The deserts of the world are not all covered with sanD. Many of them have surfaces of rock or clay or small stones. They are not flat, either. They often have high hills and deep valleys. There is some plants’ life in many parts of the desert. There is little rain in the desert, but it does fall often enough for most plants. The deserts of the world are not uninhabited(not lived by people). People also live outside oases(绿洲), but these people are not farmers. They have camels, goats, donkeys, sheep, etC. These animals can live on the desert plants and do not need much water. The people of the desert have to move constantly from place to place, they must always look for grass or desert plants for their animals. They usually live in tents. When there is no more food for their animals, they fold up their tents, pat them on their camels and donkeys, and move to another placE. In good years, when there is enough food for their animals, they trade their skins and their goats and camel hairs with the people of oases for wheat and fruit. But in bad years, when there is not enough food for their animals, the people of the desert would attack the oases peoplE. But they are also hospitable, no man in the desert would ever refuse to give a stranger food and water. 46. according to the passage, deserts are mostly made up of _______. A. clay B. rock C. sand D. stones 47. The underlined word “hospitable” has the meaning of being _______. A. brave B. cruel C. strange D. kind 48. In the desert _______. A. it rains in spring only B. it rains for a short time every month C. there is some rain, but far from enough D. the rainfall is just enough for the plants 49. People live _______. A. only inside the oases B. only outside the oases C. both inside and outside the oases D. in places with regular rainfalls 50. From the passage we know that life _______. A. is hard in desertsB. is happy in desertsC. is impossible in deserts D. in deserts in much better

Controllingtrafficisacomplexandhighcostprobleminmanydevelopedcountries.Itbecomesmoredifficultandcostlywiththeever-increasingnumberofcarsontheroads.ButscientistsandstudentsattheCATTattheUniversityofMarylandareworkingtosolvethisproblem.Theyareusingsimulation模拟technologiestohelpgovernmentandprivatebusinesscontrolandreacttochangingtrafficconditions.TheonlineeconomicsmagazineForbes.comsaystrafficcongestion拥挤costAmericans$124billionin2014andthatnumbercouldriseto$186billionby2030.ButscientistsattheCATTlabaretryingtoreducethosecosts.Theyaredevelopingasystemthathelpstrafficmanagersplannersemergencyworkersandbusinessesplanandreactbetter.MichaelPackisCATTdirector.Hesaysthesystemisimportanttohelpemergencyworkersorfirstresponders.reachanaccidentareafaster.TheCATTLabcollectsinformationfrommanysourcesincludingroadsidedevicesGPSglobalpositioningsystemequipmentandwirelessphones.About60studentsand30softwaredevelopersobservetrafficflowandmanagethecomputerserversatalltimes.TheyalsoworktodevelopsoftwareandapplicationsthatcanhelptrafficrunsmootherandsaferSomeofthemturntheinformationgatheredintoso-calledvisualizations.Thesevisualrepresentationshelpemergencyworkersbetterunderstandwhatishappening.ThecentersharesitsfindingswithfirefighterspolicE.Transportationdepartmentsandthemilitary.Theyalsoshareinformationwithuniversitiesandtransportationcompany.ThetechnologycompanyGoogleusesthedataforitstraffic-relatedwebsites.MichaelPacksaystheinformationisthensharedwithanyonewhowantstohelptrafficrunmoresmoothly.Mr.PacksaysthegoalistohelpdevelopanintelligentsystemofroadsignalsthatwillcommunicatewitheachotherandwithvehiclesontheroaD.12.ThesecondparagraphiswrittentoA.attractmorepeopletolookthroughForbes.com.B.tellreaderswhatForbes.comsaysonitswebsiteC.showhowmuchmoneycontrollingcostsAmericaD.proveitisveryexpensiveforsomedevelopedcountriestocontroltraffic13.WhatbenefitcanemergencyworkersgetfromthesystemdevelopedbytheCATTlab?A.Theycanbesafer.B.Theycanreachanaccidentareafaster.C.TheycangetmoreadvicefrompeoplE.D.Theycansharetheirinformationwithothers.14.WhichofthefollowingisNOTtrueaboutthedevelopersandthestudentsattheCATT?A.Theyobservetrafficflowcontinuously.B.Theydevelopsoftwareandapplications.C.Theycontrolthecomputerserversoccasionally.D.TheychangetheinformationgatheredintovisualimagE.15.Inwhichcolumnofthenewspapercanyoureadthistext?A.DailylifE.B.SciencE.C.Education.D.Exploration

Laptop便携式computersarepopularallovertheworlD.Peopleusethemontrainsandairplanesinairportsandhotels.TheselaptopsconnectpeopletotheirworkplacE.IntheUnitedStatestodaylaptopsalsoconnectstudentstotheirclassrooms.WestlakeCollegeinVirginiawillstartalaptopcomputerprogramthatallowsstudentstodoschoolworkanywheretheywant.Withinfiveyearseachofthe1.500studentsatthecollegewillreceivealaptop.Thelaptopsarepartofa$10millioncomputerprogramatWestlakea110-year-oldcollegE.ThestudentswithlaptopswillalsohaveaccesstotheInternet.Inaddition.theywillbeabletousee-mailtospeakwiththeirteacherstheirclassmatesandtheirfamilies.Howeverthemostimportantpartofthelaptopprogramisthatstudentswillbeabletousecomputerswithoutgoingtocomputerlabs.Theycanworkwithitathomeinafast–foodrestaurantorunderthetrees—anywhereatall!AtWestlakeCollegemorethan60percentofthestaffusecomputers.Thelaptopswillallowallteacherstousecomputersintheirlessons.AsoneWestlaketeachersaidHereweareinthemiddleofVirginiaandwe’regivingstudentsawindowontheworlD.Theycanseeeverythinganddoeverything.75.Whyisthewordspeakinthesecondparagraphinquotationmarks引号?A.Theydon’treallytalkB.TheyusethecomputerlanguagE.C.laptopshavespeakers.D.Noneoftheabovereasonsiscorrect.76.WhichofthefollowingistrueaboutWestlakeCollege?A.Allteachersusecomputers.B.1.500studentshavelaptops.C.ItisanoldcollegeinAmericA.D.Studentstherecandoeverything.77.Awindowontheworldinthelastparagraphmeansthatstudentscan______-.A.attendlecturesoninformationtechnologyB.travelaroundtheworldC.getinformationfromaroundtheworldD.havefreelaptops

TheruinsofMooreOklahomaatowndestructedforthefourthtimein14yearsbyamajortornado龙卷风areareminderthatcurrentbuildingcodes规范can’tdomuchtopreventpropertydestructionandlossoflifeespeciallywhenapowerfultornadocutsthroughtown.Butthetotaldeathnumbercanbereducedwhenpeopletakeshelterinundergroundstormbunkers碉堡andhardenedsaferooms.ThetornadothatcarvedapathofdestructionthroughMooretook24lives.Itswindswereclockedat400kilometersperhour.Withonly15minutes’warningresidentsfledtownortookrefuge避难inthefirmestcornersoftheirhomes.Theluckiestwereabletoclimbintosheltersormovetosaferooms.InMoorethoseroomssavedlives.ButattwoschoolsdestroyedbyMonday'stornadonosuchshelterwasavailablE.LeslieChapmanHendersonisCEOofanon-profitgroupcalledtheFederalAllianceforSafeHomes.She'sanadvocatefortornadosaferooms.Thesaferoomisaninterior内部roomofthehomethathasbeenreinforced加固andtestedtowithstandhighwinD.Infactwe’vealreadyheardofstoriesofsurvivalofpeoplewhowereinsaferoomseitheraboveorbelowgroundshesaiD.Betterstormforecastsgivepeoplemoretimetoreact.Buttheyneedsomeplacesafetogo.BuildingscanbebuilttoresiststrongwindsbutnotlikethoseintheF-5tornadothattoucheddowninMoorE.ChapmanHendersonsayseventhebuildingcodesthatdoexistarenotwidelyadoptedorenforceD.AsitsresidentspreparetorebuildMoore’smayorispushingforanordertomakesaferoomscompulsoryinallnewconstruction.SimilarproposalsweremadefollowingeachoftheprevioustornadostrikesbutnonewereadopteD.25.AccordingtoChapmanHendersonwhichofthefollowingdoessheprobablyagreewith?A.Buildingcodesmakeadifferenceinpreventingpropertydestruction.B.IfpeopletakeshelterinsaferoomsnobodywilldiE.C.Itisurgenttobuildtornadosaferooms.D.SaferoomscanbebuiltonlyundergrounD.26.Whatcanweinferfromthetext?A.Moorehasgonethroughtornado4timesintotal.B.ChapmanHendersonisMoore’smayor.C.Monday'stornadotook24livesattwoschools.D.TheMoore’sproposalmightnotbeapproveD.27.Theunderlinedwordwithstandinparagraph4probablymeans________.A.opposeB.resistC.preventD.defeat

Areyouaforgetfulperson?YoumightbeabletoblameyourgenesanewstudyinthejournalNeuroscienceLetterssuggests.ResearchersfromtheUniversityofBonnhaveidentifiedavariant变种ontheDRD2genethatseemstobeassociatedwithincreasedforgetfulness.EveryonehasoneoftwovariantsoftheDRD2genE.Thedifferenceisjustoneletterinthegeneticcode:SomepeoplehavethecytosineC.variantwhileothershavethethymineTvariant.Theresearcherswantedtoseehowhavingonevariantoveranotherwasassociatedwithforgetfulness.TotestthistheyanalyzedtheDRD2geneof500studyparticipantsandalsohadtheparticipantsanswersurveysabouttheirforgetfulnesssuchashowoftentheymisplacedtheirkeysorforgotnames.Mostofthestudyparticipants—threequartersofthem—hadthethyminegenevariantwhiletheotherquarterhadthecytosinegenevariant.ResearchersfoundanassociationbetweenmoreforgetfulnessproblemsandhavingthethyminegenevariantofDRD2.Meanwhilethecytosinegenevariantseemedtohaveaprotectiveeffectagainstforgetfulness.Howevertherearethingsyoucandotocompensateforforgetfulness:writingyourselfnotesorputtingyourkeysdowninaspecificlocation—andnotjustanywherestudyresearcherDr.SebastianMarkettoftheUniversityofBonnsaidinastatement.Researchhasalsosuggestedthatsomeagegroupsaremoreforgetfulthanothers.A.recentnationalsurveyshowedthatmillennialswhowerebornbetweentheearly1980sandtheearly2000sareactuallymorelikelythanseniorstobeabsent-mindedwiththingslikewhatdayoftheweekitiswheretheyputtheirkeysandrememberingtobringtheirlunch.MeanwhileanotherstudyrecentlypublishedinthejournalBMCPsychologyshowedthatmenaremorelikelythanwomentoexperienceminormemoryproblems.32.WhatdoweknowabouttheDRD2gene?A.Ithastwosimilarvariants.B.Somepeopledon’thaveit.C.Itisbadforpeople’smemory.D.Everyonehasoneofitsvariants.33.Wecaninferfromthestudythat_____.A.mostpeoplehavetheC.genevariantB.about75%ofthestudyparticipantsareforgetfulC.peoplewiththeC.genevariantaremoreforgetfulD.theTgenevarianthelpsimprovepeople’smemory34.WhichofthefollowingisTRUEaccordingtothetext?A.Maleshaveabettermemorythanfemales.B.Seniorshaveapoorermemorythanyouth.C.Forgetfulnesshassomethingtodowithgenes.D.Forgetfulnesshasnothingtodowithhabits.35.Whichsectionofanewspaperisthetextmostprobablytakenfrom?A.Health.B.NaturE.C.PeoplE.D.SciencE.

Innatureyoumayseemanyinsects昆虫andanimalsofdifferentcolors.Haveyoueverwonderedwhy?Locustsaresuperdeliciousfoodforbirdsbutitisnotalwaysaneasyjobforbirdstocatchthem.Itisneitherbecauselocustsaregoodjumpersorrunnersnorbecausetheyaresmarterthantheirenemies.Thereasonisthatthecolorsoflocustschangewiththecolorsofcrops庄稼.Whencropsareyounglocustslookgreen.Butwhenautumncomeslocustschangetotheyellowandbrowncolorascropsdo.Butterfliesandbeeslivingamongtheflowersarecolorfullikeflowers.Brownbearstigersandotheranimalsmovequietlythroughforests.Theycan’tbeseeneasilybytheirgame.Thisisbecausetheyhavecolorssimilartothetrees.ForthesamereasonpolarbearsthatliveonalandofsnowandicearewhitE.Haveyouevernoticedsomeevenstrangeracts?Theinkfishintheseacansendoutsomeveryblackinkwhenitfacesdanger.AstheinkspreadsoveritsenemieswillfindthemselvessuddenlyinadarkworlD.Atthesametimetheinkfishimmediatelyswimsaway.Thatishowitkeepsitselfsafethoughitisnotstrongatall.36.Birdscan’tcatchlocustseasilybecause____________.A.locustscanflyB.locustscanjumpveryhighC.locustsaresmarterthanbirdsD.thecolorsoflocustsaresimilartothecrops37.Brownbears.A.arebrownB.canchangetheircolorintowhiteC.liveonalandofsnowandiceD.eatcolorfulinsectslikebutterfliesandbees38.What’sthemeaningoftheunderlinedwordgameinthepassage?A.游戏B.比赛C.敌人D.猎物39.Theinkfish_______sothatitsenemieswillnotseeit.A.changesitscolorB.sendsoutsomeveryblackinkC.appearsonlyatnightD.hidesitselfinthesearocks40.Whatisthemainideaofthispassage?A.Someinsectsandanimalshavedifferentskills.B.Someinsectsandanimalsarecleverthanwethink.C.Someinsectsandanimalsusecolorstoprotectthemselves.D.Someinsectsandanimalscangetusedtotheenvironmenteasily.

HaveyoueverwonderedwhatyouwouldlooklikeifyouwereanAsianMiddleEasternblackwhiteorIndianperson?BysteppingintotheHumanRaceMachineyoucanfindout.Whenyousitinsideitthemachinecreatesadigitalimage数字影像ofyourface.Afterpushingcertainbuttonsthemachineusesvariousphotosofpeopleofacertainethnicgroupmixedwithyourownfacialfeatures.Fromthisitcancomeupwithanimageshowinghowyouwouldlookasamemberofadifferentrace.Themachineispartofatravelingretrospective回顾展calledSeeingandBelieving:TheArtofNancyBurson.BursonisafamousAmericanphotographerandinventor.Theshowof100photosandmultimediaworkswasonviewattheGreyArtGalleryinNewYorkonApril20.Itisastrangefeelingjustlikesteppingintosomeoneelse’sskin.SaidHathyZajchenkoamuseumvisitorfromPennsylvaniaUS.Assoonasshesatdownshetriedoutarangeofethnicgroups.TheMiddleEasternimageworkedprettywellformeshesaidwithasmile.AccordingtoBursonthemachineisaprayerforunity.Itisaboutseeingthroughdifferencestofindthethingsweallshareincommon.Bursonaddedthedatabase资料库ofMiddleEasternfacesbothArabandJewishaftertheterroristattacks__onSeptember11.Ihavealwayswantedtoallowpeopletoseedifferently.Iamaphotographer.IamrecordingtheunseenbecausewhatwecannotseeissomuchmoreinterestingthanwhatwecanseeBursonsaid.ForthosewhomissedtheshowtheHumanRacemachinewillbeonviewattheNewYorkHallofScienceintheQueensdistrictfull-timeasofJune.28.TheHumanRaceMachinecan____.A.letpeoplestepintosomeoneelse’sskinB.createadigitalimageofyourfaceandchangeitC.turnyourprayintorealityD.tellyouwhatyouwouldlooklikeifyouwereamemberofanotherethnicgroup29.Thephrasecomeupwithinthefirstparagraphmeans____.A.produceB.getnearerC.comeoutD.change30.ThesentenceThemachineisaprayforunitymeans_____.A.theHumanRacemachinecanunitethefacialfeatherofadifferentethnicgroupwithyourownB.onecanpraybeforethemachineC.themachineshowsthatnomatterwhatracepeoplearetherearesomethingsweallhaveincommonD.ifyouwantthemachinecanchangeyourface31.BursonaddedthedatabaseofMiddleEasternfacesaftertheSeptember11attackbecause____.A.shewantedtoshowpeoplewhatterroristslooklikeB.shewantedtoletpeopleseetheforeignpeopleC.shewantedtobefamousasaphotographerD.shewantedtorecordwhatpeoplecannotsee

BasedonnewanalysiswearerapidlyapproachingmajorclimatechangeandtheeffectsonsocietyandtheenvironmentcouldbequiteseverE.Geographerspredictthatwithinthenexteightyyearscurrentworldclimatezonescouldshiftandsomecouldcompletelydisappear.Polarregionswillgetcolderwhiletropicalregionswillgetevenhotterforcinganimalstomigrate迁徙north.Climatechangeslikethesecouldleadtothespreadofdiseases.TropicalstormsandhurricaneswillnotonlyincreasebutmayalsobecomemoreintensE.Ifthechangescometooquicklyanimalandplantspeciesmaynotbeabletoadaptfastenoughandcoulddisappear.AccordingtoScienceDailyanewstudypredictsthatbytheyear2100manyoftoday’sfamiliarclimateswillbereplacedbyclimatesunknownintoday’sworlD.Itisurgentthatwereducetherisksofthesefar-reachingconsequencesforthewholeworlD.TheplanetitselfhasbeenshowingsignsofchangE.In2004aserioustsunamicreatedbyamajorearthquakekilledthousandsinSumatraandin2008thousandsdiedinChinabecauseofanothersevereearthquakE.Egyptwashitin2009withamajorearthquakeandHaitiwasdevastatedin2010byyetanothermassiveearthquakE.Withinjustthelastfewmonthsnewreportsfromaroundtheworldhavebeencominginandmostagreethatourclimatesituationismuchworsethanpreviouslythought.Atthispointitdoesn’tmatterwhatiscausingitbutratherwhatcanbedoneaboutit.What’smoreourworldisgettingmoreandmoreunstableeveryyear.ThereiswarandthreatofwareverywherE.Naturaldisastersarebecomingmorefrequentandserious.Howeverotherplanetsareexperiencingglobalwarmingaswellasourownandsomescientistsbelievetheremaybesomeconnectionbetweenthis.NooneknowsanythingforsureatthispointbecausethereissimplynotenoughdatA.28.Whatisthemajorfunctionofparagraph1?A.Toarousethereader’sconcern.B.TointroducethethemeofthewholepassagE.C.TosummarizethewholepassagE.D.Tostatehowclimatechanges.29.Whatistheauthor’spurposeinusingtheexamplesofearthquakes?A.Toshowmajorchangesaretakingplaceontheplanet.B.Toremindpeopletopreventfutureearthquakes.C.ToshowthedamageearthquakescauseD.D.TotellusmoreearthquakeswillhappeninthefuturE.30.WhichofthefollowingisNOTtrueofclimatechanges’effects?A.Animalandplantspeciesmaynotbeabletoadaptfastenoughandcoulddisappear.B.Itcouldleadtothespreadofdiseases.C.Currentworldclimatezonescouldshiftandcompletelydisappear.D.Naturaldisastersarebecomingmorefrequentandserious.31.WhatcanbeinferredfromthePassage?A.Animalsandplantswon’tdieoutaslongasclimatechangesslowly.B.There’senoughdataforustopredictthefutureofclimatechangE.C.Theworldisgettingmoreunstablebecauseofanimalmigration.D.TheearthisnottheonlyplanetthatisexperiencingclimatechangE.

Aseverycomputerownerknowswhentheirmachinesrunacomplexprogramtheygetprettyhot.Infactcoolingtheprocessorscanbeexpensiveespeciallywhenyou'redealingwithhugebanksofcomputerservers.Butwhatifthatenergycouldheatprivatehomes?A.Dutchenergyfirmaimstodojustthat.DatacentersoflargeInternetfirmssuchasGoogleAppleMicrosoftandotherscontainthousandsofcomputerservers.AstheyprocessinformationtheygenerateenormousamountsofheatrequiringcoolingtowersthatdissipateitintotheatmospherE.ADutchfirmthinkspayingforelectricitytoruntheserversandthenpayingagaintocoolthemisawasteofenergy.BoazLeupeCEOofthestart-upNerdalizesaysit’sactuallyquitesimplE.Wedon'tactuallyhavetobuildthedatacenterwhichsavesalotofcostsininfrastructureandwedon'thavethecoolingoverheadplusthatyouhavetheenvironmentalbenefitthatthekilowatthouryouareusingisusedtwiceoncetoheatthehomeandoncetocomputetheclientstaskwithoutthecoolingoverheadsaysLeupE.Thecompanydevelopedwhatitcallsane-RadiatoracomputerserverthatalsoworksasanalternativeheatingsourcE.LeupesaysthatfiveDutchhomeownersareexperimentallyusingthemintheirhomes.Wereimbursetheelectricitytheserverusesandthatwecandobecauseofthecomputerclientsontheothersideandinthatwayhomeownersactuallygetheatingforfreeandcomputerusersdon'thavetopayfortheoverheadofthedatacentersaysLeupE.Oneoftheparticipantsintheyear-longexperimentJanVissersaystheamountofheatproducedbye-Radiatordependsontheworkbeingdonebytheserver’sprocessorssoitcannotbeusedastheprimarysourcE.Butheisreadytotryit.Ifitgivesgoodenoughwarmthyoucanuselessofyourexistingcentralheatingandthereisthechanceforahomeownertopaylessbills.Nerdalizesayse-Radiatorsgeneratetemperatureofupto55degreesCelsiusandcouldsaveupto$440inannualheatingcosts.43.WhichoneistrueaccordingtothepassageA.Itisexpensivetodealwithhugebanksofcomputerservers.B.ADutchenergyfirmattemptedtoheatprivatehomes.C.Computerserversgeneratelargequantitiesofheat.D.Thecoolingtowerisawasteofenergy.44.Theunderlinedphraseoverheadinthethirdparagraphprobablymeans______.A.dailycostB.fixtureC.foreheadD.method45.WhatisNOTtrueaboute-Radiatoraccordingtothepassage?A.ItisacomputerserverusedasanalternativeheatingsourcE.B.Ithasbeenlaunchedontothemarket.C.Itisenvironmentallyfriendly.D.Itcansaveusers’money.46.Whichofthefollowingcanbethebesttitleforthepassage?A.ANewKindofDataServersB.DataServersCouldHeatPrivateHomesC.HowtoHeatthePrivateHomeswithComputersD.AnAlternativeHeatingSource

Thefirstrobotswereinventedinthe1920s.RobotshaveappearedinHollywoodsuchasRobocopandtheTerminator.TherobotsinthesefilmsarestrongerfasterandmoreintelligentthanpeoplE.Inrealliferobotsaremainlyusedinfactories.Theydomanydifferentjobs.Usuallythesejobsaretoodangerousdifficultorboringforhumans.Robotsalsohelpdisabledpeopleandpeoplewhocannotlookafterthemselves.ForexamplescientistsaremakingarobottohelpblindpeoplE.Nowadaysmanyblindpeoplehaveadogtohelpthem.Thisdogiscalledaguidedog.Inthefutureguidedogsmightberobotdogs.OnerobotguidedogiscalledMeldog.Ithaswheels.Itwalksinfrontofitsowner.Itisveryclever.Itknowsthespeedofitsowner'swalk.Meldogtalkstoitsownerbyradio.Theownerwearsaspecialbelt.ThisbeltsendsinstructionsfromtheownertoMeldogsuchasStophereTurnleftandTurnright.IntheUnitedStatesanothertypeofrobothelpsdisabledworkers.ThisrobotcalledKilroyhelpsdisabledcomputeroperators.Therobothearsthesoundofitsowner'svoicE.ItfollowsinstructionssuchasTurnthepageandMakeacupofcoffee.Thisrobotwillbringitsownerapapertissuewhenheorshesneezes!RobotsarealsousedinAmericanhospitals.Theycandosimplejobs.Forexampletheyshavepatientsandbrushtheirteeth.AtonehospitalarobotwiththenicknameRoscoetakesmealsfromthekitchentopatients'rooms.Roscoenevergetslostbecausethisrobothasamapofthehospitalinitscomputermemory.Robotswillneverreplacehumans.Theycanhoweverhelppeopleinmanydifferentways.36.Somerobotsinreallifeare_________.A.dangerousB.boringC.filmstarsD.factoryworkers37.Somedisabledpeopleneedhelpto_________.A.makerobotsB.becomescientistsC.lookafterthemselvesD.dodangerousjobs38.Meldogisa_________.A.blinddogB.robotscientistC.realdogD.robotguidedog39.Kilroyhelpsdisabledcomputeroperators.Thisrobotcan_________.A.speaktoitsownerB.giveinstructionsC.readbooksD.makecupsofcoffee

Cheaterscalledpiratesoftenusecamcorders便携式摄像机andcellphonestomakeillegalcopiesofblockbusters大片inthelocaltheater.ThesepiratesthensellthoserecordingsonthestreetorovertheInternetforverylowprices.SomesharethemforfreE.It’sunfairforpeopletopiratemoviessays15-year-oldHadaiaAzadEzzulddin.Moviepiracytakesmoneyoutofthepocketsofthousandsofpeopleinthemovieindustryshenotes.Victimsincludefamousactorsanddirectorsaswellaslocaltheaterownersandtheiremployees.Hadaiacameupwithanideathatcouldhelpstopmoviepiracy.Hadaia’sideausesinfrared红外线的light.ThisrangeoflightisinvisibletothehumaneyE.Itisvisiblehowevertomanytypesofcameras.Theaterownerscouldplacesmallinfraredlightsontheirmoviescreens.ThelightswouldnotdisturbpeoplewatchingthemoviE.Itwouldhoweverdistorttherecordingsmadebymanytypesofcameras.TotestherideaHadaiabuiltaboxwithamoviescreeninsidE.Thensheprojectedimagesonthatscreenthroughaholeinthebox.Shetookrecordingsofthoseimagesusingninedifferenttypesofcameras.Theseincludedthetypesfoundincellphonesaswellascamcorders.Duringsometestsshealsoturnedonlightemittingdiodes发光二极管orLEDs.TheLEDswereembedded植入的inacertainplacebehindthemoviescreen.Theygaveoutinfraredlight.SureenoughsheshowedapiratedmovieincludedoddstripesorspotsifithadbeenrecordedwhiletheLEDswereon.ItmightbepossibletousetheLEDstoflashthedateandtimeonthemoviescreen.Theinformationwouldthenappearintheillegalrecordings.Theaterownersorpolicemightusetheinformationtotrackdownthepirates.Cuttingdownonpiracymightgetmorepeopleintotheaterstowatchtherealmovieinsteadofanillegalcopy.Sixoutofeverytenfilmsnowproducedaren’tprofitablE.Theydon’tmakeenoughmoneytorecoverhowmuchwasspenttomakeandmarketthem.Suchapoorpaybackcandiscouragefilmmakersfromproducinganythingbutthetypesexpectedtobecomeblockbusterhits.Itmightalsokeepsmallertheatersfromshowingawidervarietyofmovietypes.32.FromwhatHadaiasaysinParagraph2wecaninferthat_______.A.shestronglycriticizesthosewhovideomoviesinthetheaterB.thepiratesdon’thavetopayforthemovieticketsC.theaterownerswillincreasethepriceofmovieticketsD.mostpeoplespendlessmoneyonpiratesmoves33.Infraredlightsareputonthemoviescreensto_______.A.adjustthebrightnessofthemoviescreensB.makesuretheimagesofmoviesaredarkC.makeillegalcopiesofmoviesunpleasanttoseeD.protecttheeyesightofviewersinthedarkness34.WhatisthecorrectorderofthestepsinHadaia’stest?A.Sheprojectedpicturesonthescreen.B.Sheusedcamerastorecordthepictures.C.SheturnedontheLEDsplacedbehindthescreen.D.ShemadeaspecialboxwithamoviescreeninsidE.A.bacdB.bcadC.dbacD.dcab35.Accordingtothelastparagraphwecanknowthat_______.A.smalltheatersoftenchoosetoshowlow-costmoviesB.fortypercentofmoviesnowareprofitableC.moreandmorepeoplegototheaterstofightmoviepiracyD.filmmakersprefertoproduceordinarymoviesthanblockbusters

Therearethousandsofproductsofallcolorsandshapesinasupermarketmakingyoubelievethattheyareworthatry.How?Packaging包装isthesilentbutpersuadingsalesman.ThereontheshelveseachbottlecanboxandjarhasbeencarefullydesignedandmeasuredtospeaktotheinnerselfoftheconsumersothatheisbuyingnotonlyaproductbutalsohisbeliefinlifE.ScientistshavestudiedconsumerbehaviorrecentlyandfoundthatthelookofthepackagehasagreateffectonthequalityoftheproductandonhowwellitsellsbecauseConsumersgenerallycannottellbetweenaproductanditspackagE.ManyproductsarepackagesandmanypackagesareproductsasLouisCheskinthefirstsocialscientiststudyingconsumers’feelingforpackagingnoticeD.Colorsareoneofthebesttoolsinpackaging.Studiesofeyemovementhaveshownthatcolorsdrawhumanattentionquickly.TakeV8forexamplE.Formanyyearsthebrightredcoloroftomatoesandcarrotsonthethinbottlemakesyoufeelthatitisverygoodforyourbody.Andthewordgreentodaycankeepfoodpricesgoingup.Shapesareanotherattraction.Circlesoftensuggesthappinessandpeacefulnessbecausetheseshapesarepleasingtoboththeeyeandtheheart.That’swhytheroundyellowMsignsofMcDonald’sareinvitingtobothyoungandolD.Thisnewconsumerresponsetothecolorsandshapesofpackagesremindsproducersandsellersthatpeoplebuytosatisfybothbodyandsoul.73.Accordingtothepassage________seemstobeabletopersuadeaconsumertobuytheproduct.A.thepleasingcolorofthepackageB.thespecialtasteoftheproductC.thestrangeshapeofthepackageD.thebeliefintheproduct74.Ifapackageoraproductisroundinshapeitcan________.A.bringexcitementtotheconsumersB.attracttheconsumers’attentionC.catchtheeyemovementoftheconsumersD.produceahappyandpeacefulfeeling75.Andtheword‘green’todaycankeepfoodpricesgoingup.Thissentencesuggeststhatconsu-merstodayare________.A.startingtonoticetheimportanceofnewfoodB.enjoyingthebeautyofnaturemorethanbeforeC.beginningtolikegreenvegetablesD.payingmoreattentiontotheirhealth76.ItcanbeinferredfromthepassagethatV8isakindof________.A.vegetabledishB.healthyjuiceC.iceddrinkD.redvegetable

Theearthworm蚯蚓isausefulanimal.Itmakesthesoilricherforfieldsandgardens.Takenoutofthegrounditisgoodfoodformanyotheranimals.Earthwormsdigtunnelstomakethesoillooseandinthiskindofsoilairandwatercanreachtherootsofplantseasily.Theydragnotonlydeadleavesbutalsograssflowersandothersuchthingsintotheirholes.Thisplantmaterialsoonrotsanddisappears.Thishelpstomakethesoilmorefertile肥沃.Nootheranimalissousefulinbuildingupgoodtopsoil表土.Onewormmayaddaboutthreequartersofapoundofearthtothetopsoilinoneyear.FiftythousandwormscarrysomeeighteentonsofsoiltothesurfaceinthesametimE.9.Thisarticlemainlysaysearthworms________.A.aregoodfoodformanyotheranimalsB.arethemostusefulanimalstobuildupthetopsoilC.liveonplantmaterialD.areusefulanimalsandknowhowtohelpfarmers10.Earthwormslive________.A.inwaterB.intopsoilC.infieldsandgardensD.undertheground11.Theearthwormshelpto________bydiggingtunnels.A.rotleavesgrassandflowersB.makesoillooserthanbeforeC.storemorefoodD.carrywaterandairtotherootsofplants12.Theplantsmaterialcarriedundergroundbyearthwormsmadesoil________.A.wetB.dryC.looserD.morefertile13.Oneearthwormmaybring____finetopsoiltothesurfaceinoneyear.A.aquarterofapoundB.threequartersofapoundC.threepoundsD.eighteenpounds

Arobotthatcanreademotionshasbeenunveiled公布于众的inJapanbybillionaireMasayoshiSonwhosaysrobotsshouldbetenderandmakepeoplesmile.Son’smobilephonecompanySoftBanksaysthattherobotnamedPepperwillgoonsaleinJapaninFebruaryfor198000yenUS$l900.Overseassalesplansareunderconsiderationbutundecided.ThemachinewhichhasnolegsbuthasgentlygesturinghandsappearedonastageinaTokyosuburbcooingandhumming.ItdramaticallytouchedhandswithSoninanETmoment.SonsaidPepperhasbeenprogrammedtoreadtheemotionsofpeoplearounditbyrecognizingexpressionsandvoicetones.Ouraimistodevelopaffectionaterobotsthatcanmakepeoplesmilehesaid.The121-centimeter-tall28-kilogramwhitePepperwhichhasnohairbuttwolargedoll-1ikeeyesandaflat-paneldisplaystuckonitschest.Besidesfeaturingthelatestvoicerecognition.Pepperisloadedwithmorethanadozensensors传感器includingtwotouchsensorsinitshandsthreetouchsensorsonitsheadandsixlasersensorsandthreesensorsinitsbase.ButapresentationyesterdayinTokyohighlightedtherobot’sshortcomingsasmuchasitscharm.Pepperwasmorefluentwithitsownchatter交谈suchasaskingDoyoudoTwitter?orIsthisthefirsttimeyoueverspoketoarobot?Butitwouldnotreallywaitforananswergoingontothenexttopic.ManyotherJapanesecompaniesincludingHitachiandToyotaMotorCorphavealsodevelopedvariousrobotsthatentertainandserveascompanions.Thepotentialisgreatasthenumberofelderlypeoplerequiringcareisexpectedtosoar剧增inrapidlyagingJapanincomingyears.BrunoMaisonnierfounderandchiefexecutivewhoappearedonthestagewithSonsaidIbelievethatthemostimportantroleofrobotswillbeaskindandemotionalcompanionstoimproveourdailylivestobringhappinessandconstantlysurpriseus.32.Whichisthemostimportantfeatureoftherobot?A.Surprisingandhappy.B.Tenderandsmiling.C.Effectiveandsmart.D.Gentleandcaring.33.Whatdoweknowabouttheequipmentofpepper?A.Ithasaflat-panelonthehead.B.Ithasmorethanadozentouchsensors.C.Ithasthebestvoicerecognition.D.Itcanonlyreadvoicetones.34.WhatcanweinferaccordingtoParagraph7?A.MostJapanesecompaniesproducerobots.B.TherewillbelessagingpeopleinthenearfutureofJapan.C.Robotscanhelppeopletostartacompany.D.TherewillbemorerobotsinthefutureofJapan.35.Whatcanwelearnaboutthefuturedevelopmentofrobots?A.Itwillfocusmoreonmentallycaringhuman.B.Wecancommunicatewithitmainlybytouching.C.Itwillhavenodisadvantages.D.ItwillbetallandhasnohairlikeanET.

Nowscientistshavediscoveredthefirstevidence证据thattheanimalsactuallybehaveliketheirmasters.Justlikechildrentheyusealookandlearnwaywhichmeanstheycanmimic模仿human’sactionswhengoingabouttheirtasks.BiologistsandpsychologistsattheuniversitiesofViennaandOxforddesignedanexperimenttotestthetheory理论thatdogsdohavetheabilitytocopywhattheyseeusingasimplewoodenbox.Inthestudytenownersshowedtheirdogshowtoopenthewoodenboxsometimesusingtheirheadstopushahandleandsometimesusingtheirhands.Inthefirstpartofthetestfivedogswererewardedwithapieceofsausageforcopyingtheirowners’actions.Theotherfivewererewardedwithfoodfornotcopyingandusingothermethods.Witheachdogtheexperimentwasrepeatedhundredsoftimesandthetimetakenforadogtogetitrighton85percentofattempts尝试17goesoutof20wasrecordeD.Thedogsthatwereencouragedtomirrortheirownersreachedthispointalmostthreetimessooneronaveragethanthoserewardedfornotcopyingthem.InthesecondpartofthetestallthedogswereonlyrewardedforcopyingthemethodtheirownersuseD.Thefivedogspreviously先前rewardedforcopyingtheirownersreachedthe85percentmarkmorethantwiceastheotherfivE.InapaperpublishedinProceedingoftheRoyalSocietytheyconcludedLikehumansdogscan’thelpimitatingactionstheyseE.GoingfurthertheysaidTheresultssuggesttheimitative模仿的behaviorofdogsisshapedmorebytheirdevelopmentalinteractionswithhumansthanbytheirevolutionary进化的historyofdomestication驯化.CarolineKiskofromtheKennelclubsaidAdog’sbehaviorisinfluencedmuchlikethatofachildlearningrightfromwrongandusingsimilarpatternsofbehavior.Wehopethatownersunderstandtheimportanceoftheiractionsandusethisknowledgetosetgoodexamplesandthereforepositivelyinfluencethebehavioroftheirpets.5.What’sthebesttitleofthepassage?A.DogsAreIntelligentAnimals.B.DogsArelikeChildrenMost.C.DogsBehavelikeTheirMasters.D.DogsCanCompleteSimpleTasks.6.Theresearchersbelievedogs’imitativebehaviorcomesmainlyfrom______.A.human-doginteractionsB.humanrewardsC.evolutionD.domestication7.Whatcanbeinferredfromthelastparagraph?A.MastersshouldinfluencetheirdogsasearlyaspossiblE.B.A.man’sbadbehaviormayinfluencehisdog.C.Dogscan’tbeinfluencedbymeneasily.D.Dogsalwaysbehavepositively.

Welcometoyourfuturelife!Yougetupinthemorningandlookintothemirror.Yourfaceisfirmandyoung-looking.In2035medicaltechnologyisbetterthanever.Manypeopleyouragecouldlivetobe150soat40you’renotoldatall.Andyourparentsjusthadananti-aging抗衰老的treatment.Nowallthreeofyoulookthesameage!YousaytoyourshirtTurnreD.ItchangesfrombluetoreD.In2035smartclothescontainparticles粒子muchsmallerthanthecellsinyourbody.Theparticlescanbeprogrammedtochangeclothes’colororpattern.Youwalkintothekitchen.YoupickupthemilkbutavoicesaysYoushouldn'tdrinkthat!Yourfridgehasreadthechip芯片thatcontainsinformationaboutthemilkanditKnowsthemilkisolD.In2035everyarticleoffoodinthegrocerystorehassuchachip.It’stimetogotowork.In2035carsdrivethemselves.Justtellyoursmartcarwheretogo.OnthewayyoucancallafriendusingyourjacketsleevE.Suchsmarttechnologyisallaroundyou.Sowillallthesethingscometrue?FornewtechnologytosucceedsaysscientistAndrewZolliithastobesomuchbetterthatitreplaceswhatwehavealready.TheInternetisoneexamplewhatwillbethenext?60.Wecanlearnfromthetextthatinthefuture__________.A.peoplewillnevergetoldB.everyonewilllookthesameC.redwillbethemostpopularcolorD.clotheswillbeabletochangetheirpattern61.WhatcanbeinferredfromParagraph4?A.Milkwillbeharmfultohealth.B.MoredrinkswillbeavailableforsalE.C.Foodinthegrocerystorewillcarryelectronicinformation.D.Milkinthegrocerystorewillstayfreshmuchlonger.62.Whichofthefollowingismentionedinthetext?A.NothingcanreplacetheInternet.B.FridgeswillKnowwhatpeopleneeD.C.JacketsleevescanbeusedasaguidE.D.Carswillbeabletodriveautomatically.63.Whatisthetextmainlyabout?A.Foodandclothingin2035.B.FuturetechnologyineverydaylifE.C.MedicaltreatmentsofthefuturE.D.Thereasonforthesuccessofnewtechnology.

TheWinterOlympicsisalsocalledtheWhiteOlympics.Atthistimemanycolorfulstampsarepublished出版tomarkthegreatGames.ThefirststampsmarkingtheopeningcameoutonJanuary251932intheUnitedStatesforthe3rdWhiteOlympics.FromthenonpublishingstampsduringtheWhiteOlympicsbecamearulE.Duringthe4thWinterOlympicGamesagroupofstampswerepublishedinGermanyinNovember1936.ThefiveringsofOlympicsweredrawnonthefrontofthesportswear运动服.ItwasthefirsttimethattheringsappearedonthestampsoftheWhiteOlympics.Inthe1950’sthestampsofthiskindbecamemorecolorful.WhentheWhiteOlympicscamethehostcountriesaswellasthenon-hostcountriespublishedstampstomarkthoseGames.ChinaalsopublishedfourstampsinFebruary1980whentheChinesesportsmenbegantotakepartintheWhiteOlympics.JapanistheonlyAsiancountrythathaseverheldtheWhiteOlympics.Altogether14500millionstampsweresoldtoraisemoneyforthissportsmeet.Differentkindsofsportsweredrawnonthesesmallstamps.Peoplecanenjoythebeautyofthewonderfulmovementsofsomesportsmen.21.TheWhiteOlympicsandtheWinterOlympics_______.A.arenotheldinwinterB.aredifferentgamesC.arethesamethingD.areheldinsummer22.Theworldmadeitaruletopublishstampstomarkthegreatworldgames_______.A.aftertheyear1936B.afterthe3rdWhiteOlympicsC.beforethe3rdWhiteOlympicsD.beforetheyear193223.TheWinterOlympicsisheldonce_______.A.everytwoyearsB.everythreeyearsC.everyfiveyearsD.everythefourthyear24.Whichofthefollowingistrue?A.Japancan’tpublishstampstomarkthoseGamesB.Onlythenon-hostcountriescanpublishstampstomarkthoseGames.C.AllthecountriescanpublishstampstomarkthoseGames.D.OnlythehostcountriescanpublishstampstomarkthoseGames.

Withhisuniqueblackmane鬃毛andimpressivestature身材13-year-oldCecilwasapopulartouristattractionatthe3.6million-square-acreHwangeNationalPark万基国家公园inZimbabwe津巴布韦.Cecilwasheadofaprideoflionsthatincludes12cubs幼崽butthewell-knownlionwasshotandkilledinearlyJulybyAmericandentistWalterJ.Palmer.Cecil’sdeathhasalreadysparkedaninternationaloutcry强烈抗议withmanycallingforanendtohuntingendangeredanimalsandforPalmertobeextradited引渡toZimbabwetostandtrial.ProfessorDavidMacdonaldtheheadoftheOxfordUniversityresearchprogramthatmonitoredthedailymovementsofCecilanddozensofotherlionsisdeeplysaddenedbyCecil’sdeath.Macdonaldhopesthedeathcaninspirethepublictotakeaninterestinlionconservation.MacdonaldsaysmanyofthelionstrackedbytheprogramhavebeenshotandkilleD.ThebackgroundtothisstoryisthatthereisacrisisforlionsthroughoutmuchofAfricA.Hesays.Africanlionpopulationshavefallenalmost60percentoverthepastthirtydecadesandasfewas32000ofthemremaininthewildaccordingtotheInternationalFundforAnimalWelfare国际爱护动物基金会.AndastroublingasitistherarerthesehuntedanimalsbecomethemorehuntersarewillingtopaytokillthemsaidJeffFlockednthefund’sNorthAmericanregionaldirector.InadditiontoexcessivehuntinglionsthroughoutAfricaalsocontinuetofacethreatsthatincludeconflictswithlocalfarmerslossofhabitatandriskoftrafficandrailwaycollisions碰撞.28.Internationallypeople’sattitudetowardsWalterJ.Palmer’sbehavioris________.A.UnderstandableB.UnpardonableC.UnpredictableD.Uncontrollable29.AccordingtothetexthowmanyAfricanlionslivedinthewildthirtyyearsago?A.80000B.48000C.53000D.6000030.Africanlionsarefacingthefollowingthreatsexcept________.A.theirconflictswithlocalfarmers.B.thelossoftheirhabitatsC.people’sexcessivehuntingD.theincreaseinthenumberoftheirnaturalenemies31.Thebesttitleofthetextmightbe________.A.TheDeathofCecil-anAfricanLionB.TheCurrentstateofAllAfricanLionsC.TheThreatsFacingAfricanLionsD.TheAppealforanEndtoHuntingEndangeredAnimals

Whileastronautsinspacegettodomanyexcitingthingstheymissoutonordinarythingsthatwealltakeforgranted—beingabletowalkonfirmgroundhangingoutwithfamilyanddiggingintoasliceofhotsteamingpizzA.Thoughnotmuchcanbedoneaboutthefirsttwothingstheremaysoonbeasolutiontothethirdonethankstothiscool3-Dpizzaprinter!AboutayearagoNASAoffered$125000toAnjanContractora3-Dtechnologyexperttobuildadevice设备thatwouldallowastronautstomakepizzaondemanD.Themechanicalengineerpromisedthathisinventionwouldproducepiesinlargequantitiesthatlookedtastedandevensmelledlikepizzamadeincommonovens.Latelastyeartheengineerpresentedavideoofhisfirstprototype原型thatbeginsbycreatingasinglesliceofdough面团thatiscookedandprintedatthesametimE.Thencomesthetomatosauce—amixoftomatopowderoilandwaterandfinallyaproteinslicethatresemblescheesE.Whilethevideodoesn’tshowthebakingprocesstheinventorsaysthatoncethepizzaisprinteditcanbereadytobeconsumedin7seconds.WhilethepieinthevideolooksdeliciousenoughtoattractanypizzaloverAnjanContractorisfarfromreadyforastronauts.That’sbecausehestillhastofindasolutiontomakethefoodcontainerintheprinterlastfor30years.Thoughthatmaysoundunrealisticactuallyitisnot.AnjanContractorbelievesthattheonlywaythatispossibleisthatthewaterisremovedfromalltheingredients配料andthentheyarereducedtothepowderform.Thisasyoucanimaginewillnotbesoeasy.Butwhiletheprintermaynotbereadyforspaceitcertainlylooksreadyenoughforpeopleonearth.HopefullyNASAandContractorwillconsidersellingittothosenotfortunateenoughtogotoMars!17.Whydoestheauthormentionthethingsthatastronautsinspacecannotdo?A.ToaskusnottotakecommonthingsforgranteD.B.ToshowtheyliveadifficultlifetherE.C.ToshowtheirlifeisboringinspacE.D.Tointroducethetopicofthetext.18.NASAoffered$125000toAnjanContractormainlyto_______.A.createsomenewtypeof3-DprinterB.attractmorecompaniestoworkforNASAC.helpastronautsinspaceenjoyfreshpizzaonedayD.producepizzainlargequantitiestoearngreatprofits19.ThebiggestchallengethatAnjanContractorisfacedwithnowisprobablythat_______.A.hehasnomoneylefttogoonwithhisresearchB.thepizzadoesn’tseemappetizingtopizzaloversC.hehasnowaytomakepizzathatcanlastforthirtyyearsD.hecannotmakethefoodcontainerlastfordecades20.What’sthebesttitleofthepassage?A.NASAistryingitsbesttohelpastronautseatbetterB.AstronautsmaysoonbeabletoenjoysteaminghotpizzaC.NASAisworkingonmakingpizzaforcommonpeopleD.A.3-Dpizzaprinterhasbeenusedtomakepizza

ZhengPengyu:Interestisthebestteacher.Classroomsthatweren’tfixedcouldgivestudentsthechancetoexploretheirinterests.Atthesametimetheywouldbeabletolearnontheirownbecausetheywouldhavetomaketheirowndecisions.Allinallthenewsystemwouldbeagoodchancetoinspirestudents’passionforstudying.SunYao:DespiteitsbenefitsI’mworriedaboutwhetherthenewsystemwouldwork.Goingtodifferentclassroomswouldtakeupabigpartofourbreaktimeandwewouldhavelesstimetorelaxafterclass.Alsonotallschoolscouldoffersomanydiversifiedclasses.ShiZhenghan:Isupportstudentslearningindifferentclasses.Itwouldsolvetheproblemofsomestudentsthinkingtheclassesaretooeasywhilesomethinktheyaretoodifficult.Teacherscouldalsoteachmoreeffectively.What’smorefriendshipsbuiltwhileindifferentclassesmightbeapleasantsurprisE.ZhouQingqing:Inmyopinionstudyingindifferentclassroomsmightaffectstudents’psychological心理的development.Theymightfinditdifficulttodevelopdeepandstrongfriendshipswithotherstudentsiftheyhadtochangeclassroomsconstantly.Theywouldalsolosetheirsenseofbelongingtoacertainclass.HuQile:IapplaudtheideA.Itwouldhelpteacherssetupspecialteachingplansfordifferentclasses.ForstudentsmakingchoicesbythemselvescouldencouragethemtoberesponsiblE.Changingclassroomscouldalsohelprelivetheboredomofdoingthesamedullroutine惯例everyday.WangXiaoqian:Thenewsystemmighthelpwithstudents’individualdevelopmentbutIstillpreferthecurrentsystem.Studyinginonefixedclassroomstudentswithdifferentacademiclevelscanhelpeachother.SpendingyourseniormiddleschoolyearswiththesameclassmatesisanunforgettableexperiencE.32.AccordingtoSunYaowhichofthefollowingsentencesisTRUE?A.Thenewsystemwillworkifgreatmeasuresaretaken.B.Alltheschoolscan’taffordsomanydiversifiedclasses.C.Studentswillhavemoretimetorelax.D.Hesupportsthesystembecauseofitsbenefits.33.Amongthefollowingpeoplewhoprefersthenewsystem?A.SunYaoB.HuQileC.ZhouQingqingD.WangXiaoqian34.Whatisthepassageabout?A.Schoolsshouldofferdiversifiedclassestostudents.B.Studentsfinditdifficulttodevelopfriendship.C.Differentopinionsaboutchangingclassroom.D.Changingclassroomcanhelpwithstudents’individualdevelopment.35.Whichofthefollowingcanbestreplacethewordapplaudinparagraph5?A.hateB.opposeC.favorD.benefit

Doyouknowhowtoprepareforandsurviveamajorearthquake?AccordingtoDepartmentofConservationscientistsitisimportanttohavetherightanswertothatquestion.HowtoBePreparedElectricitywatergasandtelephonesmaynotbeworkingafteranearthquakE.Thepoliceandfiredepartmentsarelikelytobetiedup.Youshouldbepreparedtotend_foryourselfforatleastthreedayspreferablyforaweek.You'llneedfoodwaterandsoon.It'salsoagoodideatodecideaheadoftimehowandwhereyourfamilywillreuniteifseparatedduringaquakE.Youmightchooseanout­of­the­areafriendorarelativethatfamilymemberscancalltocheckonyou.________Ifyou'reindoorsstaytherE.GetunderadeskoratablE.Thekitchenisaparticularlydangerousspot.Ifyou'reinanofficebuildingstayawayfromwindowsandoutsidewallsanddonotusetheelevator.Ifyou'reoutsidegetintotheopen.Stayclearofbuildingspowerlinesoranythingelsethatcouldfallonyou.Ifyou'redrivingmovethecaroutoftrafficandstop.Avoidparkingunderoronbridgesoroverpasses.AfteranEarthquakeCheckforfirE.Ifyousmellgasshutoffthemaingasvalve阀.Ifthere'ssignofdamagetoelectricalwiringshutoffthepoweratthecontrolbox.Ifthephoneisworkingonlyuseitincaseofemergency.Avoiddrivingifpossibletokeepthestreetsclearforemergencyvehicles.Becarefulthatthingsmayfalloutofcupboardswhenthedoorisopenedandalsothatchimneyscanbeweakenedandfallwithjustatouch.Listentotheradioforimportantinformationandinstructions.Rememberthataftershockssometimeslargeenoughtocausedamageintheirownrightgenerallyfollowlargequakes.Ifyouleavehomeleaveamessagetellingyourfriendsandfamilyyourlocation.67.Theunderlinedphrasetendforinthesecondparagraphprobablymeans________.A.lookforB.takecareofC.beproudofD.thinkof68.Whichofthefollowingwouldbethebestsubtitleforthethirdparagraph?A.BeforeanEarthquakeB.AfterMakingPreparationsC.WhileStayingatHomeD.DuringanEarthquake69.Whatshouldyoudowhenanearthquakehappens?A.Weshouldstayawayfromthekitchen.B.WeshoulddriveonabridgE.C.Weshouldturnoffthepower.D.Weshouldlistentotheradiofrequently.70.Accordingtothepassagewhydoesn'ttheauthoradvisedrivingafteranearthquake?A.Becauseitisdangeroustodriveastherewillbeaftershocks.B.Becauseyourcarwillbeeasilydamagedinthestreetsfullofblocks.C.Becauseyoushouldmakewayforemergencyvehicles.D.Becauseyoucan'tfindaplacetoparkyourcar.

ManymorebabieswillbebombeforetheYearoftheHorseendsbecausemanycouplesinChinatrytoavoidhavingbabiesintheYearoftheSheepwhichstartsonFeb192015.Thereason:traditionallyitisbelievedthatsheepbabiesleadadifficultandsuppressivelifE.ThE.truthisthereisnoevidencetoprovethatpeoplebomwiththezodiacsignofsheeparedestinedforadifficultlifE.Appleco-founderthelateSteveJobsandmoviestarsChowYunfatandZhangZiyiwereallbomintheYearoftheSheep.SuperstitionasitsdictionarydescriptionsaysisanunreasonablebeliefthatanobjectactionorcircumstancenotlogicallyrelatedtoacourseofeventsinfluencesitsoutcomE.ManypeopleregardblackcatsasunluckywhentheyareunluckyonlyformicE.Thenumber13isconsideredunluckyintheWestbutitwasquiteanluckynumberinancientChinA.Therichnumber8isviewedasluckyinChinayetitdoesn’tlookdifferentfromanyothernumberintheWest.Butsuchistheinfluenceofsuperstitiononsomepeoplethattheyundergocesareansection剖腹产evenwithoutgoingintolabortogivebirthbeforetheonsetofayeartheyconsiderunlucky.Doctorswarnthatprematurecesareansectionisaviolationofthelawsofnaturewhichcouldaffectthebaby’sbrainsandhealthbutsomepeopleignoretheiradvicE.Onthesocialsidethesuddenincreaseinthenumberofbirthsinoneyearwillmakeitevenmoredifficultforchildrentogetadmissiontoschoolsanddrasticallyraisethedemandforjobswhentheygrowup.Ironicallychildrenbominababyboomyearcanbecomealiabilitybecausetheywillbelockedinatoughercompetitionforeducationalnaturalandmaterialresources.Inmoresensethanonetheircompetitionbeginsevenbeforetheyarebombecausetheirmothershavetowaitlongerfortheirregularmedicalcheck-upsandtosecureabedinahospitalforchildbirth.InChinawheremoreoftenthannotparentsguideorevenforcetheirchildrentochoosethesubjectstostudyandthevocationstocompeteforzodiacsignsareofleastornoimportancE.Therealimportantthingistoencouragechildrentolettheirimaginationflyanddeveloptheiruniqueskills.62.Whichofthefollowingsentencesservesasasupportingfacttothewriter’smainpointofview?A.ManymorebabieswillbebombeforetheYearoftheHorseends.B.TraditionallyitisbelievedSheepbabiesleadadifficultandsuppressivelifE.C.DoctorswarnthatprematurecesareansectionisaviolationofthelawsofnaturE.D.Therealimportantthingistoencouragechildrentolettheirimaginationfly.63.AccordingtothepassagewhichonedoesNOTbelongtotheconceptofsuperstition?A.Youwillhavesevenyearsofbadluckifyoubreakamirror.B.Neveropenanumbrellaunderarooforashelter.C.WhenyoumarrywilldeterminewhatyourmarriagewillbelikE.D.A.wordoncespokencanneverberecalleD.64.ThewriterusesfactsfromthefollowingfieldsEXCEPT____tosupporthispointofview.A.cultureB.scienceC.politicsD.economy

Byfarthemostcommondifficultyinstudyissimplefailuretogetdowntoregularconcentratedwork.Thisdifficultyismuchgreaterforthosewhodonotworktoaplanandhavenoregularroutineofstudy.Manystudentsmuddlealongdoingabitofthissubjectorthatasthemoodtakesthemorlettingtheirsetworkpileupuntilthelastpossiblemoment.FewstudentsworktoasettimetablE.TheysaythatiftheydidworkoutatimetableforthemselvestheywouldnotkeeptoitorwouldhavetochangeitfrequentlysincetheycanneverpredictfromonedaytothenextwhattheiractivitieswillbE.Nodoubtsomestudentstakemuchmorekindlytoaregularroutinethanothers.Therearemanywhoshyawayfromaself-controlledweeklytimetableanddislikebeingtieddowntoafixedprogramofwork.Manyablestudentsstatethattheyworkincycles.WhentheybecomeinterestedinatopictheyworkonitattentivelyforthreeorfourdaysatatimE.Onotherdaystheyavoidworkcompletely.Ithastobeadmittedthatwedonotfullyunderstandthemotivationtowork.Mostpeopleover25yearsofagehavebecomeusedtoaworkroutineandthemajorityofreallyproductiveworkerssetasideregularhoursforthemoreimportantareasoftheirwork.Thetough-mindedschoolofworkersdoesn’tfullyaccepttheideathatgoodworkcanonlybedonenaturallyundertheinfluenceofinspiration.Thosewhobelievethattheyneedonlyworkandstudyasthefittakesthemhaveamistakenbeliefeitherintheirowntalentorinthevalueoffreedom.Freedomfromcontrolanddisciplineleadstounhappinessratherthantoself-expressionorpersonalitydevelopment.Oursocietyinsistsonregularhabitstimekeepingandpunctualitybeingontimeandwhetherwelikeitornotifwemeantomakeourwayinsocietywehavetomeetitsdemands.43Themostwidespreadprobleminapplyingoneselftostudyis__________.A.changingfromonesubjecttoanotherB.thefailuretokeeptoasettimetableofworkC.theunwillingnesstoworkoutasystematicplanD.workingonasubjectonlywhenonefeelslikeit44.WhichofthefollowingisTRUE?A.Manystudentsarenotinterestedinusingaself-controlledtimetablE.B.Manystudentsdon’tlikebeingtoldtostudytoafixedtimetablE.C.Mostpeopleover25yearsofagedon’tworktoasettimetablE.D.Tough-mindedpeopleagreethatgoodworkisdonenaturally.45.Theunderlinedpartasthefittakesthemmeans__________.A.whentheyhavetheenergyB.whentheyareinthemoodC.whentheyfeelfitD.whentheyfindconditionssuitable46.A.suitabletitleforthepassagemightbe__________.A.AttitudestoStudyB.A.StudyPlanC.TheDifficultiesofStudyingD.StudyandSelf-discipline

TherearemanydestructiveforceswhenitcomestonaturewhichhavedestroyedwholecitiesandkilledmanypeoplE.They’rereallyterriblebuttheyoccursomewhatoftenandthisiswhyyouseesomanycharitiesthesedayswhichfocustheireffortsonhelpingpeoplewhohavebeenaffectedbynaturaldisasters.WhiletheworldisaverybeautifulplacetoliveintherewillalwaysbepartsoftheworldwherenaturaldisastershappenmoreoftenthaninotherplaceswherepropertiesandlivesaredestroyeD.Onlythepeoplewholiveinthecountrywheretsunamisandearthquakesaswellasotherdisastersoccurexperiencetheseandwecanonlyimaginethesufferingthattheygothrough.ForsomepeopleouttheretheworldiscruelbuttheyhavenochoicebuttostaywheretheyarE.A.lotofthetimepeoplesimplycannotaffordtomoveawayastheymightnotbeabletofindajobwhentheyleavE.In2004therewasatsunamiintheIndianOcean.A.tsunamiisalargewavethattowershundredsoffeetintotheairandcoverswholeareaswhenitcomescrashingdownontodrylanD.ThisparticulartsunamiwascausedbyanearthquakethathappenedinthemiddleoftheseashootingthewaterawayfromthegroundandtowardsdrylanD.Thistsunamiactuallyreachedthirtymetersinheightandwasoneoftheworsttidalwavestheworldhaseverseen.Over200000peoplewerehurtinthedisaster.In2005wealsosawahurricanehappenedintheUnitedStates.ThishurricanewasknownashurricaneKatrinaandisperhapstheworstinthehistoryoftheworlD.Ithappenedin2005anddestroyedmillionsofpropertiesintheareA.Italsocostnearly2000Americanpeopletheirlives.ItwasknownthatfortendaysthewindsweptthroughtheareameaningthemostpowerfulcountryintheworldbecamehelplessintheirattemptstosavethepeoplewhowereaffectedbythehurricanE.Finallyin2008wesawyetanothernaturaldisaster.Thistimeitwasacyclone旋风whichissimilartoahurricanebuthappensinacircularmotion圆周运动.ThiscycloneNargishadbeenoneofthestrongesttohaveeveroccurredreachingadeathtollofnearly150000peoplE.Alloftheseweretypicalexamplesofterribledisastersthatcouldn’tbeavoideD.Title:ForcesofNatureIntroductionDestructiveforcesofnaturerefertonaturaldisasters76_______tsunamisandandearthquakes.Consequences◆Whentheseterribledisastersoccurinsomepartsoftheworldtheycause77_______topropertiesandlives.◆Peopleinthesepartsgothroughthe78_______thatonlyexistsinourimagination.◆SomepeopleouttherehavetoremainwheretheyarE.Theycan’taffordtomoveawayasasjobsinotherplacesmightnotbe79_______.80__________◆The2004tsunamireachinga81_______ofthirtymeterswasoneoftheworsttidalidalwavesintheworldhurtingover200000peoplE.◆The2005hurricaneknownasKatrinasweptthroughpartsoftheUS82________nearly2000Americanpeople’slives.Eventhemostpowerfulcountrycoulddo8378_______tosaveitspeoplE.◆The2008cyclonecalledNargishadbeenoneofthestrongestleavingnearly150000000people84_______.SummaryTheseterribledisasterswas85____________.

What’syourdreamvacation?WatchingwildlifeinKenya?BoatingdowntheAmazon?SunbathinginMalaysia?NewchancesareopeningupallthetimetoexploretheworlD.Sowevisittravelagentscomparepackagesandpricesandpayourmoney.Weknowwhatourvacationcostsus.Butdoweknowwhatitmightcostsomeoneelse?It’struethatmanypoorercountriesnowdependontourismforforeignincomE.Unfortunatelythoughtourismoftenharmsthelocalpeoplemorethanithelpsthem.Itmightcosttheirhomesandlands.InMyanmar5200peoplewereforcedtoleavetheirhomesamongthepagodas佛塔inBagansothattouristscouldvisitthepagodas.Tourismmightalsocostthelocalpeopletheirlivelihoodanddignity.Localworkersoftenfindonlymenial卑微的jobsinthetouristindustry.Andmostoftheprofitsdonothelpthelocaleconomy.InsteadprofitsreturntothetouroperatorsinwealthiercountriesWhentheMaasaipeopleinTanzaniaweredrivenfromtheirlandssomemovedtocityslums.Othersnowmakealittlemoneysellingsouvenirsorposingforphotos.Problemslikethesewereobservedmorethan20yearsago.Butnowsomenon-governmentorganizationstouroperatorsandlocalgovernmentsareworkingtogethertobegincorrectingthem.TouriststooareputtingonthepressurE.Theresultisresponsibletourismorethicaltourism.Ethicaltourismhaspeopleatitsheart.Newinternationalagreementsandcodesofconductcanhelpprotectthepeople’slandshomeseconomiesandcultures.Thebeginningsaresmallthoughandtheproblemsarecomplex.Buttakeheart.Thegoodnewsisthateveryoneincludinguscanplayaparttohelpthelocalpeopleintheplaceswevisit.Touroperatorsandcompaniescanhelpbymakingsurethatlocalpeopleworkingoodconditionsandearnreasonablewages.Theycanmakeitapointtouseonlylocallyownedhotelrestaurantsandguideservices.Theycanshareprofitsfairlytohelpthelocaleconomy.Andtheycaninvolvethelocalpeopleinplanningandmanagingtourism.Whatcantouristsdo?Firstwecanasktourcompaniestoprovideinformationabouttheconditionsoflocalcitizens.Wecanthenmakeourchoicesandtellthemwhy.Andwhilewe’reabroadwecan:Buylocalfoodsandproductsnotimportedones.PayafairpriceforgoodsandservicesandnotbargainforthecheapestpricE.Avoidflauntingwealth.AskbeforetakingphotographsofpeoplE.Theyarenotjustpartofthelandscape!Let’senjoyourvacationandmakesureothersdotoo.32.Whatisprobablythebesttitleforthearticle?A.TourismCausesBadEffects.B.TourismCallsforGoodBehavior.C.VacationsBringaLotofFun.D.VacationsCostMoreThanYouThink33.Whichofthefollowingisnotmentioned?A.Localpeoplewerewellpaidtoleavetheirlands.B.TouristsmaystayinhotelsopenedbylocalpeoplE.C.Localpeoplearemainlyprovidedwithlow-payingwork.D.TouristscouldbargainwithlocalpeopleforareasonablepricE.34.Theunderlinedphrasetakeheartmeans.A.payattentionB.takecareC.cheerupD.calmdown35.Accordingtothepassagethewriterthinks.A.tourismisnotapromisingindustryB.dreamvacationsshouldbespentabroadC.theproblemscausedbytourismareeasytosettleD.touristsshouldrespectlocalcustomsandculture

Modernsmartphonesarefastbecomingthemust-haveitem.Butwhat’sinstoreforthenextgenerationofsmartphones?Tiredofcarryingaroundthatheavywallet?Soonyouwon’tneedto!ThenextgenerationofsmartphoneswillhaveNFCtechnologywhichletsyoupayforthingswithyoursmartphones.AllyoudoisenteryourcreditcardinformationintoyourphonE.ThenwhenyouareinashopthatallowsNFCpaymentsyoujustwaveyourphoneoveraspecialinstrumentatthecheckout.ThepurchaseisinstantlychargedtoyourcreditcarD.Everseensomeonewearingsomethingandwishedyouknewwheretogetit?SoonitwillbeeasywithPicCommercenewtechnologythatusesimage-recognitionsoftwarE.Here’showitworks.IfyouseesomethingyoulikesimplytakeaphotoofitwithyoursmartphonE.Thenyourphonewillsendtheimagetoaspecialserverwhichwillrespondwithinformationaboutwhereyoucanbuyitandhowmuchitwillcost.Sickofyoursmartphonebatterygoingflat?Withsomanyapplicationsdraining消耗thebatterythelatestphonesneedtobechargedeveryday.Butnextgenerationsmartphoneswillcomewithbuilt-inchipsthatcanconnecttoanantenna天线inyourhomE.Andaslongasyourphoneiswithinrangeoftheantennayouwillbeabletochargeyoursmartphonewirelesslyevenifitisinyourpocket.Worriedaboutgettingyoursmartphoneswetintherain?A.companycalledHz0hasinventedWaterBlocknewtechnologythatmakesyourphonecompletelywaterproof.Andit’ssoeffectivethatyourphonewillevenworkunderwater.Fedupwithcarryingaheavyphonearound?SoonyouwillbeabletogetaPaperPhone!FlexiblephonesarethefuturesaidscientistRoelVertegaal.Sowhatarethebenefitsofflexiblephones?WellitmeansthatinsteadofcarryingyourphoneinyourpocketyoucouldwearitwrappedaroundyourwristforexamplE.Ofcoursethereisjusttheproblem:withsomuchnewsmartphonetechnologyaroundyouwillsoonneedtobuyanewphone!32.Topaywithyoursmartphoneyouneedto________.A.gotoabankB.storemoneyinthephoneC.haveacreditcardD.buyaspecialinstrument33.Wecanlearnfromthe4thparagraphthatthenextgenerationofsmartphones________.A.willhavechipsinsteadofbatteriesB.mayconsumelesspowerC.needn’tbechargedfrequentlyD.willbechargedeasily34.WhichfeatureoffuturesmartphonesdoesParagraph6show?A.Theywillbeeasiertocarry.B.Theywillbecheaper.C.Theywillbesmaller.D.TheywillbeeasiertooperatE.35.Whatcanbethebesttitleforthetext?A.BasicFunctionsofSmartphonesB.TheFutureofSmartphonesC.AdvantagesofModernSmartphonesD.TheDevelopmentofPhoneTechnology

EdmundHalleywasanEnglishscientistwholivedover200yearsago.Hestudiedtheobservationsofcomets彗星whichotherscientistshadmadE.Theorbitofoneparticularcometwasaverydifficultmathematicalproblem.Hecouldnotfigureitout.Neithercouldotherscientistswhodealtwithsuchproblems.HoweverHalleyhadafriendnamedIsaacNewtonwhowasabrilliantmathematician.Newtonthoughthehadalreadyworkedoutthatproblembuthecouldnotfindthepapersonwhichhehaddoneit.HetoldHalleythattheorbitofacomethadtheshapeofanellipsE.NowHalleysettowork.Hefiguredouttheorbitsofsomeofthecometsthathadbeenobservedbyscientists.Hemadeasurprisingdiscovery.Thecometsthathadappearedintheyears15311607and1682allhadthesameorbit.Yettheirappearanceshadbeen75to76yearsapart.ThisseemedverystrangetoHalley.Threedifferentcometsfollowedthesameorbit.ThemoreHalleythoughtaboutthemorehethoughtthattherehadnotbeenthreedifferentcometsaspeoplethought.Hedecidedthattheyhadsimplyseenthesamecometthreetimes.Thecomethadgoneawayandhadcomebackagain.Itwasanastonishingidea!HalleyfeltcertainenoughtomakeapredictionofwhatwouldhappeninthefuturE.Hedecidedthatthiscometwouldappearintheyear1758.Therewere53yearstogobeforeHalley'spredictioncouldbetesteD.In1758thecometappearedinthesky.HalleydidnotseeitforhehaddiedsomeyearsbeforE.EversincethenthatcomethadbeencalledHalley'scometinhishonour.36.Halleymadehisdiscovery________.A.bydoingexperimentsB.bymeansofhisowncarefulobservationC.byusingtheworkofotherscientistsD.bychance37.Halleymadeasurprisingbutcorrectpredictionintheyear________.A.1704B.1705C.1706D.170738.Thistextingeneralisabout________.A.HalleyandotherscientistsB.theorbitofacometC.NewtonandHalleyD.Halleyandhisdiscovery39.WhichofthefollowingisTRUE?A.EdmundHalleywasanAmericanscientist.B.Halleymadehisdiscoverybydoingexperiment.C.IsaacNewtonwasafamousmathematician.D.TheorbitofacomethadtheshapeofarounD.

HaveyouseenJurassicPark?InthisfilmscientistsuseDNAkeptfortensofmillionsofyearstoclonedinosaurs.TheyfindtroublehoweverwhentheyrealizethattheclonedcreaturesaresmarterandmoredangerousthanexpecteD.That’snothingmorethanafiction.Butcouldwereallycloneendangeredanimals?Todatethemostsuccessfulattempttodosowasthecloningofagaurarareox-likeanimalfromsoutheastAsiA.ScientistsusedacowtobringtheclonedbabygaurnamedNoah.TwodaysafterbirthhoweverNoahdiedfromacommonbacterialinfection.OtherendangeredspeciesthatmaybeclonedincludetheAfricanbongoantelope邦戈羚羊theSumatrantigerthecheetah猎豹andthegiantpandA.Nextcouldwereallycloneextinctanimals?Intheory?Yes.Todothisyouneedawell-keptsourceofDNAfromtheextinctanimalssuchaswoolmammoth毛象Tasmaniantigerorevendinosaurandacloselyrelatedspeciesstilllivingwhichcouldserveasasurrogatemother.Inreality?Probablynot.Ontheonehandit’snotlikelythatextinctanimals’DNAcouldsurviveundamagedforsuchalongtimE.CloningextinctanimalsaswoolmammothTasmaniantigerordinosaurismuchmoredifficultduetothelackofproperlywell-preservedDNA.Ontheotherhandforexampleagaurcanhaveacowasasurrogatemotherdefinitelynotamonkey.Butwhataboutanextinctanimalsasuniqueasthepanda?Whatspeciescouldpossiblyserveasasurrogatemother?Cloningpresentsmanyexcitingpossibilities.Howeverevenifextinctanimalsarebroughtbacktheycouldnotsurviveintoday’sworlD.Notonlydomostextinctanimalshavenohabitattoliveinbuttheotherplantsandanimalstheydependedonforfoodmayalsobegoneaswell.24.Itcanbelearnedfromthetextthat________.A.scientistshaveclonedtheAfricanbongoantelopeB.boththecheetahandthegiantpandaliveinAsiaC.thegaurlivesinAsiaandisendangeredD.thegaurisanextinctspecies25.Theunderlinedwordsasurrogatemotherprobablyrefertoafemalewho______.A.contributesitseggstoanotherfemaleB.givesbirthtoababyforanotherfemaleC.givesbirthtoababyofitsownD.cannotgivebirthtoababy26.Thedifficultyincloninganextinctspeciesisthelackof______.A.boththewell-preservedDNAandplantstoliveonB.boththehabitattoliveinandthewell-preservedDNAC.bothhabitattoliveinandplantstoliveonD.boththewell-preservedDNAandasurrogatemother27.Intheauthor’sopinionitispossiblethat______.A.someextinctspeciesmaybeclonedbutnotsurviveB.extinctspeciesmaybeclonedandeasilysurviveC.agaurcanhaveamonkeyasasurrogatemotherD.alltheextinctspeciescanbecloned

Unlesswespendmoneytopreventasteroids小行星nowonemightcrashintoEarthanddestroylifeasweknowitsomescientistssay.Asteroidsarebiggeronesofthemeteoroids流星thatrunacrossthenightsky.Mostorbitthesunfarfromtheearthanddon’tthreatenus.Buttherearealsothousandsofasteroidswhoseorbitsputthemonacollision碰撞coursewithEarth.Buy$50millionworthofnewtelescopesrightnow.Thenspend$10millionayearforthenext25yearstofindthepositionofmostofthespacerocks.Bythetimewepickoutakeyonethescientistssaywe’llhaveawaytochangeitscoursE.Somescientistsfavorpushingasteroidsoffcoursewithnuclearweapons.Butthecostwouldn’tbecheap.Isitworthit?Twothingsexpertsconsiderwhenjudginganydangerare:Howlikelytheeventis;Howbadtheresultswillbeiftheeventhappens.ExpertsthinkanasteroidbigenoughtodestroylotsoflivesmightstrikeEarthonceevery500000years.Soundsprettyrare—butifonedidfallitwouldbetheendoftheworld.Ifwedon’ttakecareofthesebigasteroidsthey’lltakecareofussaysonescientistIt’sthatsimplE.Thecurethoughmightbeworsethanthedisease.DowereallywantfleetsofnuclearweaponssittingaroundonEarth?TheworldhaslesstofearfromtherocksthanfromagreatnuclearfleetsetagainstthemsaidaNewYorkTimesarticlE.61.Whatdoesthepassagesayaboutasteroidsandmeteoroids?A.TheyareheavenlybodiessimilarinnaturE.B.TheyareheavenlybodiesdifferentinnaturE.C.Therearemoreasteroidsthanmeteoroids.D.Asteroidsaremoresecretthanmeteoroids.62.WhatdoscientistssayaboutthecollisionofanasteroidwithEarth?A.Itisveryunlikelybutthedangerexists.B.Suchacollisionmighthappenonceevery25years.C.It’sstilltooearlytosaywhethersuchacollisionmighthappen.D.CollisionsofasteroidswithEarthhappenmoreoftenthanexpecteD.63.Whatdopeoplethinkofthesuggestionofusingnuclearweaponstochangethecourseofasteroids?A.Itsoundspracticalbutmaynotsolvetheproblem.B.ItmaycreatemoreproblemsthanitmightsolvE.C.ItisawasteofmoneybecauseacollisionwithEarthisveryunlikely.D.FurtherresearchshouldbedonebeforeitprovesworkablE.64.Wecanconcludefromthepassagethat.A.whilepushingasteroidsoffcoursenuclearweaponswoulddestroytheworlD.B.asteroidsrunningacrossthenightskyarelikelytohitEarthinthenearfutureC.theworryaboutasteroidscanbelefttofurthergenerationssinceit’sunlikelytohappeninourtimE.D.workablewaysstillhavetobefoundtopreventacollisionofasteroidswithEarth

Ifyouseeapersoncarelesslythrowacigarettetothegroundwhatareyoulikelytothink?IfyouhatepeoplethrowingthingsonthegroundyoumightthinkThatpersonshouldn’tlitter.IfyouareasmokeryoumightthinkIwouldsurelikeacigaretterightnow.MostlikelythoughyouarenotthinkingThatunusedcigarettebuttcouldbeusedtomakesomethingamazing!Thatisunlessyouareacreativescientist.Ifyouareyoumayseepotential—apossibility—whereotherssimplyseetrash垃圾.ThatisjustwhathashappenedinSouthKoreA.Thespiritofinventioncanhitatthestrangesttimesandinthemostunusualplaces.InSouthKoreaithappenednearatrashcan.KinGil-PyoiswiththeSeoulNationalUniversity.Hesayshesawpeoplethrowingawaycigarettebuttswhichgothimthinking.Hebeganwonderingifsomethingusefulcouldbemadefromthem.Heandotherresearchersfoundawaytoconvertcigarettebuttsintomaterialsrequiredforhigh-performancebatteries.KimGil-Pyosaystheylookedcloselyatusedcigarettefilters滤嘴thepartsofcigarettessmokersputintotheirmouths.Filtersaremadeofamaterialcalledcelluloseacetate醋酸纤维素.Mr.Kimexplainsthatcelluloseacetatecanbemadeintoanothermaterial:carbon.Thepiecesofcelluloseacetateknownasfibersarechangedthroughaone-stepburningprocess.Afterthistheyareturnedintoanenergystoragematerial.Butwhyusecarbon?Carbonhasmanyqualitiesthatseemtomakeittheperfectmaterial.CarbonhasahighsurfaceareA.Itconductselectricitywell.ItalsostaysstableunlikelytochangeforalongtimE.Andcarbondoesnotcostalot.Allthesequalitiesmakeitthemostpopularmaterialformakingsuper-capacitors超级电容器.Super-capacitorsaregoodatstoringenergy.Theyhavehigh-powermassordensity密度.Theyrequireonlyashorttimeforrecharging.AndtheyhavealonglifecyclE.Super-capacitorsareusedinproductssuchaslaptopcomputersandcellphones.Theyarealsousedinindustrialenergyconverterslikewindturbinemachines.Combiningcarbonandsuper-capacitorsseemslikeaperfectmarriagE.KimGil-PyotellstheReutersNewsAgencythatcigarettebuttscouldaffecttheeconomyisahugeway.Theycouldprovetobealow-costsourceofcarbonmaterial.TheyaresocheapthatsmokersthrowthemtothegrounD.Andyoudon’tgetmuchcheaperthanthat.32.Whatmaypeoplethinkseeingapersonthrowacigarettetotheground?A.Thatalldepends.B.HeshouldbeblameD.C.ItcausesthemtosmokE.D.ThebuttscanbereuseD.33.Filterscanbemadeintoamaterialthat.A.isusedasthebatterysurfaceB.canbeturnedintoelectricityC.isveryeasyandcostsnothingD.canholdelectricityenergywell34.Super-capacitorsmadefromcarbon.A.needquitealongtimetorechargeB.arecomparativelyveryexpensiveC.caneasilycarryanelectricalcurrentD.cansavealargequantityofelectricity35.Thestorytellsthereadersthetruththat.A.wherethereisawillthereisawayB.themostuselessisusuallythemostusefulC.ideasusuallyhitatthemostunusualplacesD.oneperson’strashisanotherperson’streasure

Haveyoueverbeenfacetofacewithacatorasheep?Ifyouhaveyouprobablynoticedthatcatsnarrowtheireyestovertical垂直的slits狭缝whilesheephavehorizontalpupils瞳孔.Whyisthedifference?ScientistsfromtheUniversitiesofCaliforniaBerkeleyandDurhaminBritainmayhavetheanswer.TheirresearchpublishedrecentlyinthejournalScienceAdvancessuggestedthatpupils’shapescouldtellwhetherananimalisahunterorgetshunteD.Theresearcherstookacloselookattheeyesof214landanimals.Thechallengewastoseeiftheycouldfindarelationshipbetweenananimal’sroleinthefoodchainandthepupils’shapes.Theyfoundapattern.Specieswithpupilsthatareverticalslitsaremorelikelytobesmallambushpredators捕猎者–creaturesthatlieinwaitfortheirlunch.Incontrastthosewithhorizontalpupilsaremorelikelytobeplant-eatingprey猎物species.Evolutionchosethearrangementforagoodreason.Forhunterssuchashouseholdcatsitappearsthatverticalpupilsnotonlyimprovetheirabilitytokeeptrackofmovingobjectslikemicebutalsomaximize使最大化theirabilitytojudgethedistancesoftheanimalstheyhunt.HoweveraninterestingdiscoveryfromthestudyisthattheslitpupilsaremostlylinkedtohuntersthatareclosetothegrounD.Thereforebiggercatswhoactivelyhuntdowntheirpreyliketigersandlionsdon’thaveslitpupils.Ontheotherhandforplant-eatingpreyanimalshorizontalpupilsgivethemawiderfieldofvision.Whenstretched伸展horizontallythepupilsallowformorelighttoenterfromthefrontbackandsides.Meanwhiletheyalsolimittheamountoflightfromthesunabovesotheanimalcanseethegroundbetter.OncetheydofindapredatortheyneedtoseewheretheyarerunningsaidleadingresearcherMartinBanksaUCBerkeleyprofessorofoptometry视光学.Theyhavetoseewellenoughoutofthecorneroftheireyetorunquicklyandjumpoverthings.Butwhathappenswhentheybenddowntoeat?ResearcherscheckedthisbywatchingpreyanimalsintheOaklandZooinCaliforniaUS.Theybelievethatwhengoatslowertheirheadstoeattheireyesrotate旋转tokeeptheirpupilshorizontal.Soitseemsthattheeyesareindeedthewindowtothesoul!59.Whatisthearticlemainlyabout?A.Whyanimalshaveevolvedwithdifferentshapedpupils.B.HowanimalskeeptrackofmovingobjectsC.Howanimalschangetheirpupils’shapewhenhuntingforfooD.D.Howthepupils’shapeinfluencesananimal’sabilitytodetectapredator.60.Accordingtothestudyslitpupils______.A.helptoprovideawiderfieldofvisionB.aremorelikelytobelongtobigpredatorsC.providethesharpestwaytojudgehuntingdistanceD.aremorelikelytobelongtothosetogethunteD.61.Whatcanweconcludefromthearticleaboutplant-eatingpreyanimals?A.Theirpupilsallowmorelighttobereceivedfrombothaboveandbelow.B.Oncetheydetectapredatortheireyesrotatetohelpthemfindwheretorun.C.Whentheylowertheirheadstoeattheynarrowtheireyestoverticalslits.D.Theirpupilsareabletohelpthemscantheirsurroundingsforthreats.

WhileIQIntelligenceQuotienttellsyouhowsmartyouarE.EQEmotionalQuotienttellsyouhowwellyouuseyoursmartness.ProfessorSaloverythepsychologistwhocreatedthetermEQsaysthatitisIQthatgetsyouhiredbutitisEQthatgetsyoupromoted提升.Supportedbyhisresearchhesuggestedthatwhenpredictingfuturesuccessesaperson’sbrainpowerasmeasuredbyIQtestsmightactuallymatterlessthanaperson’scharacterorEQ.ProfessorSaloverymaybecorrect.Forexamplehaveyoueverwonderedwhysomeofthebestandsmarteststudentsinyourclassendupfailingexams?PerhapsitisbecauseoftheirEQ.PeopleoftenmakethemistakeofthinkingthatEQistheoppositeofIQ.Itisnot.AlthoughitishopedthatpeoplehavebothhighEQsandIQsthereislittledoubtthatthosewithlowEQshaveahardtimesurvivinginlifE.Foralongtimeresearchersdiscussedifaperson’sIQcouldberaiseD.Thegeneticistssaidnowhilethesocialscientistssaidyes.Furthermorethesocialscientistssaidthatitwaspossibletoimproveaperson’sEQparticularlyintermsofpeopleskillssuchasunderstandingandcommunication.Recentlyaprofessorreleasedthefindingsofastudyonseniorhighschoolstudents.Whensomenormalstudentswereintroducedtosomedisabledstudentstheyfoundthatafterwardstheyweremorewillingtohelppeopleindifficulties.Atthesametimetherewasamarkedchangeinthedisabledstudents’attitudes.Theybecamemorepositiveabouttheirdisabilitiesandweremoreeagertotrynewthings.PeoplewithhighEQsoftenhavepositiveattitudestowardslifeandareopentodifferentideassotheytendtobemorecreativeintheirthinking.PleaserememberthathavingahighIQishelpfulbuthavingahighEQmightevenbemorehelpful.24.AccordingtoProfessorSaloverywhatfactormattersthemostinpredictingwhetherapersonwillbesuccessfulornot?A.Howapersontestshis/herbrainpower.B.A.person’scharacter.C.Howsmartapersonis.D.A.person’sIQ.25.Fromthesecondparagraphwecaninferthat.A.peoplewhohaveahighIQalwayshaveahighEQB.EQistheoppositeofIQC.peoplewhohavealowEQtendtohaveahardlifeD.peoplewhohaveahighEQalwayshaveahighIQ26Whichofthefollowingisthewriter’sattitudetoEQandIQ?A.IQismorehelpfultopeoplethanEQ.B.IQcanberaisedbyunderstandingandcommunication.C.EQcangetpeoplehireD.D.A.highEQisofgreatbenefitingettingpeoplepromoteD.27.Whichofthefollowingwouldbethebesttitleofthispassage?A.A.person’sbrainpower.B.IQEQandsuccess.C.IQandaperson’scharacter.D.A.person’sIQandsuccess.

SearchingforairfaresoftenseemslikeagamethatpassengersareboundtolosE.PriceschangefromdaytodayevenminutetominutE.LookingthroughmultiplewebsitesforthebestdealcanbeabigchallengE.Evenwhenyoudobookthere’snoguaranteethatyouaregoingtogetthebestpricE.Youjustdon’tknowwhentopullthetrigger.It’snotlikebuyinganythingelseIcanthinkofsaidGeorgeHobicafounderofAirfarewatchdog.com.HarrietLevypaid$179forarecentround-tripflightonAmericanAirlinesbetweenNewYorkandFortLauderdaleFloridA.SittingjustonerowbehindherShirleyHarrisonpaid$215.A.fewrowsbackEllisandDianneTraubpaid$317each.Therewereatleast12faresontheflightrangingfrom$169to$360.There’snoreasonforitHarrisonsaiD.Farescanvarysignificantlyinjustafewhours.OneDeltaflightfromNewYorktoLosAngelesjumpedfrom$755to$1143fromaFridaytoSaturdayinlateAprilthenfellto$718onSunday.TheflightwasoneofadozentheAssociatedPress美国联合通讯社followedoverthreemonthsforavacationbetweenJuly16and22.Thenumberonefinding:avoidbookingticketsonweekends.It’sthemostexpensivetimetobuy.There’snowaytoguaranteethebestfarE.Butbeforebookingtravelersshouldpayattentiontothisadditionaladvice:●BookonTuesdayWednesdayandThursday.That’swhenairlinesmostoftenoffersales.●Buyinadvancebutnottooearly.Thebesttimeisfourtosixweeksbeforetraveling.IngeneralpricesforanygivenflightarehighesteighttotenweeksandtwotothreeweeksinadvancE.●MakeuseofsocialmediA.Airlinesaregivingmorebenefitslikeexclusive独家salestotravelerswhointeract互动withthemonTwitterandFacebook.Thosespecialsareoftengonewithinhours.●Theso-calleddiscountairlines–JetBlueAir-TranSouthwestandFrontier–adjusttheirfareslessfrequentlythanotherairlinessoyoucanfeelmoreconfidentthatthepricewillstaythesamE.Buttheirpricesaren’talwaysthelowest.Researchingmultipleairlines’faresistheonlywaytogetagooddeal.21.Whatcanweinferfromthefirstsentenceofthetext?A.Passengersareunabletosearchforairfares.B.Airlinesoftenplaygameswithpassengers.C.Airfaresaresetindifferentsituations.D.It’sdifficultforpassengerstogetthebestpricE.22.TheunderlinedphrasepullthetriggerinParagraph3probablymeans_______.A.startsearchingB.getthehighestpriceC.makeapurchaseD.getonboardtheplane23.Byusingalotoffigurestheauthorintendsto_______.A.showthereisstandardpriceforeverysingleairlineB.discovertherulesbehindairfaresC.guaranteepassengersalowpriceD.proveairfarescanvarywidely24.Passengersareadvisedtobookflights_______.A.inthemiddleoftheweekB.onspecialwebsitesC.severalmonthsbeforetravelingD.withairlineswhicharefamousforofferingdiscountprices

Desertsarefoundwherethereislittlerainfallorwhererainforawholeyearfallsinonlyafewweeks'timE.Teninchesofrainmaybeenoughformanyplantstosurvive存活iftherainisspreadthroughouttheyearIfitfallswithinoneortwomonthsandtherestoftheyearisdrythoseplantsmaydieandadesertmayform.Sandbeginsastinypiecesofrockthatgetsmallerandsmalleraswindandweatherwearthemdown.Sanddunes沙丘areformedaswindsmovethesandacrossthedesert.BitbybitthedunesgrowovertheyearsalwaysmovingwiththewindsandchangingtheshapE.Mostofthemareonlyafewfeettallbuttheycangrowtobeseveralhundredfeethigh.Thereishowevermuchmoretoadesertthansand.InthedesertsofthesouthwesternUnitedStatescliffs悬崖anddeepvalleyswereformedfromthickmudthatoncelaybeneathaseamorethanmillionsofyearsago.Overthecenturiesthewaterdriedup.Windsandrainheatandcoldallworeawayattheremainingrocks.Thefacesofthedesertmountainsarealwayschanging–-veryveryslowly---astheseforcesofnaturecontinuetoworkontherock.MostdesertshaveasurprisingvarietyoflifE.Thereareplantsanimalsandinsectsthathaveadaptedtolifeinthedesert.DuringtheheatofthedayavisitormayseeveryfewsignsoflivingthingsbutastheairbeginstocoolintheeveningthedesertcomestolifE.Asthesunbeginstoriseagainintheskythedesertonceagainbecomesquietandlonely.24.Manyplantsmaysurviveindesertswhen__________________.A.itisdryalltheyearroundB.therainfallsonlyinafewweeksC.thereislittleraininayearD.therainisspreadoutinayear25.Sanddunesareformedwhen___________________.A.sandpilesupgraduallyB.thereisplentyofraininayearC.theseahasdriedupovertheyearsD.piecesofrockgetsmaller26.Theunderlinedsentenceinthethirdparagraphprobablymeansthatinadesertthereis____________.A.toomuchsandB.moresandthanbeforeC.nothingexceptsandD.somethingelsebesidessand27Itcanbelearnedfromthetextthatinadesert____________.A.thereisnorainfallthroughouttheyearB.lifeexistsinroughconditionsC.allsanddunesareafewfeethighD.rocksarewornawayonlybywindandheat

Anearthquakehappenswhentwoplatesrub碰撞together.Theearthplatestravelindifferentdirectionsandatdifferentspeeds.Ifoneplateisslowlyforcedunderneaththeotherpressurebuildsupuntiltheplatesbreakapart.ThisprocesscausesthegroundtomovE.ItisanearthquakE.Inotherwordsearth-quakesaretheshakingoftheearth’ssurfacecausedbytheearth’srockyouterlayerasaresultoftheenergystoredwithintheearth.Thestrainwithintherocksissuddenlyreleased释放.Thedamageanearthquakecausesdependsonwhereitisandthetimeitishappening.Ifanunpopulatedregionisstrucktherewillbelowlossoflifeorproperty.Ifithitsalargecitytheremaybemanyin-juriesandmuchdestruction.Manyoftheareasatriskarelargelypopulatednow.MajorearthquakeshittingthoseareastodaycouldproduceterribledamagE.Actuallythereareseveralmillionsmallearth-quakeseveryyear.Largeearthquakessuchasthe1964Alaskanquakethatmeasured9.2ontheRichterscalecausemillionsofdollarsindamagE.Inthelast500yearsmillionsofpeoplehavebeenkilledbyearth-quakesaroundtheworld—including240000inthe1976TangshanearthquakeinChinA.A.60-secondorlessearthquakecancausedevastationthatcontinuesforyearsafterthefirsttremor小震.In1972aseriesofsevereearthquakesstruckManaguaNicaraguA.Fifteenyearslaterthecitystilllookedthewayithadaweekaftertheearthquakehitbecausethecountrydidnothavethenecessarymoneytorebuildit.Theshakingoftheearthissometimesnotthegreatestdisaster.Itisintheensuingfiresandfloodsthatoftenthegreatestdamageoccurs.Inthe1906earthquakeitwasthefirescausedafteritthatdidthemajorityofthedamagE.Anearthquakecanalsodestroydamshighaboveacityorvalleyscausingfloodstosweepdownandsweepawayeverythingintheirpath.58.Whichofthefollowingisthemainideaofthefirstparagraph?A.Anearthquakecomesfrominsidetheearth.B.TheearthhasgreatenergyinstoragE.C.HowtheearthplatesmovE.D.Howanearthquakehappens.59.Whichofthefollowingismentionedtoshowthatanearthquakecankilltoomanypeople?A.The1964AlaskanquakE.B.The1976TangshanearthquakE.C.The1972ManaguaearthquakE.D.The1906earthquakE.60.Theunderlinedwordensuinginthelastparagraphprobablymeans______.A.happeningasaresultofanothereventB.causingmanyinjuriesandmuchdestructionC.causingtoomuchheatandgreatdamageD.happeningsuddenlyandunexpectedly

Somepeoplethinkthatsuccessisonlyforthosewithtalentorthosewhogrowupintherightfamilyandothersbelievethatsuccessmostlycomesdowntoluck.I’mnotgoingtosaylucktalentandcircumstances环境don’tcomeintoplaybecausetheydo.Somepeoplearebornintotherightfamilywhileothersarebornwithgreatintelligenceandthat’sjusttherealityofhowlifeis.Howevertosucceedinlifeonefirstneedstosetagoalandthengraduallymakeitmorepractical可行的.Andinadditiontothatinordertogetreallygoodatsomethingoneneedstospendatleast10000hoursstudyingandpracticing.Tobecomegreatatcertainthingsit’llrequireevenmoretimetimethatmostpeoplewon’tputin.ThisisabigreasonwhymanysuccessfulpeopleadviseyoutodosomethingyoulovE.Ifyoudon’tenjoywhatyoudoitisgoingtofeellikeunbearable难以忍受的painandwilllikelymakeyouquitwellbeforeyoueverbecomegoodatit.Whenyouseepeopleexhibitingsomegreatskillsorhavingachievedgreatsuccessyouknowthattheyhaveputinahugepartoftheirlifetogetthereatahugecost.It’ssometimeseasytothinktheygotluckyortheywerebornwithsomeraretalentbutthinkingthatwaydoesyounogoodandthere’sahugechancethatyou’rewronganyway.Whateveryoudoifyouwanttobecomegreatatityouneedtoworkdayinanddayoutalmosttothepointofaddiction入迷andoveralongperiodoftimE.Ifyou’renotwillingtoputinthetimeandworkdon’texpecttoreceiveanyrewards.Consistenthardworkwon’tguarantee保证youthelevelofsuccessyoumaywantbutitwillguaranteethatyouwillbecomereallygoodatwhateveritisyouputallthatworkinto.51.Paragraph1mainlytalksabout________.A.thereasonsforsuccessB.themeaningofsuccessC.thestandardsofsuccessD.theimportanceofsuccess52.InParagraph2theunderlinedwordthatrefersto______.A.beinggoodatsomethingB.settingapracticalgoalC.puttinginmoretimeD.succeedinginlife53.Successfulpeoplesuggestdoingwhatonelovesbecause______.A.workmakesonefeelpainB.onetendstoenjoyhisworkC.onegivesuphisworkeasilyD.ittakesalotoftimetosucceed54.WhatcanweinferfromParagraph4?A.Successfulpeopleliketoshowtheirgreatskills.B.Peoplesometimessucceedwithoutluckortalent.C.PeopleneedtoachievesuccessatthecostoflifE.D.Ithelpstothinkthatluckortalentleadstosuccess.55.Whatisthemainthemeofthepassage?A.Havingagoalisvitaltosuccess.B.Beinggoodisdifferentfrombeinggreat.C.OnecannotsucceedwithouttimeandpracticE.D.Lucktalentandfamilyhelptoachievesuccess.

ArapidlyadvancingcontemporarysciencethatishighlydependentonnewtoolsisEarthsystemsciencE.EarthsystemscienceinvolvesobservationandmeasurementsontheEarthatallscalesfromthelargesttothesmallest.ThehugeamountsofdatathataregatheredcomefrommanydifferentlocationsandrequirespecialtechniquesforhandlingdatA.ImportantnewtoolsthatfacilitateEarthsystemscienceincludesatelliteremotesensingsmalldeep-seasubmarinesandgeographicinformationsystems.MorethananyotherwayofgatheringevidencesatelliteobservationscontinuallyremindusthateachpartoftheEarthinteractswithandisdependentonallotherparts.EarthsystemsciencewasbornfromtherealizationofthatinterdependencE.SatelliteremotesensingmakespossibleobservationsatlargescalesandinmanycasesmeasurementsoffactorsthatcouldnototherwisebemeasureD.ForexampletheozoneholeoverAntarctica--thedecreaseintheconcentrationofozonehighintheatmosphere--ismeasuredbyremotesensingasarechangesindesertsforestsandfarmlandsaroundtheworlD.SuchmeasurementscanbeusedinmanyareasofspecializationbesidesEarthsystemsciencE.ArchaeologyforexamplehasbenefitedfromsatelliteobservationsthatrevealthetracesofancienttraderoutesacrosstheArabianDesert.NewtoolsforexploringpreviouslyinaccessibleareasoftheEarthhavealsoaddedgreatlytoourknowledgeoftheEarthsystem.Smalldeep-seasubmarinesallowscientiststotraveltothedepthsoftheocean.Theretheyhavediscoverednewspeciesandecosystemsthrivingneardeep-seaventsthatemitheatsassesandmineral-richwater.JustasimportantasnewmethodsofmeasurementandexplorationarenewwaystostoreandanalyzedataabouttheEarthsystem.Computer-basedsoftwareprogramsknownasgeographicinformationsystemsorGISallowalargenumberofdatapointstobestoredalongwiththeirlocations.Thesecanbeusedtoproducemapsandtocomparedifferentsetsofinformationgatheredatdifferenttimes.Forexamplesatelliteremotesensingimagesofaforestcanbeconvertedtorepresentstagesintheforest'sgrowth.TwosuchimagesmadeatdifferenttimescanbeoverlaidandcomparedandthechangesthathavetakenplacecanberepresentedinanewimagE.74.ThewordfacilitateinParagraphIisclosestinmeaningto________.A.enableB.requireC.organizeD.examine75.Theauthorofthepassagementionsthatsatelliteobservationsareespeciallyeffectivein________.A.conductingscientificstudiesoflifeontheoceanfloorB.predictingfutureclimatechangesC.providingdatatodetermineEarth'sageD.demonstratinginteractionsamongallofEarth'sparts76.AccordingtothepassagesatelliteobservationsoftheArabianDesertallowarchaeologiststoknow________.A..indicationsofancientroutesB.evidenceofformerlakesC.tracesofearlyfarmsD.remainsofancientforests77.Whatisthemainideaofthepassage?A.specialtechniquesareneededtoclassifythehugeamountsofdataaboutEarth.B.NewtoolsprovideinformationaboutEarththatwasonceimpossibletoobtain.C.AdvancesinEarthsystemsciencehaveresolvedmanyenvironmentalproblems.D.Satelliteremotesensingcanshowchangesbetweentwoimagestakenyearsapart.

EveniftreescannotwalktheyarestillonthemovE.InpartsoftheArcticentireforestsaremovingnorthwarD.AcrossAcArctictemperaturesarerisingfasterthananywhereelseinAcworlD.Asthathappens.Tietreelinethatmarkswhereforestsstopandthetreelesstundra冻土地带startshasbeenshiftingnorthwarD.TreesgrowingalongthetreelinemustprotectthemselvesfromthecoldwinD.Todothisplantstendtogrowhorizontal水平的brancheslowtothegrounD.Theenergyittakefortreestogrowthiswaymeanstheydon'thaveenoughenergytomakeseeds.ButasEarth'sclimatehasbeenwarmingtreesnolongerhavetojustgrowhorizontally.Manycanin.SteadgrowuptowardAcsky.Thistakeslessenergy.Andwithallthatleftoverenergy.thesetreeshavestartedproducingmoreseeds.Thishappensespeciallyinplaceswherethewhitespruce白云杉grows.WhitesprucewhichisaNorthAmericantreeisquiteabletoproducealotofseedswhichcanmovelongdistancesinthewinD.Whenwind-blownseedsenduponthetundrabeyondActreelinetheyeventuallycansprout发芽newtrees.ThisexplainshowaforestcanmovE.OfcoursE.AcprocesswouldworkonlyifActundrawerewarmenough.ButinrecentyearsAcwholeplanethasbeenwarming.Newtreeswillprovidesheltersforsomesnow.Keepingthesun'sraysfrommakingthewhitesurfacedisappear.Insteadthetreesabsorbthesun'sheat.Thiswarmsthesurroundingair.Theextrawarmthencouragesevenmoretreestoproduceseeds.Thatfurtherboostsaforest'sabilitytoexpanD.Inadditionmoretreeswilltrapmoresnowpreventingmuchofitfrombeingblownaway.Snowcantrapheatinthesoilbelowwhichencouragestreestogrow.Therecentriseoftemperaturehashelpedmoretreesgrow.TherecentriseoftemperaturehashelpedmoretreesgrowpastthetreelinE.Peopleworryaboutimpactsontheanimalsthatdependonfrozenconditionsforfoodandshelter.32.WhatisthemaincauseofthetreesintheArcticmovingnorthward?A.TheshrinkingofnortherntundrA.B.TherisingtemperaturE.C.ThefierceandcoldwinD.D.Theabundantresourcesinthenorth.33.WhatdoestheunderlinedwordthisinParagraph2mean?A.Toproducemoreseeds.B.TomovenorthwardC.TorespondtotheclimatechangE.D.ToprotectthemselvesfromthecoldwinD.34.Whatcanbeinferredfromthelastparagraph^A.Newtreescantrapthesnowwhichmaymakethesoilcolder.B.Thetrappedsnowpreventsnewtreesfromproducingmoreseeds.C.Newtreescanmakethesurroundingairwarmer.D.Newtreescanbringmorefoodandshelterforlocalanimals.35.ThepassageismostprobablytakenfromA.asciencereportB.ahealthreportC.afashionmagazineD.achildren'smagazinE.

Treasurehunts寻宝haveexcitedpeople’simaginationforhundredsofyearsbothinreallifeandinbookssuchasRobertLouisStevenson’sTreasureIslanD.KitWilliamsamodernwriterhadtheideaofcombiningtherealexcitementofatreasurehuntwithclues线索foundinabookwhenhewroteachildren’sstoryMasqueradein1979.ThebookwasaboutahareandamonthbeforeitcameoutWilliamsburiedagoldhareinaparkinBedfordshirE.ThebookcontainedalargenumberofcluestohelpreadersfindtheharebutWilliamsputinalotofredherringsorfalsecluestomisleadthem.KenRobertsthemanwhofoundtheharehadbeenlookingforitfornearlytwoyears.Althoughhehadbeensearchinginthewrongareamostofthetimehefounditbylogicnotbyluck.Hissuccesscamefromthefactthathehadgainedanimportantclueatthestart.Hehadrealizedthatthewords:OneofSixtoEightunderthefirstpictureinthebookconnectedthehareinsomewaytoKatherineofAragonthefirstofHenryVIII’ssixwives.EvenherehoweverWilliamshadsucceededinmisleadinghim.KenknewthatKatherineofAragonhaddiedatKimboltoninCambridgeshirein1536andthoughtthatWilliamshadburiedtheharetherE.Hehadbeendiggingthereforoverayearbeforeanewideaoccurredtohim.HefoundoutthatKitWilliamshadspenthischildhoodnearAmpthillinBedfordshireandthoughtthathemusthaveburiedthehareinaplaceheknewwellbuthestillcouldnotseetheconnectionwithKatherineofAragonuntilonedayhecameacrosstwostonecrossesinAmpthillParkandlearntthattheyhadbeenbuiltinherhonorin1773.EventhenhissearchhadnotcometoanenD.ItwasonlyafterhehadspentseveralnightsdiggingaroundthecrossthathedecidedtowritetoKitWilliamstofindoutifhewaswastinghistimetherE.WilliamsencouragedhimtocontinueandonFebruary24th1982hefoundthetreasurE.Itwasworth₤3000inthebeginningbuttheexcitementithadcausedsinceitsburialmadeitmuchmorevaluablE.5.Theunderlinedwordthemparagraph1refersto__________.A.readersofMasqueradeB.treasurehuntsC.HenryVIII’ssixwivesD.redherrings6.Whatisthesubjectdiscussedinthetext?A.Anexcitinghistoricalevent.B.Theimportanceoflogicalthinking.C.TheattractionofMasqueradE.D.A.moderntreasurehunt.7.WhichofthefollowingdescribesRoberts’logicinsearchingforthehare?A.HenryVIII’ssixwivesB.Katherine’sburialplaceatKimboltonC.Williams’childhoodinAmpthillD.KatherineofAragonE.stonecrossesinAmpthillParkA.a-b-c-e-dB.d-b-c-e-aC.b-a-e-c-dD.a-d-b-c-e8.WhatisthemostimportantclueinthestorytohelpKenRobertsfindthehare?A.KatherineofAragon.B.Stevenson’sTreasureIslanD.C.TwostonecrossesinAmpthill.D.Williams’hometown.

Accordingtomanyreviewersweareinanageofscience.Fromgeneticstoinformationtechnologywelooktothesciencetoprovidetheanswerstoourproblems.AndsocietyatlargeisinfluencedbythescientificmethoD.Isitpractical?Isitprovable?Canwemeasureitseffects?Thesearethequestionspeopleask.Andwhenpeoplechoosewhatcollegecoursetotakethequestionstendtobe:whatkindofjobamIgoingtoget?Howmuchwillitpay?Thisleadstosomedifficultdecisions.Manystudentshaveanaturaltalentforliteratureorarts.Shouldtheyleavethatbehindandstudysomethingmorepracticalinstead?RogerKnightdoesn’tthinkso.AsaseniorlectureratLeicesterUniversityheisoneofthepeopleresponsibleforteachingtheteachersofEnglish.AndasaformerpresidentoftheEnglishAssociationtheworld’soldestpromotionalgroupforEnglishstudiesheispassionateabouttheimportanceofEnglishinglobalsociety.EveryyearIteachclassesinSingaporeandeveryyearInoticearealdifferencebetweenthestudentswhojustlearnthelanguageandthosewhostudiedtheliteratureaswell.ThesestudentswereusedtothinkingandfeelinginEnglish.Theyhadabetterunderstandingofhowthelanguageisusedandwhatitisusedfor.AccordingtoUKgovernmentEnglishLiteraturegraduatesgetintoemploymentlightlylessquicklythansciencegraduates.Butmanymoreusetheirdegreeasaplatformforfuturestudy.Evenwithoutthislargenumbersfindtheirwayintomanagerialjobsespeciallyinsectorslikemediaadvertisinghumanresourcesandpublishing.AnEnglishliteraturegraduateshouldhavetheskillstoanalyzesituationsindepthtoargueacasebasedonevidenceandtounderstandhumanactionsandwhatmotivatesthem.IthelpsstudentsreachouttodifferentculturessaysRogerKnight.That’swhyliteratureisregardedasavitalpartofthesetofcoursesinBritain.ItdeepenslanguageskillsandbroadensunderstandingoftheworlD.StudyingEnglishintheUKalsoputsstudentsinthesameenvironmentasmanyoftheclassicauthors.Theycanseewhattheysawandperhapshavesomeofthesameexperiences.Takingadegreeinliteraturemeansthatyouareexposed暴露totheworkofpeoplewhoweremastersoflanguagE.ButtheywerealsomastersofhumanpsychologywhosawdeepintothehumanmindandputdownwhattheysawwithgreatbeautysaysRoger.AdegreeinEnglishLiteratureoffersmorethanjustworkskills.Itofferswisdomaswell.Andtheworldcouldsurelydowithmoreofthat.67.FromthepassagewecanknowthatinBritainliteratureisan__________subject.A.popularB.advancedC.requiredD.additional68.Whenthestudentschoosecollegecoursesthefirstthingtheyconsideriswhether__________.A.theyarewellpaidB.theycanfindjobsC.theycanmakefulluseoftalentsD.theyarepractical69.AccordingtoRogerKnight__________.A.languagestudyisdifferentfromliteraturestudyB.literaturestudycangivesomethingmoretothestudentsC.languagestudyisasvaluableasliteraturestudyD.EnglishlanguagestudentsshouldthinkandfeelinEnglish70.ThepassageimpliesthatEnglishliteraturestudents__________.A.candevelopthemselvesinmanymorefieldswiththefoundationoftheirdegreeB.maybeemployedmuchmoreslowlythansciencestudentsC.canhavethemoreskillstoanalyzesituationsindepththansciencestudentsD.canseedeeperintothehumanmindandputdownmorethingstheysee

Acrosstheplanettherearemillionsofpeoplewhoengageinsometypeofmeditationthepracticeofconcentratingandclearingthemindtobringthebodyintoastateofpeaceatleastasemi-regularbasis.ForsomeparticularlyamongpractitionersofEasternreligionssuchasBuddhismandHinduismthisispartandparceloftheirreligiouspracticE.ForothersparticularlyinWesternculturesmeditationtendstobearesponsetostress.Withtheworldeconomyapproachingmeltdownandpeopleworriedabouttheirjobortheirabilitytokeeptheirhomeit’sawayforpeopletoattainastateofpeaceofmindandwell-being.Forthoseinterestedintakingupthepracticeinstructioninmeditationforbeginnerscanbefoundinliterallythousandsofsources.OneofthemostpopularstylesofmediationintheWestwithclassesofferedinmostmajorcitiesiscalledTranscendentalMeditation.TMasitisknownamongitspractitionersfirstcametoworldwideattentionwhentheBeatlesbeganpracticingitin1967.FordirectguidedpersonalinstructioninmeditationforthebeginnerTMmaybethehallmark.Partoftheconfusionabouthowtopracticemeditationeffectivelyisduetothefactthatthereareliterallyhundredsoftechniqueschampionedbyvariousgroupsandindividuals.Asageneralprincipleitmightbesaidthatallmeditationtechniquesseektohavethepractitionerattainastateofconsciousnessthatisdifferenttoourordinarystateofawareness.TheyattempttotrainpeopletocleartheirmindsandachieveasenseofinnerpeacE.Itsoundssimpleenoughbutofthehugenumberofpeopleexperimentwithmeditationveryfewareabletomaintainitspracticeoverthelonghaul.Inmostcasesthisisduetofrustrationovertheinabilitytoexperienceanydramaticinstantlyrecognizableeffects.Thisisquiteasadstateofaffairsthatsofewthesedaysarewillingorequippedtopersistinsomethingthatdoesn’tprovideimmediatelife-changingresults.Itreflectsacultureinwhichdemandsfordisciplineandsustainedeffortareconsideredunnecessaryorevenunfair.Itisnosurprisethereforethatmanypeopleabandontheireffortsatmeditationbeforetheyhaveachancetobearfruit.Butforanyonewhodoesdecidetotakeupthisworthwhilepracticepleaseremember:Youmustclearyourmindrelaxandtakeitasitcomes.Maintainthepracticewithasenseofdisciplineanddevotionandeventuallybenefitsofinnerpeaceandcalmwillbeyours.56.Theunderlinedpartpartandparcelofinparagraph1isnearestinmeaningto________.A.closelyassociatedwithB.verydifferenttoC.usuallysentfromD.animportantelementof57.Thegoalofmeditationis________.A.toclearthemindB.topracticeareligionC.todevelopatechniqueD.tocarryoutanexperiment58.Whatcanweinferaboutmeditationfromthepassage?A.Ithastwomaintypes.B.Itispracticedbymanyfamousartists.C.Itsbenefitsarenotimmediatelyobvious.D.Mostpeoplefinditaverygoodwaytorelax.59.AccordingtothewriterwhathasattractedmanyWesternpeopletomeditationpracticesinrecentyears?A.TheirimprovedunderstandingofforeignculturE.B.TheneedtofillintheirgrowingfreetimE.C.Increasingemploymentinstability.D.Migrationfromcountriesinwhichmeditationistraditional.60.Whoistheprobableaudienceforthisarticle?A.Experiencedmeditationpractitioners.B.Peopleinterestedinstartingtolearnmeditation.C.BuddhistsandHindus.D.Peoplewhoareveryreligious.

TheHawaiiVolcanoesNationalParkTheHawaiiVolcanoesNationalParkontheislandofHawaiihastwoactivevolcanoes:MaunaLoawhichlasteruptedin1984is13677feet4.17kmabovethesealevel;KilaueaisnexttoMaunaLoaandithasbeeneruptingsinceJanuary31983.Itis4190feet1.23kmabovesealeval.WhentovisitTheparkisopen24hoursadayallyearrounD.Therearenoplantsortreesonthelavafieldsandnoprotectionfromthesunsoyoumustbringsunscreen.HowtogetthereThebestwaytogettotheparkistotakeHighway11.FromtheairportatHiloHighway11willtakeyousouthwardacrosstheeasternpartoftheislanD.ThingstoseeIfyouwanttoknowmoreabouttheparktheKilaueaVisitorCenterissurelyastoptomakE.Itisaquarterofmile402mfromtheparkentrancE.Thereyoucanseeagreatmovieaboutreallavaandlearnaboutmanyguidedwalksandhikesaroundthepark.Youmustcheckweatherconditionsandvolcanicactivitybeforehikesaroundthepark.YoumustcheckweatherconditionsandvolcanicactivitybeforehikealonE.IfpossibleyoumaydrivedownChainofCratersRoadtoseelavaflowingintotheocean.TicketsEntrancetotheparkis＄10.00foreachvehicle＄5.00forthosewhotravelonfootorrideabicyclE.Childrenundertheageof15arefreE.56.TheKilaueaVisitorCenter______.A.offersallkindsofmoviesB.isnexttotheparkentranceC.isopenfor8hourseverydayD.introducestheparktovisitors57.Ifafamilyofthreedrivesacarintotheparktheyneedtopay________.A.＄5.00B.＄10.00C.＄15.00D.＄20.00

AppleisofferinganewtoolthatletspotentialbuyersausediPhoneiPadandiPodknowifthedeviceswerepreviouslystolen.ThenewActivationLockStatustoolavailablethroughthecompany’siCloudserviceallowsuserstoenterthedevice’sserialnumberandseeifuseddevicesarecurrentlylockeddownorhaveeverbeenlockeddownbyapreviousownerwhichwouldindicatethedevicewasstolen.Thereasonbehindthefeature?Fewcustomerswouldbuystolendevicesespeciallyonestheycan’tusesothieveswillbedeterredfromstealingtheminthefirstplacE.AppleintroduceditskillswitchfeaturewithiOS7lastSeptember.UsingtheFindMyiPhoneappandiClouD.cornuserscantracktheirphone’slocationincaseitwasaccidentallyleftsomewherE.OrforthosewhobelievetheirphonewasstolentheycanenablethekillswitchwhichlocksdownthephonE.Theappcanalsodeleteallofitsdataincasethephonecontainssensitiveinformation.Theonlywaytore-enablethedeviceonceitislockeddownistoenteritsassociatedAppleIDandpassworD.HackersfiguredoutawaytounlockmobileandtabletdevicesbytrickingthedeviceintousinganalternativeiCloudserverwritesPCWorlD.That’swherethenewActivationLockStatustoolcomesin.EvenifhackersareabletotrickthedeviceintounlockingpotentialcustomerscancheckifthedevicewaseverlockedfromtheFindMyiPhonefeaturE.MobiledeviceshaveahighrobberyratE.InCalifornia1inevery3robberiesincludesamobiledeviceaccordingtotheFederalCommunicationsCommission.ForOaklandCalif.it’s75percentofrobberies.ButApple’slockingfeaturehasbeenextremelyeffectivE.InthemonthsafterthekillswitchfeaturewasreleasediPhonetheftsdropped38percentinSanFranciscoaccordingtoaJunelawenforcementreport.TherobberyrateofSamsungphoneswhichdon’thaveakillswitchfeatureincreased12percent.InanattempttocutdownonthenumberofphonesstolenacrossthestateCaliforniapassedalawthatwillrequireallsmartphonestohaveakillswitchsystem.OureffortswilleffectivelywipeouttheincentivetostealsmartphonesandcurbthiscrimeofconveniencewhichisfuelingstreetcrimeandviolencewithinourcommunitiesSen.MarkLenowhointroducedthebillsaidinastatement.67.AccordingtothepassageAppleisofferinganewtool_______.A.topromoteitsadvancedtechnologyoverotherbrandsB.tomonitorthefunctionofaniPhoneiPadandiPodC.toteachitsusershowtolockdownandunlocktheirdevicesD.totrytoreducethestealingandsellingcasesofthedevicesofApple68.Whatdoestheunderlinedworddeterredmeaninthesecondparagraph?A.InspiredB.DiscouragedC.ExcusedD.Punished69.WhichofthefollowingisNOTthefunctionofkillswitchfeature?A.Findthephone’sposition.B.WipeoutthesensitiveinformationinthephonE.C.LockdownthephonE.D.Enablethestolenphonestofindtheirformerownersautomatically.70.ItcanbeinferredthatinthenearfutureinAmericathesmartphonesmight_______.A.haveakillswitchsystemB.haveaglobalpositionsystemC.nolongerbestolenbythetheftsD.allbereplacedbytheiPhone

DragonfliesarealwayshuntingforfooD.What’smoretheyusuallycatchitintheair.Zig!Thedragonflycatchesasmallfly.Zag!Itseizesamosquito.Veryfewinsectscanoutflythedragonfly.Nomatterhowfasttheygonomatterwhichwaytheyturnthedragonflyisusuallyabletofollow.TwoengineersattheUniversityofTennesseeSpaceInstitutehavebeenstudyingthewaythatdragonfliesfly.Dr.JamesWuandDr.AhmadVakiliarestudyingwaystodesignafighterplanethatcanchangedirectionasquicklyandeasilyasdragonfliescan.Whyisthatimportant?IfyouareinafighterplaneandanotherplaneisafteryouyouwanttobeabletoflymorequicklythantheotherplaneDr.Vakilisays.Adragonfly’swingsarethekeytoitsflyingabilityDr.WuandDr.Vakilisay.Ifyoulookcloselyyouwillseethatadragonflyhastwowingsoneachsideofitsbody—alongfrontwingandaslightlyshorterbackwing.Duringflightsmallbutpowerfulwindsofairmovealongeachofthedragonfly’sfrontwings.Thusthepressureofairkeepsthedragonflyupintheair.A.dragonfly’sbackwingshelpkeepthewindsfrombreakingup.Dr.WuandDr.Vakiliarestudyingwaystomakefighterplanewingsuseairflowasefficientlyasdragonflywings.Doesthismeanthatsomedaywe’llhavefighterplanesthatlooklikedragonflies?Dr.WuandDr.Vakilisaynobecausethatwouldnotbepractical.Theydon’twantwingsthatlooklikeadragonfly’s.Rathertheywantwingsthatworklikeadragonfly’s—designedtohelpfighterplaneschangecoursequicklyandoutfly在飞行速度上胜过theirenemies.25.Theopeningparagraphismainlyintendedtoshow____.A.whydragonfliesflysofastB.howdragonfliessearchforfoodC.thefooddragonfliespreferD.theflyingabilitiesofdragonflies26.Dr.WuandDr.Vakiliwanttomakefighterplanesthatcantakeadvantageof______.A.airflowB.thedirectionofthewindC.thepowerofthewindD.airpressure27.WecaninferthatthefighterplanesdesignedbyDr.WuandDr.Vakilimay_____.A.flyatagreaterheightB.looklikedragonfliesC.havemorefunctionsD.makeaturnquickly

Shockingastheideaofbabybirdsgrowingupinacigarette-filledhomesoundsanewstudysuggeststhatsomebirdsmaybenefitfromputtingthestufffromcigarettebutts烟蒂intotheirnests.Thenicotine尼古丁remaininginsmokedfilters滤嘴mayserveasanaturalinsecticide杀虫剂drivingharmfulinsectsawayfromthenestsandthebabybirdslivingwithin.Tobaccoplantsproducenicotinebecauseitdefendsagainstinsectsthatwouldotherwiseeattheplants.Thebuttsareundoubtedlysmelly.Butbirdsareactuallyquitefondofsmellychemicalssuchasthosefoundinaromatic芳香的plants.Somenest-buildingspeciesregularlyfilltheirnestswithfresharomaticspossiblybecausethechemicalsaregoodfortheimmunesystemorthedevelopmentofthechicks.Alternativelytheplantchemicalsmightactasinsecticides.InthestudyresearchersattheAutonomousUniversityofTlaxcalainMexicosetupheattrapswhichattractharmfulinsectsin55nestsaroundMexicoCity.Sometrapswerelinedwiththestuffinsmokedcigarettefilters.Theotherswerelinedwiththestufffromunsmokedcigarettefilterswhichdidnotcontainnicotineandothersmokingby-products.Whetherthenestheldeggschicksornothingtheunsmokedcigarettetrapscollectedmoreharmfulinsectssuggestingthatitisthechemicalsthatdroveharmfulinsectsaway.Inasecondexperimenttheresearcherscollected28housesparrownestsand29housefinch朱雀nestsfromMexicoCityimmediatelyafterthechicksflewoutforfooD.TheyfoundthatthemoresmokedfilterstufffilledanestthefewerharmfulinsectsithaD.Themissingpieceofthepuzzleiswhetherthereducednumberofharmfulinsectsinthenestsactuallyprovidedanybenefittothechicks.Itisalsounclearifnicotineoranotherchemicalfoundincigarettesmayhaveturnedtheharmfulinsectsoutofthenests.If'theresultsholdthenthisstudyisanexampleofwildlifeadaptationtoUrbanization--oratleastevidencethatbirdsaresmartandcanstillfollowtheirnosesinurbanenvironments.67.Whatmaybethefunctionofnicotineincigarettebuttsforbirds?A.Toattractbabybirdstostayinthenests.B.Toprovidebuildingmaterialsforbirdnests.C.Toprotecttheplantsfrombeingeatenbyinsects.D.Todriveharmfulinsectsawayfrombirdnests.68.Whatisthefirstexperimentaimedat?A.ProvingthatheattrapsattractharmfulinsectsinMexicoCity.B.Comparingsmokedcigarettefilterswithunsmokedones.C.Analyzingwhatisproducedfromsmokedcigarettefilters.D.Studyingwhatitisthatdrivesharmfulinsectsaway.69.Whatcanyouinferfromthepassage?A.Birdstendtouseinsecticidetoprotectthebabybirds.B.Someinsectsareafraidofsmellychemicalsinaromaticplants.C.Nicotineistheonlychemicalthatdrivesharmfulinsectsaway.D.Smokedcigarettetrapsattractmoreharmfulinsects.70.Wherecouldyoupossiblyseethepassage?A.Inasciencereport.B.Inanurbanizationessay.C.Inatobaccoadvertisement.D.Inananti-smokingbrochurE.

MicrosoftWindowsXPsupportends:Howtoupdate?Ifyou’restillrunningWindowsXP—whatdoyoudonow?Thisdoesn’tmeanthatcomputersrunningtheoperatingsystemwillstopworkingbutitislikelythatthecomputerwillbeattackedbyhackersasthecompanystopsprovidingsecurity-updatesandtechnicalsupportforWindowsXP.Generallyspeakingyouhavetwonewchoices:BuyanewcomputerorupdatetoWindows7orWindows8.1.Ifyou’renotreadytomakeachangetherearethingsyoushoulddoifyou’llstillbeonXPoverthenextcoupleofmonths.Firstlymakesurethesoftwareyouhaveisasup-to-dateaspossiblE.Thatmeanshavinganysecurityfixesyoucan’tgetfromMicrosoft’swebsiteandmakesurethatyou’vegotsomenon-Microsoftantivirussoftwareinstalled安装fromotherwebsites.Ofcourseifyouwanttokeepreallysafethenyou’dbetterstayoffthewebaltogetherthoughformanyusersthiswon’tevenbeachoicE.Anotherchoiceistochangefromusinganadministratoraccounttoalimitedaccountfortaskslikecheckingyoure-mail.Thismeansthatifahackerattacksyourcomputeratleasttheywon’thaveadministrator-levelaccess.Howeverwehavetostressthatthesestepsarejusttemporary临时的measuresandaren’tenoughtoprotectyourcomputerinthelongrun.Whetheryou’rebuyinganewcomputerorsimplyupdatingyourpresentoperatingsystemdependsonyourself.You’llhavetochoosebetweenWindows7andWindows8.1.Whicheveryougoforyou’llneedtocheckthatyourcomputermeetstheminimumsystemrequirementsforeithersystem.ForeitherWindows7or8.1you’llneedatleastacomputerwith1GBofRAM1GHzprocessorand160GBofharddiskspacE.Howevertorunabetteroperatingsystemyou’llneedacomputerwithover4GBofRAMa2GHZprocessorand500GBofharddiskspacE.Buyinganewcomputerwiththesefunctionsyoumaypaymorethan＄500.Ifyou’restillplanningonupdatingMicrosoftofferssomegreatguidesontheirownwebsitemeaningthatyoucandownloadyournewoperatingsystemandcopyallyouroldfileswithoutleavingyourcomputer.Windows7iscertainlybetterthanWindowsXPbutyoushouldbeawarethatitisalsoan‘old’operatingsystem.MicrosoftCompanywilladdmoreupdatestoWindows8.1overtimewhileWindows7willalsocometoanendbeforelong—justlikeXP.58.‘MicrosoftWindowsXPsupportends’meansthat_________.A.theoperatingsystemofWindowsXPwillstopworkingB.MicrosoftstopsprovidingtechnicalsupportforWindowsXPC.peoplemustinstallotherwebsites’antivirussoftwareforWindows7.D.peoplemustbuyanewcomputerandupdatetoWindows7orWindows8.159.Topreventahackerfromattackingyourcomputeryou’dbetterNOT_________.A.updateyourcomputerB.stayoffthewebaltogetherC.useanadministratoraccountD.installsomeantivirussoftwares60.Fromthefourthparagraph___________isabetterchoiceinthelongrun.A.buyinganewcomputerasWindowsXPsupportendsB.updatingyourpresentoperatingsystemtoprotectyourcomputerC.havinganewcomputerwithatleast1GBofRAM1GHzofharddiskspaceD.choosinganewcomputerwithover4GBofRAMand500GBofharddiskspace61.Fromthepassagewecanconcludethat__________.A.hackerattackswillhappenmoreofteninthefutureB.anoperatingsystemdevelopsquicklyastimegoesbyC.anewcomputerwillbemoreexpensivethanitusedtobeD.peopletendtousesecurityfixesexceptMicrosoftCompany’s

Thesonofazookeeper16-year-oldPiPatelisraisedinPondicherryIndiA.PlanningamovetoCanadahisfamilytakesarideonanenormousship.Afterashipwreck.PifindshimselfinthePacificOceantrappedona26-footlifeboatwithawoundedzebraahyena鬣狗anorangutan猩猩andatigernamedRichardParker.Itsoundslikeacolorfulsetup.Butthesewildanimalsdon’tburstintosongasintheDisneycartoons.AllwanttosurvivehoweverPifindshimselftheweakestoneofall.AftermuchinfightingPiandRichardParkerremaintheboat’sonlypassengers.Piislefttosurvivefor227daysthroughwaterswithhislargedangerouscompanionusingallhisknowledgewitsandfaith.FivePeopleYouMeetinHeavenWhenalonelyandelderlymandiesinanaccidentheawakensinanunfamiliarplacecalledHeavenwherefivepeoplesomestrangerssomelovedonestakehimonaclearjourneythroughhislifE.EachsoulhasastorytotellasecrettorevealandalessontosharE.ThroughthemEddielearnslessonsfindsoutwhycertaineventshappenedinhisphysicallifeandunderstandsthemeaningofhisownlifE.Thebookexplorestheunexpectedmysteriesoftheafterlifebyremindinguswhatreallymattershereonearth.Marley＆MeLifeandlovewiththeworld’sworstdogJohnandJennywerejustbeginningtheirlifetogether.TheybroughthomeMarleyayellowfur-ballofadog.LifewouldneverbethesamE.MarleycrashedthroughdoorsandatenearlyeverythinghecouldgethismoutharounD.Howeverjustasherefusedanylimitsonhisbehaviorhisloveandloyaltywereboundlesstoo.Hesharedthecouple’sjoyandheartbreak.Hewastherewheneverthecoupleneedshelp.Marley＆Meissomuchmorethanthestoryofalovabledog;it’sthestoryofafamily.TowardtheendofbookGroganspeaksofthelifelessons—loyaltycouragedevotionsimplicityjoy—thatMarleytaughthim.50.Whathappenedtothesurvivorsonthelifeboataccordingtotheintroduction?A.PimanagedtokillthoseanimalsandfinallysurviveD.B.TheyworkedhandinhandtogetthroughtheseA.C.TheyhadtofightagainstoneanotherinordertosurvivE.D.RichardParkerkilledotheranimalsbutwaskilledbyPi.51.FivePeopleYouMeetinHeaventellsanoldman'sexperienceinHeaveninordertoreveal_________.A.theexistenceofHeavenB.themysteryofdeathC.human'sfuturelifeD.thetruemeaningoflife52.WhoisGroganaccordingtotheintroduction?A.TheauthorofMarley＆Me.B.A.friendofJohnandJenny.C.Anexperttamingdogs.D.Thepreviousownerofthedog.

Wildlifefacesthreats威胁fromhabitatdestructionpollutionandotherhumanactions.Althoughprotectingwildlifemayseemtoohardattimesevensmallactionsinyourownneighbourhoodcanhelpprotectmanydifferentanimals.Herearesometipsonhowtoprotectwildlifethroughsmallactions.1.CreatewildlifefriendlyareasinyourbackyarD.WhentryingtomakeyourgardenmorebeautifulyoucanchooseplantsthatcanprovidefoodandsheltertonativewildlifE.Thiswillalsohelpcutdownonpollution.Addbirdorbathousestoyouryardorgardentoattractandshelterthesespecies.2.Avoidharmingthenaturalecosystem生态系统inyourareA.SomeplantsfromotherplacescankillorharmnativeplantsthatprovidefoodandshelterforwildlifE.3.____________Byusinglesswaterandfewerfuels燃料youwillbehelpingtoprotectthewildlifearoundyou.Takebusesorthesubwaywhenyoucanturnoffelectricdevices设备whenyou'renotusingthemtakeshortershowersandkeepyourroomtemperatureatorbelow6－8degreesduringthewinter.4.Buyproductsthatarewildlifefriendly.Don'tbuyproductsthataremadefromendangeredanimals.Keepinmind记住thatsomeendangeredanimalsarekilledbytrapscatchesorhunterswhoareafterotherwildlifewithinthesamehabitat.5.Donatemoneyortimetoorganizationsthatprotectwildlifeandtheirhabitats.YoucangivemoneytoorganizationsorgroupsthatprotectwildlifespeciesinyourneighbourhooD.31.Weinferthatthepurposeofthispassageisto________.A.telluswhyprotectingwildlifeisextremelyimportantnowB.suggestthatweprotectwildlifethroughactionsC.explainwhyprotectingwildlifeisnotashardaspeoplethinkD.giveussometipsonhowtoprotectwildlifethroughsmallactions32.WhichofthefollowingthreatstowildlifeisNOTmentionedinthepassage?A.Animaldiseases.B.Lossofhabitat.C.Pollution.D.Hunters.33.What'sthebesttitleforthethirdpoint?A.HaveagreenerlifestylE.B.Uselesswaterandfewerfuels.C.Takeabuswhenyougoout.D.TryanewkindoflifE.34.Thewritersuggeststhatwe________.A.notbuyproductsmadefromanimalsB.sharecarswithotherswhenwegooutC.growasmanykindsofplantsinourgardensaspossibleD.providesheltersforbirdsandbatsinourgardensoryards35.Inwhichsectionofanewspaperwouldyoumostprobablyreadthispassage?A.Environment.B.Teaching.C.Business.D.Geography.

HereissomeinformationfromatouristguidetoPatapscoValleyStateParkMarylandUSA.WildlifeandNatureAppreciationWhilevisitingPatapscoValleyStateParkyouwillseeavarietyofnaturalhabitats.Throughoutspringandfalldogwoodsmaplesredbudsandmanyvarietiesofwildflowerscolortheforest.AlongtheCascadeFrail小径easternhemlocksareimpressivE.Thisparkisalsohometomanysmallmammalsandbirds.Ifyoupauseduringyourjourneythroughtileforestyouarelikelytoseerabbitsgreysquirrelsbeaverswhite-taileddeerandredfox.AlongthebanksoftileriverbirdswatcherswillspotCanadageesegreenheronskingfishersandwoodducksallyearroundFishingThePatapscoRivermeandersthroughtheparkandisapopularattractionforanglers钓鱼者.TheDepartmentofNaturalResources'FisheriesServiceassignstheriverasaput-and-takefishery渔场withadultrainbowandbrowntroutinspringandfall.Anglersalsoenjoycatchingnaturallyreproducingsmallmouthandlargemouthbassbluegillredbreastsunfishandyellowperch.FishingopportunitieshavebeenspeciallysetasideatLostLakeforyouthunder16andseniors62yearsofageandolder.Thisareaisalsodesignedforanglerswithdisabilities.CampingThebeautifulwoodedsettingoftheHiltonAreaisapopulardestinationforfamilyandyouthgroupcamping.Tentsitesincludepicnictablesfireringsgrillsandaccesstoaheatedcomfortstationwithhotshowers.Enjoythepark'sballfieldsaswellasapopularrecycledtireplaygrounD.TheAreaalsohassixmini-cabinsforrent.TablesandfacilitiesforthedisabledareprovideD.Pleasecontactparkheadquartersformoreinformation.TrailsAdventureseekerswillenjoyhikingmountainbikingandhorsebackridingonthepark'spopulartrailsystem.Morethan17milesofchallengingandroughsingletracktrailsfollowtheridgessteephillsidesandstreamvalleysinthepark.Thesetrailsarealsoexcellentgatewaysforwildlifeviewingbirdwatchingandgeneralnatureappreciation.Pleaserespecttherightsofnearbyprivatepropertyownersbyusingonlyblazed有路标的trails.RememberthattheparkisanaturalareawithcertaindangerssuchaspoisonivyslipperytrailsurfacesinsectsetC.Youareresponsibleforhavingthenecessaryskillsknowledgeandequipmentforasafevisit.DiscoverHistoryAlongtheTrailEnteranothertimeasyouexplorePatapsco’strails.Layeruponlayerofhistorytellsthestoryofman’sinteractionwithnaturE.NativeAmericanhuntedgatheredandfishedhereforcenturies.Inthe1700sthevalleybecameoneoftheearliestsitesforAmerica’sIndustrialRevolution.Earlysettlerscutdowntreesforcharcoalusedtofireironfurnaces熔炉.Theriver’scurrentwasdammedandchanneledtopowerironpapergrainandtextilemills纺织厂.Townsandtobaccofarmswereestablishedthroughoutthevalley.46.Thefollowingareallnamesofplantsexcept_______.A.dogwoodsB.redbudsC.easternhemlocksD.greenherons47.WhichofthefollowingisforbiddentofishatLostLake?A.A.pupilingradesixB.A.30-year-oldwomanwithoutdisabilityC.AnoldmaninhisseventiesD.A.personinawheelchair48.Whilewalkingalongthetrailstouristsareremindedto_________.A.feedthebirdstheymeetB.visitsomeprivatebuildingsC.payattentiontoself-protectionD.protectthenaturalenvironment49.Thepassageismainlyaboutthepark's_________.A.longhistoryB.beautifulsceneryC.mainattractionsD.officialrules

Archaeologists考古学家studyingStonehengeanditssurroundingareasaythey'veduguptherelicsofanuntouchedancientcampsitethatdatesbackto6000years--afindthatcouldrewriteBritishprehistory.ThisisthemostimportantdiscoveryatStonehengeinover60yearsProfessorTimDarvillaBournemouthUniversityarchaeologistandaStonehengeexpertwhodidnottakepartinthenewdiscoverytoldtheTelegraph.AndashetoldTheHuffingtonPostinanemailthediscoverychangesearliertheoriesthatStonehengewasbuiltinalandscapethatwasnotheavilyusedbeforeabout3000B.C.ThediscoverywasmadeduringadigatBlickMeadasiteabout1.5milesfromStonehenge.Researchersfoundcharcoal木炭datingbackto4000B.C.andevidenceofpossiblebuildingsaccordingtoastatementreleasedbytheuniversity.Theyalsodugupburntstoneandtoolsaswellastheremainsofanimals--ancientcattlethatservedasfoodforancienthunter-gatherers.Theresearchersplanfurtheranalysisontheartificialobjectsbutsaythey'reworriedthetunnelconstruction隧道建设coulddamagethesiteandgetinthewayoftheirwork.BlickMeadcouldexplainwhatarchaeologistshavebeensearchingforcenturies--ananswertothestoryofStonehenge’spastDavidJacquestheUniversityofBuckinghamarchaeologistwhodiscoveredthecampsitetoldTheGuardian.ButouronlychancetofindoutabouttheearliestpartofBritain’shistorycouldberuinedifthetunnelgoesaheaD.StonehengeaprehistoricmonumentmadeupofaringofstandingstoneslieseightmilesnorthofSalisburyEnglandinWiltshire.IthasbeenlistedasaWorldHeritageSitesince1986.62.Themainpurposeofthepassageis_________A.tointroducearecentdiscoveryofancientrelicsB.tocallonpeopletoprotecttheancientrelicsC.towarntheresearchersnottodofurtheranalysisD.toattractmoretouriststovisitStonehenge63.Wecanlearnfromthepassagethat_______.A.theresearchersexpresstheirconcernthattherelicsmightberuinedB.theancientcampsitehasbeendestroyedbytheconstructionworkersC.archaeologistsarerepairingartificialobjectsfoundedintherelicsiteD.thetunnelconstructionrewritestheearliestpartofBritain’shistory64.Inwhichsectionofanewspapercanwereadthispassage?A.Travel.B.Business.C.LifestylE.D.CulturE.65.Whatmightbethebesttitleforthepassage?A.StonehengeIsInDangerofBeingDestroyedBecauseOftheFinD.B.NewStonehengeDiscoveryDescribedAsMostImportantIn60years.C.ANewTunnelIsBeingConstructedUnderStonehenge.D.StonehengeHasBeenListedasaWorldHeritageSiteSince1986.

Scientistsarewarningthatsittingforlongperiods.-evenifyoualsoexerciseregularly-couldbebadforyourhealth.Anditdoesn'tmatterwherethesittingtakesplace-justtheoverallnumberofhoursitoccurs.SeveralstudiessuggestpeoplewhospendmostoftheirdayssittingaremorelikelytobefathaveaheartattackoreventdiE..Itissuggestedthatauthoritiesshouldrethinkhowtheydefinephysicalactivitytohighlightthedangersofsitting.Whilehealthofficialshaveissuedguidelinesrecommendingminimumamountsofphysicalactivitytheyhaven'tsuggestedpeopletrytolimithowmuchtimetheyspendinaseatedposition:.Afterfourhoursofsittingthebodystartstosend'harmfulsignalsEkblom-BakhealthexpertsaiD.Sheexplainedthatgenesregulating调节theamountofglucose葡萄糖andfatinthebodystarttoshutdown.Evenforpeoplewhoexercisespendinglongperiodsoftimesittingatadeskisstillharmful.TimArmstrongaphysicalactivityexpertsaidpeoplewhoexerciseeveryday-butstillspendalotoftimesitting-mightgetmorebenefitifthatexercisewerespreadacrossthedayratherthanatatunE.OtherResearchersa[sofoundpeoplewhosatmorehadahigherdeathriskindependentlyofwhetherornottheyexerciseD.Wedon'thaveenoughevidenceyettosayhowmuchsittingisbadsaidPeterKatzmarzykwholedthestudy.Moreresearchisneededtofigureoutjusthowmuchsittingisdangerous?andwhatmightbepossibletooffset抵消thoseeffects.PeopleshouldkeepexercisingbecausethathasalotofbenefitsEkblom-BaksaiD.Butwhenthey'reintheofficeitseemsthemoreyoucangetupandinterruptthissedentarybehaviorthebetter.28.Whatisthebesttitleofthetext?A.RegularExerciseKeytoHealth.B.HowtoAvoidSittingTooMuch.C.LongSittingCouldBeDeadly.D.HowtoExercisewhileWorking.29.Howdoessittingtoomuchaffectthehumanbody?A.Itcausesphysicalpains.B.Itincreasesbodyfat.C.ItcutsdownglucosE.D.Itdisturbsgeneticfunctions.30.Whatcanwelearnfromthetext?A.Themoreexercisethebetter.B.Regularexerciseoffsetslongsitting.C.Workinginofficesdoesharmtohealth.D.There'snodefinedtimelimittositting.31.Theunderlinedwordsedentaryinthelastsentenceisclosestin.meaningto_.A.working...B.sitting.C.exercisingD.remaining

Zebrashavetheirownbugrepellent驱虫剂?Ewwbugs!Theyaresoannoying!Wehumansareluckythatwecanapplyrepellentstoavoidnastybites.Butwhat’sananimaltodo?Theyhavenochoicebuttospendtheirdaysshooingthemoffwiththeirtailsunlessofcoursetheyarezebraswhoapparentlyhavetheirownautomaticrepellent---theirstripedskin!Scientistshadoriginallythoughtthatthereasonwhytheanimalhaddevelopedtheblackandwhitelineswastohelpprotectitselffrompredators食肉动物intheAfricansavannah大草原becausethestripesmakeitdifficulttosingleoutonezebrathatistravelingwithaherD.Whilethatmaybetruethetheoryhasneverbeentestedorproven.Nowtheexpertshaveanother---thatthestripeshaveevolvedtorepeltheannoyinghorsefliesthatnotonlyfeedofftheirbloodbutalsotransmitdangerousgermsintothebodiesoftheseinnocentanimals.ThestudywasperformedbyateamofSwedishscientists.Oneofthecluesthatgotthemthinkingalongtheselineswasthefactthatdarkerhorsesgotbittenmoreoftenthanlight-coloredorwhiteones.Thefactthatzebrasarebornblackandonlydevelopstripesastheygrowoldermadethescientiststheorizethatthestripesmaybesomethingtheanimalshavedevelopedtomakethemselveslessattractivetoflies.Totestifthismaybethecasetheypaintedsomeboardsatahorse-infested寄生的horsefarminBudapestwithpatternsofblackandwhitestripesofvaryingwidthsandappliedalayerofglueonthem.Whattheynoticedwasthattheplaceswheretheblackandwhitestripeswereattheirnarrowestsimilartowhatzebrashaveattractedthefewestflies.Theyachievedsimilarresultswhentheypaintedhorseswithblackandwhitezebra-likestripes.Whiletheresearcharenotsurewhythismaybethecasetheybelieveitmaybesomethingtodowiththewayinsectsoperate---horsefliesareattractedtohorizontallypolarizedlight偏振光;sincewhitedoesnotreflectitwhitehorsesareluckierthanblackones.Butzebrasseemtobetheluckiestofall.Whentheresearchersmeasuredthepolarizedlightreflectedfromrealzebraskinstheyfoundthatitmatchedlightpatternsthatweretheleastattractivetohorseflies.Whilethistheorydoesmakelogicalsensenobodyis100percentsurethatitisreallytruegiventhatithasneverbeentestedonarealzebrA.Ifitistrueitdoesraisethequestionofwhyahorseacloserelativeofthezebrahasfailedtodevelopstripes.TheresearchersbelievethatthiscouldbebecausetherearemorehorsefliesinAfricawherezebrasresidethenanywhereelseintheworlD.TitleZebrashavetheirownbugrepellent?ReasonswhyzebrasdeveloptheirstripsOriginalbeliefWiththeblackandwhitelinesonezebraisdifficulttosingleoutwhiletravelingwithaherdthus___62.__itfromitsenemies.NewtheoryZebrasresidinginAfricawheretherearemosthorsefliesintheworldhavedevelopedstripsto___63.___beingattackeD.AstudyResearchersAteamofscientistsfrom___64.____65.___Totestifstripsaredevelopedtomakezebraslessattractivetoflies.Clues*Whiteorlight-coloredhorsesareless__66._togetbittenthandarkones.*Zebrasdevelopstripsastheygrowolderthoughbornblack.Method*Someboardsatahorsefarmarepaintedwithpatternsofblackandwhitestripesvariously___67.__alayerofglueappliedonthem.*Measuredthepolarizedlightreflectedfromrealzebraskins._68.___*Theplaceswheretheblackandwhitestripesatthenarrowestweresimilartothe__69.__zebrashaveattractedthefewestflies.*Stripsofzebrasmatchedlightpatternsthatweretheleastattractivetohorseflies.Principleofzebras’blackandwhitestripsrepellingthefliesHorizontallypolarizedlightwhichwhitedoesnotreflect___70.__tohorseflies.Conclusion___71.___testedonrealzebrasthetheoryisn’tdefinitelytruE.

Hybridcars混合动力车arecarsthatrunonpetrolandelectricity.Theyhaveasmallstandardpetrolengineandabatteryelectricmotortoprovideelectricpower.Therearesomedifferencesbetweendifferentmodelsofhybridcarsbutthegeneralprincipleisthatthecarrunsonpetrolandtheelectricmotorkicksinwhenadditionalpowerisrequiredforexamplewhengoinguphilloraccelerating.Insomehybridcarsthepetrolengineturnsitselfoffwhennotneededforexamplewhenthecarhasstoppedattrafficlightkeepingonlytheelectricenginerunning.Conventionalcarshavelargeenginestodealwithdrivinguphillandaccelerating.Hybridcarshavemuchsmallerpetrolenginesimprovedbyelectricmotorswhenneededsotheyuselesspetrol.Anotherwaythatfuelconsumptioniscutbyasystemofregenerative再生的braking.Theelectricmotorisusedtoslowdownthecarratherthanconventionalbrakes.Theenergyproducedbyslowingthecarischangedintoelectricalpowerwhichisautomaticallystoredinthebattery.IneffectthebatteryrechargeswhenyoubrakE.InconventionalcarstheenergyproducedwhenbrakingiswasteD.In1928FerdinandPorschebuiltanexperimentalhybridcar.Thefirstmass-producedhybridcartheToyotaPriuscameoutinJapanattheendof1997.HoweverhybridcarsbecameavailableintheUSAonlyin1999.Astheyuselessfuelhybridcarsarecheapertorun.Therearealsomanyvoicesinplacetoencouragepeopletobuythem.Insomecountrieshybridcarownerspayalowerrateoftaxanddon’thavetopayoncertainroads.InsomecitieshybridcarsareallowedtoparkforfreE.12.Hybridcarsconsumelessenergythanconventionalcarsbecausehybridcars.A.havelargeenginestodealwithacceleratingB.haveconventionalbrakestoslowdownthecarC.haveelectricpowertoassistwhenneededD.havenoenergyconsumptionwhenstopping13.Inregenerativebraking.A.energywastedinconventionalcarsisstoredinthebatteryB.theconventionalbrakesareusedtoslowdownthecarC.thebatterychargesitselfwhenthecarisacceleratingD.thepetrolengineisusuallyturnedoffautomatically14.FromthelastparagraphwecanlearnthatHybridcars.A.werefirstavailableintheUSAB.willgainmorepopularityC.freetheirownersfromtaxD.arefreetoparkanywhereinthecity15.Themainpurposeofthistextisto.A.showhowhybridcarsslowdownB.encouragepeopletobuyhybridcarsC.informpeopleofakindofenergy-savingcarsD.explainwhyhybridcarsuselessenergy

Caffeinenotonlygivesusadailyjumpstartbutnewresearchsuggestsitalsocanstrengthenlong-termmemory.AccordingtotheUSFoodandDrugAdministrationnearly90percentofpeopleworldwideconsumeabout200milligramsofcaffeineeachday.That'sequivalenttoaboutonestrongcupofcoffeeaday.WritinginNatureNeuroscienceJohnsHopkinsUniversityresearcherssaytheirfindingsshowthatcaffeinestrengthenscertainmemoriesforupto24hoursafterbeingtakenin.We'vealwaysknownthatcaffeinehascognitive-enhancingeffects促智效果butitsparticulareffectsonstrengtheningmemoriesandmakingthemresistanttoforgettinghasneverbeenexaminedindetailinhumanssaidseniorauthorofthepaperMichaelYassA.Were-portforthefirsttimeaspecificeffectofcaffeineonreducingforgettingover24hours.Conductingadouble-blindtrialtheresearchersworkedwithatestgroupofpeoplewhodidn'tregularlyconsumecaffeinatedproducts.Fiveminutesafterstudyingaseriesofimagesthetestsubjectsweregiveneitheraplacebo无效对照剂ora200-milligramcaffeinetablet.Tocheckthecaffeinelevelsoftheirtestsubjectstheresearchteamtooksalivasamples唾液样品fromthembeforetheytooktheirtabletsandagainonethreeand24hoursafterwards.Bothgroupsoftestparticipantsthosewhotooktheplaceboandthosewhotookthecaffeinetabletweretestedthefollowingdaytoseeiftheycouldrecognizetheimagesthey'dseenthepreviousday.Thetestincludedshowingthetestsubjectsanotherseriesofimagesthatincludedsomenewimagesthosethatwereshownthepreviousdayaswellasotherimagesthatweresimilarbutnotthesameasthosetheyhadviewedearlier.TheresearchersfoundthatmoremembersofthegroupwhoweregiventhecaffeinetabletswereabletocorrectlyidentifysomeofthenewimagesassimilartopreviouslyviewedimagesratherthanincorrectlyidentifyingthemasthesamE.Wealsoknowthatcaffeineisassociatedwithhealthandlongevity长寿andmayhavesomeprotectiveeffectsfromcognitivedeclinelikeAlzheimer'sdisease阿尔茨海默症.saidYassA.29.Thepurposeofthenewresearchis____________.A.toexaminecaffeine'smemory-strengtheningeffectsindetailB.towritethepaperNatureNeuroscienceC.toprovecaffeinehascognitive-enhancingeffectsD.tosurveyhowmuchcaffeinepeopleconsumeaday30.DuringtheresearchtheresearchersdidthefollowingthingsEXCEPT________.A.givingthetestsubjectsplacebosorcaffeinetabletsB.checkingthecaffeinelevelsofthetestsubjectsC.showingthetestsubjectsseriesofimagesD.encouragingthetestsubjectstodrinkmorecoffee31.Howdidthetestsubjectsshowthecaffeine'smemory-strengtheningeffects?A.Bytakingthecaffeinetabletsinsteadofplacebos.B.Byrecognizingimagesthey'dseenthepreviousday.C.ByidentifyingthenewimagesasthesamE.D.Bytellingthedifferencesbetweennewimages.32.Whatwillthenextpartofthetextpossiblytalkabout?A.Waystoachievehealthandlongevity.B.TheharmfuleffectsofcognitivedeclinE.C.ThetreatmentforAlzheimer'sdiseasE.D.Theeffectscaffeinehasonhealth.

Maybeyoudon’tthinkanimalshavecertainmentalpowerswhichhumanbeingsdonothavE.ButthetruthisthatsomeofthemhaveinstinctsandbesidesthisIamsuretheycanfeelcertainthingswehumanscannot.A.personalexperienceshowedmethis.SomeyearsagoIhadadognamedHowarD.FromthetimewhenhewasapuppyhewastimidsowenamedhimHowardsoundinglikecoward!Hewasespeciallyafraidofthunderstorms.AtthefirstflashoflightningorcrashofthunderhewouldrunwhiningintohishouseandhideunderatablE.IoftenwentforawalkwithHowarD.Onceaswewerewalkingalongaroaditbegantorain.Iquicklyrantoabusstopforshelter.Thebusstophadaroofsupportedbymetalpoles.SoonafterIhadgotthereHowardcaughtmytrousersinhisteethandtriedtopullmeaway.AtfirstIwaspuzzledandalittleangryathisbehavior.ButIdecidedtohumorhimandwalkedawayfromtheshelterintotherainandstartedtogohomE.WhenIwasabouttwohundredmetresfromthesheltertherecameaflashoflightningandsoonaftertherewasthunderwhichnearlydeafenedmE.Howardstoppedwalkingandbeganwhining.ThinkinghewasafraidIbenttopickhimup.AsIstraightenedupIglancedatthebusshelterwehadjustleft.Iwasshockedtoseethattwoofthepoleswerebentandtheroofwaslyingonthegroundbroken.Theshelterhadbeenstruckbytheboltoflightning!21.TheauthornamedhisdogHowardmainlybecauseof_______.A.histimidcharacteristicB.oneoftheauthor’sfriendsHowardC.hisloudsoundD.hisstrangebehaviors22.Thereasonwhytheauthorwaspuzzledandangrywiththedogwasthat.A.HowardhadastrangebehaviorB.HowardshouldbeafraidofthemetalpolesC.HowardshouldknowtheapproachingoftheterriblelightningD.Howardbithistrousersinhisteeth23.Whichofthefollowingistrueaccordingtothepassage?A.Dogsareclevererandbetterthanmen.B.Dogsareusuallyafraidofthunderstorms.C.Someanimalscanfeelcertainthingshumanscannot.D.Dogsarenaturallybornheroes.24.Whatcanbeinferredaboutthebusshelterfromthepassage?A.Itwasabout200metersfromtheauthor’shomE.B.Itwasdestroyedinarainyday.C.Itsroofwassupportedbywoodpoles.D.Itcouldproduceblindingflashoflightning.

Electriccarsaredirty.Infactnotonlyaretheydirtytheymightevenbemoredirtythantheirgasoline-poweredcousins.PeopleinCalifornialovetotalkaboutzero-emissions排放vehiclesbutpeopleinCaliforniaseemtobecluelessaboutwhereelectricitycomesfrom.Powerplantsmostlyusefiretomakeit.Asidefromthefewfolkswhohavetheirroofscoveredwithsolarcellswegetourelectricityfromgenerators发电机.Generatorsarefueledbysomething—usuallycoaloilbutalsobyheatgeneratedinnuclearpowerplants.Thereareafewwindfarmsandgeothermal地热的plantsaswellbutbyfarwegetelectricitymainlybyburningsomething.Inotherwordsthosezero-emissionscarsarelikelycoal-burningcars.It'sjustbecausethecoalisburnedsomewhereelsesoitlooksclean.Itisnot.It’sasiftheCaliforniagreensarecoveringtheireyes—IfIcan’tseeitit’snothappening.Gasolineisanunbelievablyefficientwaytopoweravehicle;agallonofgashasalotofenergyinit.Butwhenyoutakethatgasoranotherfuelandfirstuseittomakeelectricityyouwasteanicepartofthatenergymostlyintheformofwastedheat—atthegeneratorthroughthetransmissionlinesetc.Agallonofgasmaypropelyourcar25miles.Buttheelectricityyougetfromthatgallonofgaswon'tgetyounearlyasfar—soelectriccarsburnmorefuelthangas-poweredones.Ifourelectricitycamemostlyfromnukesorgeothermalorhydroorsolarorwindthenanelectriccartrulywouldbeclean.Butforpoliticaltechnicalandeconomicreasonswedon’tusemuchofthoseenergysources.Inadditionelectriccars’batterieswhicharepoisonousforalongtimewilleventuallyendupinalandfill垃圾andfinallywhencarsarethepollutersthepollutionisspreadacrossalltheroads.Whenit’sapowerplantthoughallthejunkisinoneplace.Natureisverygoodatcleaningupwhenthingsarenottooconcentratedbutittakesalotlongerwhenallthegarbageisinonespot.25.Whatisthemainideaofthepassage?A.ElectriccarsarenotcleanatallB.Electriccarsarebetterthangasoline-poweredonesC.Peoplehavedoubtsaboutelectriccars’batteriesD.Gasolineisaneffectivewaytopoweravehicle26.Theunderlinedwordsbecluelessmean___________A.knownothingB.haveconfidenceC.feelexcitedD.bepleased27.Theelectricitywegetfromagallonofgasmaymakeourcarrun________A.notlessthan25milesB.asfaras50milesC.asfaras25milesD.notmorethan25miles28.Accordingtothepassageelectriccars__________A.aremoreenvironmentallyfriendlyB.burnmorefuelthangas-poweredonesC.areverygoodatcleaningupD.arepoisonousforalongtime

iPhoneownersarevainerandspendmoreonclothesandgrooming仪容thanthosewhohaveBlackBerrysandAndroidphonesnewresearchclaims.BlackBerryownersearnthemostandaremorelikelytohavelong-termrelationshipswhilepeoplewithAndroidhandsetsaremostcreativeandthebestcooks.ThestudycarriedoutbyTalkTalkMobilesurveyed2000ownersofthethreemajorsmartphonebrandstodeterminewhetherthechoiceofhandsetwasanextensionoftheirpersonality.Thestudyratedusersinvariouswalksoflifeusingapointscoringsystemincludingpersonalitiesdailyhabitsandthetypeofindustriestheyworkin.OtherresultsfromthestudyfoundthatpeoplewithaniPhonearemoreimageconsciousandgenerallyratethemselvesmoreattractivethanthosewithotherhandsets.Theyaremostlikelytodescribethemselvesasadventurousbrightandaremostlikelytoworkinmediapublishingandeducation.Theyalsobelievetheirbossratesthemhighly.Appleownersalsotendtohavedonemoretravellingandarethemostactiveonsocialmediasites.BlackBerryownerswerefoundtobetheleastpunctualbutdespiteputtingintheleasthoursatworktheyarethemostactivephoneuser—sendingmoretextsandmakingmorecallsintheaveragedaythananyotherphoneuser.Theyaremoresocialandhavemorefriendsoverall.Theyalsoearnnearlytwoandahalfthousandpoundsayearmorethanothersmartphoneownerswithanaveragesalaryof$27406.BlackBerryusersclassedthemselvessoloudandmainlyworkinthehealthfinanceorpropertysectors.Theywerealsofoundtodrinkmoreteaandcoffeeeachdaythananyotherphoneuser.AndroidownerswerefoundtowatchmoreTVthanothersanddrinkthemostalcohol—consumingmoreinanaverageweekthaniPhoneandBlackBerrydrinkers.Theyhavethemostjobsinengineeringthegovernmentandpublicservicesandenvironmentalservices.Theyhavethebestmannersandaremoreshyandrelaxedthantheircounterparts.DanMeaderDirectorofMobileatTalkTalksaidManyofushaveourmobilephonesonusalmostconstantlysotheydobecomeanextensionofusinmanyways.It’sinterestingtoseethenhowthechoiceinhandsetmayreflectdifferentaspectsofpersonalityandtheresultsdoshowsomeunusualdifferences.32.TheunderlinedwordsimageconsciousParagraph4meancaringabout________.A.incomeB.appearanceC.socialmediaD.interpersonalrelationships33.WhatwereAndroidusersfoundtobelike?A.LouD.B.BravE.C.PolitE.D.Confident.34.DanMeadermayagreethatthekindofmobilephoneweuse________.A.willdecidethewayweliveourlifeB.canbeawindowintothelivesweleadC.canchangeourpersonalitiesgraduallyD.hasbecomethemostimportantpartofourlife35.Howisthetextorganized?A.Bydrawingcomparisons.B.Bygivingreasonsonly.C.Byprovidingexamples.D.Bygivingsolutions.

WelcometoAdventureland!EveryonelovesAdventureland!TheParksandExhibitionswerebuiltforyoutoexploreenjoyandadmiretheirwonders.EveryvisitwillbeanunforgettableexperiencE.Youwillgoawayenrichedlongingtocomeback.Whatareyougoingtodothistime?TheTravelPavilionExploreplacesyouhaveneverbeentobeforeandexperiencedifferentwaysoflifE.VisittheAmazonjunglevillagetheTurkishmarkettheTaifloatingmarkettheBerbermountainhouseandothers.TalktothepeopletherewhowilltellyouabouttheirlivesandthingstheymakE.YoucantrymakingacarpetmakingnetsfishingTheFutureTowerThisexhibitionshowshowprogresswilltouchourlives.Itallowsustolookintothefutureandexplorethecitiesofthenextcenturyandthewaywe’llbelivingthen.Spendsometimeinourspacestationandclimbintooursimulator模拟装置fortheJourneytoMars!TheNatureParkThisisnotreallyoneparkbutseveral.IntheSafariParkyoucandriveamongAfricananimalsinoneofourRangeCruisers:seelionsgiraffeselephantsinthewilD.MoveontotheOceanParktowatchthedolphinsandwhales.AndthenthereisstilltheAviarytoseeThePyramidThisisthecenterofAdventurelanD.Runoutoffilmneedsomepostcardsandstamps?Forallthesethingsandmanymorevisitourundergroundshoppingcenter.Comehereforinformationandideastoo.29.TheTravelPavilionisbuilttohelpvisitors.A.realizetheimportanceoftravellingB.becomefamiliarwithmountaincountriesC.learnhowtomakethingssuchasfishingnetsD.learnsomethingaboutdifferentplacesintheworld30.Ifyouareinterestedinknowingaboutwhatpeople’slifewillbeyoumayvisit.A.TheTravelPavilionB.TheFutureTowerC.TheSafariParkD.ThePyramid31.Ifyouwanttogetatoyliontotakehomewherewillyoumostlikelygo?A.ThePyramiD.B.TheNaturePark.C.TheFutureTower.D.TheTravelPavilion.

Ifyouarelookingforacreativesolutiontoapieceofworkoraschoolassignmentdon’tlockyourselfupinaquietroom.Anewstudysuggeststhatmoderatebackgroundnoiseisabetterspur动力tocreativethinkingthanthesoundofsilenceTimemagazinereporteD.ApaperpublishedintheJournalofConsumerResearchsaysthattheperfectworkingenvironmentshouldbuzz嗡嗡作响withalittlenoisE.Researchersfoundthattestsubjectswereattheirmostcreativewhenbackgroundnoisewasmeasuredat70decibelsthelevelonemightfindinabusycoffeeshop.Anearlysilentenvironment50decibelswastooquiet.Turningupthevolumeto85decibelsajackhammertearingupthepavementoutsideyourbuildingwascounterproductive达不到预期目的-thenoisebecameadistraction.Theresearchersasked65studentsattheUniversityofBritishColumbiaCanadatoperformvariouscreativetaskswhilenoisesrecordedataroadsiderestaurantwereplayedinthebackgrounD.Inoneexperimentscientistsaskedparticipantstobrainstormideasforanewtypeofmattress气垫.TestsubjectshadthemostsuccessfuldiscussionswhenthenoiseinthebackgroundwasnoticeablebutnottoolouD.Whileaquietenvironmentmaymakeiteasiertoreadabooktheauthorsofthestudysaythatmoderatebackgroundnoisecreatesjustenoughofadistractiontoforcepeopletothinkmoreimaginativelywithoutbreakingtheirfocussocompletelythattheycan’tthinkatall.ShouldweallheadforStarbuckstogetcreative?Notnecessarily.Researchersfoundlimitedworktimesurroundedbythelow-levelnoiseofacoffeehouseiswhatreallystimulatescreativity.Equallyworkinginacareenvironmentisn’tgoodforeverybody.Theproductivityboostwasmostobviousamongthosewhowerenaturallycreativetobeginwith.33.Therecommendedlevelofbackgroundnoiseis__________.A.50decibelsB.65decibelsC.70decibelsD.85decibels34.Whyismoderatebackgroundnoisegoodforcreativity?A.Itpushespeopletousetheirimaginationbutdoesn’treachalevelthatdisturbsthem.B.Itcanhelppeopletofocusonasubject.C.Itcanabsorbsuddennoisesthatcausedistraction.D.ItrelaxespeopleandstopsthemfromgettingboreD.35.Whichbestdescribesthewriter’stoneinthepassage?A.NegativE.B.ObjectivE.C.EnthusiastiC.D.Doubtful.

EarthquakeshappenallthetimE.TheyarecommoninnaturemakingsoundsbelowEarth’ssurfacethousandsoftimeseveryday.Butmajorearthquakesarelesscommon.Herearesomethingstodotoprepareforanearthquakeandwhattodooncethegroundstartsshaking.SafetyTipslHaveanearthquakereadinessplan.lConsult咨询aprofessionaltolearnhowtomakeyourhomesturdiersuchasfixingbookcasestothewallusingstronglocksoncupboardsandfixingthewaterheatertothewallfirmly.lLocateaplaceineachroomofthehousethatyoucangotoincaseofanearthquakE.Itshouldbeaspotwherenothingislikelytofallonyou.lKeepasupplyofcannedfoodanup-to-datefirstaidbox3gallons11.4litersofwaterperpersondustmasksandgoggles护目镜andaworkingbattery-operatedradioandflashlights.lKnowhowtoturnoffyourgasandwatermains.IfShakingBeginslDropdown;takecoverunderadeskortableandholdon.lStayindoorsuntiltheshakingstopsandyou’resureit’ssafetoexit.lStayawayfrombookcasesorfurniturethatcanfallonyou.lStayawayfromwindows.Inahigh-risebuildingexpectthefirealarmsandsprinklers洒水车togooffduringaquakE.lIfyouareinbedholdonandstaythereprotectingyourheadwithapillow.lIfyouareoutdoorsfindaclearspotawayfrombuildingstreesandpowerlines.DroptothegrounD.lIfyouareinacarslowdownanddrivetoaclearplacE.Stayinthecaruntiltheshakingstops.48.Ifthegroundisshakingoneisadvisedtostay______.A.inthestudyfullofbookshelvesB.inthekitchenwithabottleofgasC.inthebedroomwithtwobedsD.inthediningroomwithcupboards49.Whatshouldpeopledowhileathomeifshakingbegins?A.Trygettingoutassoonastheycan.B.Standupandcallforhelpimmediately.C.HidethemselvesbehindthefurniturE.D.Waitforthepossiblechancepatiently.50.Thepassageislikelytoappearina______.A.biographyB.historypaperC.fashionmagazineD.safetyhandbook

ThebrainratherthanoureyesmaybemoreimportantforsightresearchersstudyingfruitflieshavediscovereD.Thediscoverycouldchangethewaywethinkaboutvision视力.ResearchersintheUniversityofVirginiahavefoundthattheverysimpleeyesoffruitflylarva幼虫withonly24totalphotoreceptors感光细胞thehumaneyecontainsmorethan125millionprovidejustenoughlightinputtoallowtheanimal’slargebraintomakethatinputintoimages.Theirdiscoveryshowsthatvisionmaybelessimportanttoseeingthanpreviouslythought—andinfactitisthebrain’sabilitytoprocess处理加工pointsoflightintocompleximagesthatiskey.Itblowsopenhowwethinkaboutvision.saidBarryCondron.Thistellsusthatvisualinputmaynotbeasimportanttosightasthebrainworkingbehindit.Condron’sgraduatestudentsElizabethDaubertNickMacedoniaandCatherineHamiltonconductedaseriesofexperimentstotestthevisionoffruitflylarvaE.Theyfoundthatwhenalarvawastiedtothebottomofadishotherlarvaewereattractedtoitasitattemptedtofreeitself.Afterseveralfurtherexperimentstounderstandhowtheysensedthemotiontheresearcherslearnedthatthenearlyblindanimalslikelywereseeingtheaction.Theanswermustbeinthebrainoftheseanimals.CondronsaiD.Theyareabletotakejustacoupledozenpointsoflightandthenprocessthatintorecognizableimages;somethinglikewhenanastronomerwithasmalltelescopeisabletousetechniquestoimprovealimitedimageintousefulinformationaboutastar.Condronbelievestheanimalsareabletoassembleusefulimagesbyrapidlyscanningtheirheadsandindoingsogatherupenoughlightpointstoallowthebraintocomposeanimageclearenoughtosee.Theresearcherstestedthisbypresentinglarvawithavideothereforenosoundandnosmellandfoundthatthelarvaestillsensedandsoughtoutthestrugglinglarvaonthevideo.Thisprovidesuswithagoodmodelfortryingtounderstandtherolethatthebrainplaysinhelpingorganismsincludinghumanstoprocessimagessuchasrecognizingfaces.63.Thewritermainlywantstotellusthat________.A.thebrainmaybemoreimportantforsightthanpeoplethoughtB.peopleshoulddependonbrainratherthaneyesforsightC.usingthefruitflylarvatotesttheeyesisthebestwayD.somemethodscankeepoureyesightaccurateandnormal64.CondronusedtheexampleofanastronautwithasmalltelescopeinPara5toshow_____.A.howthelarvaegatherupenoughlightpointsB.whythelarvaemovedtheirheadsside-to-sideC.howwecangetusefulinformationaboutastarwithasmalltelescopeD.thebrainhelpsprocessthelightpointsintoimages65.Whyisavideousedbytheresearchers?A.Becauseitisabletoprovidecertainsoundandsmell.B.Becauseithelpstounderstandthepartthebrainplays.C.BecauseitturnsvisualinputsintoacompletepicturE.D.BecauseitmakesthelarvaeseekoutthestrugglinglarvA.66.Theunderlinedwordassembleinthefifthparagraphmaymean_________.A.observeenoughactionsB.receiveusefulinformationC.chooseproperequipmentD.puttogetherseparateparts

Theyarethelittlesweetieswholookprettycuteinaphotoorwhensleeping—butalotlessappealingat30000ftcryingloudlyintheseatrightnexttoyou.AccordingtoanewsurveyalmostsevenintenBritonsdislikeflyingwithbabiessomuchthattheywouldliketoseechild-freeareasintroducedonplanes.Asforlong-distanceflightswherepeoplewanttosleepalmostoneinfourBritishtravelersbelievesthatno-kid-zonesshouldbefixedasrequiredsections.ThesurveywasconductedbybookingswebsiteLateDeals.co.ukwith1108UKconsumersquestionedastowhattheyhatemostaboutairtravel.Andourdislikeofnoisychildrenandbabiesonplanesrunsdeepitseems.Morethanathirdofus—35percent—wouldpayextratotravelonachildlessservice.Long-distancepassengerswouldbepreparedtopayanadditional￡63tothecostofareturnticketifitmeantadultsonlyonboard.Andonshort-distanceflightsanextra￡28onthepriceofareturnfarewouldbeconsideredgoodvalueifitguaranteedanabsenceofangrybabiesinthemiddleoftheeconomy-classaisle走道.HoweverscreamingbabiesarenottheonlysourceofannoyanceforBritishtravelers.Infactaccordingtotheresearchonthemostannoyingtypesofairlinepassengersacryingbabyranksasonlythefourth.Overhalfofthosesurveyed—58percent—selecteddrunktravellersastheirpetpeeves令人反感的事或物.Peoplewithbadpersonalhygiene卫生andtravellerswhokickthebackoftheseatinfrontwerealsonearthetopofthelistcausingangerto48and47per-centofusrespectively分别地.Cryingbabiescameinatfourthonthelistapetpeevefor43percentofthosesurveyed.28.Britonsdislikeflyingwithbabiesbecausethey_________.A.maketoomuchnoiseB.getangryeasilyC.sleeprightnexttothemD.stayintheeconomy-classaisle29.HowmanyBritishtravellerssurveyedwouldliketohaveno-kid-zonesonplanes?A.About35％.B.About43％.C.About70％.D.About58％.30.WhatkindofpassengersismostdislikedbyBritishairlinetravellers?A.Thecryingbabiesonaflight.B.Peoplewithbadpersonalhygiene.C.Thosewhohavedrunktoomuchalcohol.D.Thosewhokickthebackoftheseatinfront.31.Whattypeofwritingisthistext?A.A.brochurE.B.A.touristguidE.C.Anannouncement.D.A.newsreport.

Theelephantwaslyingheavilyonitssidefastasleep.A.fewdogsstartedbarkingatit.Theelephantwokeupinaterribleanger:itchasedthedogsintothevillagewheretheyranforsafety.Thatdidn'tstoptheelephant.ItdestroyedadozenhousesandinjuredseveralpeoplE.Thevillagerswerescaredandangry.ThensomeonesuggestedcallingParbatitheelephantprincess.ParbatiBarua'sfatherwasahunteroftigersandanelephanttamer.HetaughtParbatitorideanelephantbeforeshecouldevenwalk.Healsotaughtherthedangerousartoftheelephantround-up–howtocatchwildelephants.Parbatihasn'talwayslivedinthejunglE.Afterahappychildhoodhuntingwithherfathershewassenttoboardingschoolinthecity.ButParbatinevergotusedtobeingthereandmanyyearslatershewentbacktoheroldfifE.Lifeinthecityistoodull.Catchingelephantsisanadventureandtheexcitementlastsfordaysafterthechaseshesays.ButParbatidoesn'tcatchelephantsjustforfun.Myworkshesaysistorescuemanfromtheelephantsandtokeeptheelephantssafefromman.AndthisisexactlywhatParbatihasbeendoingformanyyears.IncreasinglytheIndianelephantisangry:formanyyearsillegalhuntershaveattackeditanditshomeinthejunglehasbeenreducedtosmallpiecesofland-Itisnowfightingback.WheneverwildelephantsenterateagardenoravillageParbatiiscalledtoguidetheanimalsbacktothejunglebe-foretheycankill.Theworkofanelephanttameralsoinvolvesloveanddevotion.A.goodelephanttamerwillspendhoursadaysinginglovesongstoanewlycapturedelephant.Eventuallytheygrowtolovetheirtamersandneverforgetthem.Theyarealsomoreloyalthanhumansshesaidassheclimbeduponeofherelephantsandsatondiegianthappyanimal.Anelephantprincessindeed!21.ForParbaticatchingelephantsismainlyto__A.getlonglastingexcitementB.keepbothmanandelephantssafeC.sendthembacktothejungleD.maketheangryelephantstame22.BeforeParbatistudiedinaboardingschoolA.shespenthertimehuntingwithherfatherB.shelearnedhowtosinglovesongsC.shehadalreadybeencalledanelephantprincessD.shewastaughthowtohunttigers23.Indianelephantsaregettingincreasinglyangryandtheyrevengebecause___A.theyarecaughtandsentforheavyworkB.illegalhunterscapturethemandkillthemC.theyareattackedandtheirlandgetslimitedD.dogsoftenbarkatthemandchasethem24.ThepassagestartswithanelephantstoryinordertoexplainthatinIndia______.A.peopleeasilyfallvictimtoelephants'attacksB.theman-elephantrelationshipisgettingworseC.elephanttamersareinshortsupplyD.dogsareaspowerfulaselephants

Alotofpeopleareafraidspiders—eventhesmallones.Butabigtarantula鸟蛛ismuchmoreterrifyingformany.NowscientistsinSriLankahavediscoveredahugespeciesoftarantulathat’saboutthesizeofaperson’sfacE.Thefirstpartofthespider’sscientificnamePoecilotheriarajaeicomesfromtheGreekwordsforspottedpoikilosandwildbeasttherion.ItsspeciesnamerajaeicomesfromalocalpoliceofficerwhohelpedtheteamthatdiscoveredthecreaturE.Poecilotheriarajaeihas8-inchlonglegsandunusualspotscoloredgraypinkandyellow.Althoughitisverybigistherearealreasontobeafraidofone?MaybE.Thistarantulahasenoughpoisonousfluidtokillmiceandsmallbirdsandsnakes—butitsbitewouldn’tcausethedeathofmosthumans.Poecilotheriarajaeiwasfirstseenin2009whenavillagerinSriLankafoundthebodyofamaleandbroughtittoRanilNanayakkaraco-founderofSriLanka’sBiodiversityEducationandResearchorganization.Anexaminationoftheawesomecreatureprovedthatitwasatypeoftarantulascientistshadn’tseenbeforE.SoNanayakkaracarefullylookedthroughtheSriLankanforeststotrytofindmoreofthespiders.It’sstilltooearlytoknowwhetherthisspeciesisendangereD.Butresearchersfearthatthetarantulas’naturalhabitatisslowlybeingdestroyeD.TheypreferoldtreesbutduetothewidespreadremovaloftreesthenumberhasdroppedNanayakkarasaidinaninterview.Tarantulashaveeightlegsandtwobodyparts.Theyaredifferentfrominsectswhichhaveonlysixlegsbutthreebodyparts.Tarantulashavehairybodiesandareusuallylargerthanothertypesofspiders.Somespeciesoftarantulascanliveupto25years.WhilePoecilotheriarajaeiisverybigthelargesttarantulaistheGoliathbird-eaterTheraphosablondi.FoundintherainforestsofSouthAmericaitslegscanbeupto10incheslong.Butdon’tworryifyoueverseeone:Itspoisonousfluidisn’treallydangeroustohumans.39.AccordingtothetextPoecilotheriarajaei_______.A.hasuniquespotsB.ismostlyyellowC.has10-inchlonglegsD.wasfirstseenbytheGreeks40.WhichofthefollowingismostlikelytosurviveabitefromPoecilotheriarajaei?A.A.littlegirl.B.A.smallbirD.C.A.bigmousE.D.A.smallsnakE.41.ThenumberofPoecilotheriarajaeihasdroppedbecause_________.A.theglobalclimatehaschangedB.theyhavetoomanynaturalenemiesC.somepeoplearekillingthemillegallyD.moreandmoreforestsaredisappearing42.Whichsectionofanewspaperisthetextmostprobablytakenfrom?A.LifE.B.NaturE.C.SciencE.D.Business.

Thebiggestdangerfacingairlinesnowadaysmaynotbeaterroristwithagunbutthemanwithportablecomputerinbusinessclass.Inthelast16yearspilotshavereportedwellover100incidentsthatcouldhavebeencausedbyelectromagneticinterference电磁干扰.Thesourceofthisinterferenceremainsnotprovedbutincreasinglyexpertsarepointingtheblameatportableelectronicdevicessuchasportablecomputersradioandcassetteplayersandmobiletelephones.RTC.Aanorganizationwhichadvisestheaviation航空industryhassuggestedthatallairlinesbansuchdevicesfrombeingusedduringcriticalstagesofflightparticularlytake-offandlanding.Someexpertshavegonefurthercallingforatotalbanduringallflights.Currentlyrulesonusingthesedevicesareleftuptoindividualairlines.Andalthoughsomeairlinespreventpassengersfromusingsuchequipmentduringtake-offandlandingmostareunwillingtocarryoutatotalbangiventhatmanypassengerswanttoworkduringflight.Thedifficultyispredictinghowelectromagneticfieldsmightaffectanaircraft'scomputers.Expertsknowthatportabledevicessendoutradiationwhichaffectsthosewavelengthswhichaircraftusefornavigationandcommunication.Butbecausetheyhavenotbeenabletoreproducetheseeffectsinalaboratory.theyhavenowayofknowingwhethertheinterferencemightbE.dangerousornot.Thefactthataircraftmaybefragiletointerferenceraisestheriskthatterroristsmayuseradiosystemsinordertodamagenavigationequipment.Asworryingthoughisthepassengerwhocan'theartheinstructionstoturnoffhisradiobecausethemusic'stoolouD.12.Whatissaidabouttheover100aircraftincidentsinthepast16years?A.Theymayhavebeencausedbythedamageto-theradiosystems.B.Theywereprovedtohavebeencausedbythepassengersportablecomputers.C.TheyweresuspectedtohaveresultedfromelectromagneticinterferencE.D.Theymayhavetakenplaceduringtake-offandlanding.13.Whyisitdifficulttopredictthepossibleeffectsofelectromagneticfieldsonanairplane'scomputers?A.BecauseitisextremelydangeroustoconductsuchresearchonanairplanE.B.Becauseresearchscientistshavenotbeenabletoproducethesameeffectsinlabs.C.Becauseitremainsamysterywhatwavelengthsareliabletobeinterferedwith.D.Becauseexpertslackadequateequipmenttodosuchresearch.14.Fewairlineswanttoperformatotalbanontheirpassengersusingelectronicdevicesbecause_______A.theydon'tbelievethereissuchadangerasradiointerferenceB.theharmfuleffectofelectromagneticinterferenceisyettobeprovedC.mostpassengersrefusedtotakeaplanewhichbanstheuseofradioandcassetteplayersD.theyhaveothereffectivesafetymeasurestofallbackon15.Thepassageismainlyabout_________.A.apossiblecauseofaircraftincidentsB.anewruleforallairlinesC.effectivesafetymeasuresforairflightD.thedisadvantagesofelectronicdevices

Aseverycomputerownerknowswhentheirmachinesrunacomplexprogramtheygetprettyhot.Infactcoolingtheprocessorscanbeexpensiveespeciallywhenyou'redealingwithhugebanksofcomputerservers.Butwhatifthatenergycouldheatprivatehomes?A.Dutchenergyfirmaimstodojustthat.DatacentersoflargeInternetfirmssuchasGoogleAppleMicrosoftandotherscontainthousandsofcomputerservers.AstheyprocessinformationtheygenerateenormousamountsofheatrequiringcoolingtowersthatdissipateitintotheatmospherE.ADutchfirmthinkspayingforelectricitytoruntheserversandthenpayingagaintocoolthemisawasteofenergy.BoazLeupeCEOofthestart-upNerdalizesaysit’sactuallyquitesimplE.Wedon'tactuallyhavetobuildthedatacenterwhichsavesalotofcostsininfrastructureandwedon'thavethecoolingoverheadplusthatyouhavetheenvironmentalbenefitthatthekilowatthouryouareusingisusedtwiceoncetoheatthehomeandoncetocomputetheclientstaskwithoutthecoolingoverheadsaysLeupE.Thecompanydevelopedwhatitcallsane-RadiatoracomputerserverthatalsoworksasanalternativeheatingsourcE.LeupesaysthatfiveDutchhomeownersareexperimentallyusingthemintheirhomes.Wereimbursetheelectricitytheserverusesandthatwecandobecauseofthecomputerclientsontheothersideandinthatwayhomeownersactuallygetheatingforfreeandcomputerusersdon'thavetopayfortheoverheadofthedatacentersaysLeupE.Oneoftheparticipantsintheyear-longexperimentJanVissersaystheamountofheatproducedbye-Radiatordependsontheworkbeingdonebytheserver’sprocessorssoitcannotbeusedastheprimarysourcE.Butheisreadytotryit.Ifitgivesgoodenoughwarmthyoucanuselessofyourexistingcentralheatingandthereisthechanceforahomeownertopaylessbills.Nerdalizesayse-Radiatorsgeneratetemperatureofupto55degreesCelsiusandcouldsaveupto$440inannualheatingcosts.43.WhichoneistrueaccordingtothepassageA.Itisexpensivetodealwithhugebanksofcomputerservers.B.ADutchenergyfirmattemptedtoheatprivatehomes.C.Computerserversgeneratelargequantitiesofheat.D.Thecoolingtowerisawasteofenergy.44.Theunderlinedphraseoverheadinthethirdparagraphprobablymeans______.A.dailycostB.fixtureC.foreheadD.method45.WhatisNOTtrueaboute-Radiatoraccordingtothepassage?A.ItisacomputerserverusedasanalternativeheatingsourcE.B.Ithasbeenlaunchedontothemarket.C.Itisenvironmentallyfriendly.D.Itcansaveusers’money.46.Whichofthefollowingcanbethebesttitleforthepassage?A.ANewKindofDataServersB.DataServersCouldHeatPrivateHomesC.HowtoHeatthePrivateHomeswithComputersD.AnAlternativeHeatingSource

Howlonghas3-Dtechnologybeenaround?Mostofusmightthinkofcrowdsofteenagersina1950’smoviehousewatchingBwanaDevilin3-D.But3-Dtechnologymadeitsfirstappearanceonthescenein1838withthefirststereoscope体视镜.Andthefirstactual3-Dmoviewasa1903filmcalledLeAriveed’unTrain.Althoughithassuchalonghistorythetechnologyhasstillremainedbasedononesimpleprinciple-----tomake3-DeffectsyoumustfindawaytoprojecttwoslightlydifferentpicturestoeacheyE.Modern3-Dtechnologyworksbyrapidlyflickering闪动twoversionsofthemovieandprojectingthemontoeacheyE.Thebraindoestherestoftheworkcombiningthetwopicturestogetherintooneandgivingtheshowtheappearanceofdepththethirddimension.Butdoesthisexposureespeciallylongexposurescauseharmtothechild’sdevelopingbrainandvisualsystem?Unfortunatelylong-termstudiesonnewflickerdigital3-Dtechnologyandchildrenaren’tyetavailablE.Wedonotknowifregularordaily3-Dviewingoveryearsaffectsthedevelopingvisualsystemalthougholder3-Dmethodsbasicallydothesamethingandarenotconsideredharmful.Thequestionofpossibleharminmodern3-DuseinTVisreallybasedontwofacts:theamountoftimechildrenwillnowbewatching3-DTVeachdayandthesensitivitysomechildrenshowinreactionto3-Dviewing.Itisdifficulttomakeactuallabstudiesoflongerterm3-Dviewinginchildrenbecauseofthepossibleharmoftheexperiment.Researcherswillhavetowaituntil3-DTVtechnologyisalreadyinthemarketplaceforanumberofyearsthencheckheavy3-DTVwatchersandcomparethemwithnon-watchers.Witha3-Dtelevisiontechnologyinthehomewewillsoonbeabletoanswerthequestionofwhetherornotlongerandmorefrequentperiodsof3-Dexposurecausemorechangesinthevisualsystem.WemayfindthatthebiggerproblemistheintroductionofanewtechnologythatleadstoevenmoretimespentonTVratherthanplayingoutdoors.47.Accordingtothetext3-Dtechnology______A.wasrefusedbypeoplewhenitfirstappeareD.B.willsoonchangethewaywewatchTV.C.doesnogoodtoourvisualsystem.D.hasahistoryofnearly200years.48.Paragraph2ismainlyabout________A.how3-Dtechnologyworks.B.why3-DmoviesarepopularC.thehistoryof3-Dtechnology.D.theinfluenceof3-Dtechnology.49.What’sthemethodsuggestedinparagraph4?A.TowaitandseeB.TocarryoutlabstudiesC.Tostopmaking3-DmoviesD.Toimprove3-Dtechnology50.Theauthor’spurposeinwritingthetextisto_______A.askchildrennottowatch3-DmoviesB.discussif3-Dviewingisharmfultochildren.C.introducetheadvantagesof3-Dtechnology.D.predictthedevelopmentof3-Dtechnology.

StudentsarebeingforcedtotakeadditionalexamstogetintoleadinguniversitiesbecausegoodA-levelsdonotalwaysindicatethebrightestcandidates.SixthformersapplyingtocoursessuchasmedicineandlawarebeingaskedtositAmerican-styleaptitude智能testswhicharedesignedtoassess评价thinkingskillsamongfearsthattoomanyA-levelcandidatesaregettingtopgrades.LastyearalmostoneinsixstudentsapplyingtouniversitiessuchasOxfordandCambridgefromindependentschoolshadtositadditionalteststosecureaplacE.Headteacherscriticizedthemovewhichtheysaidwouldpilemorepressureonschoolsandstudents.ButuniversitiesinsistedthatthereformswereunavoidablebecauseA-levelexamswerenolongeranaccuratebarometer标准ofability.In198640percentofstudentsstartingatOxfordachievedstraightAsatA-level.MikeNicholsonitsadmissionsdirectorsaidthatthisyearalmosteverycandidateofferedaplacewouldgetperfectgrades.Itmeanttheuniversityhadtostageadditionalteststoidentifythemostablecandidates.TheabilitytoachievethreeA.gradesisnolongertheend-pointintheadmissionsprocesshesaiD.ThepotentialtoachievethreeA.gradeswillallowthemtoentertheraceforaplacE.Oxfordisnottheonlyuniversityturningtoaptitudetests.AtCambridgethenumberofstudentstakingtheuniversity'sThinkingSkillsAssessmentshotup26percenttomorethan3000.A.surveyof16830sixthformersapplyingtohighereducationfromprivateschoolslastyearshowedthat2860hadtositatleastoneexam.EarlierthisyeartheNationalFoundationforEducationalResearchrecommendedthatmostsixthformersshouldsitSATtests—astandardreasoningexamwidelyusedinAmericancolleges—tomakeiteasiertopickoutthebestcandidates.38.Whatistheattitudeofheadteacherstothereform?A.Approving.B.Doubtful.C.OpposeD.D.Neutral中立的39.WhichBritishuniversityfirststartedtouseaptitudeteststopickoutthebestcandidates?A.HarvarD.B.OxforD.C.CambridgE.D.Washington40.WhatcanweknowabouttheA-levelsystem?A.Itcanindicatethebrightestcandidates.B.Itwasdesignedtoassessstudents'thinkingabilities.C.Itislongeranaccuratewaytoassessstudents'abilities.D.ItwasrecommendedbytheNationalFoundationforEducationalResearch.41.Whatcanweinferfromthepassage?A.ThereformismorepopularinAmericancollegesthaninBritishones.B.ThereformwillbeappliedbyalluniversitiesinthefuturE.C.UniversitiesusedtodependontheA-levelsystemtochoosethebeststudents.D.PassingadditionaltestswillallowthestudenttoenterOxfordregardlessofwhetherheorshegetsAs.42.Whatisthepassagemainlyabout?A.Howtogetintoleadinguniversities.B.ThedisadvantagesoftheA-levelsystem.C.Differentwaystoidentifystudents'abilities.D.Universitiesusingextraexamstochoosestudents.

Doyouwanttoliveanother100yearsormore?Someexpertssaythatscientificadvanceswillonedayenablehumanstolivetensofyearsbeyondwhatisnowseenasthenaturallimitofthehumanlifespan.Ithinkweareknockingatthedoorofimmortality永生saidMichaelZeyaMontclairStateUniversitybusinessprofessorandauthoroftwobooksonthefuturE.Ithinkby2075wewillseeitandthat’saconservativeestimate保守的估计.AttheconferenceinSanFranciscoDonaldLouriaaprofessoratNewJerseyMedicalSchoolinNewarksaidadvancesinusinggenesaswellasnanotechnology纳米技术makeitlikelythathumanswillliveinthefuturebeyondwhathasbeenpossibleinthepast.Thereisagreatpushsothatpeoplecanlivefrom120to180yearshesaiD.Somehavesuggestedthatthereisnolimitandthatpeoplecouldliveto200or300or500years.Howevermanyscientistswhospecializeinageingaredoubtfulaboutitandsaythehumanbodyisjustnotdesignedtolastpastabout120years.Evenwithhealthierlifestylesandlessdiseasetheysayfailureofthebrainandorganswillfinallyleadallhumanstodeath.ScientistsalsodifferonwhatkindoflifethesuperagedmightlivE.Itremainstobeseenifyoupass120youknow;couldyoubehealthyenoughtohavegoodqualityoflife?saidLeonardPoondirectoroftheUniversityofGeorgiaGerontologyCentrE.Atpresentpeoplewhocouldgettothatpointarenotingoodhealthatall.68.BysayingweareknockingatthedoorofimmortalityMichaelZeymeans_________.A.theybelievethatthereisnolimitofliving.B.theyaresuretofindthetruthaboutlongliving.C.theyhavegotsomeideasaboutlivingforever.D.theyareabletomakepeoplelivepastthepresentlifespan.69.DonaldLouria’sattitudetowardlonglivingisthat_________.A.peoplecanlivefrom120to180B.itisstilldoubtfulhowlonghumanscanlivE.C.thehumanbodyisdesignedtolastpastabout120years.D.itispossibleforhumanstolivelongerinthefuturE.70.TheunderlinedworditParagraph4refersto_________.A.agreatpush.B.theideaoflivingbeyondthepresentlifespan.C.theideaoflivingfrom200to300years.D.theconservativeestimatE.71.Whatwouldbethebesttitleforthistext?A.LivingLongerorNotB.ScienceTechnologyandLongLiving.C.NoLimitforHumanLifE.D.HealthyLifestyleandLongLiving.

Long-timeexposuretoairpollutioncanleadtophysicalchangesinthebrainandcausetroubleinlearningandmemoryandevenanxiety.ThisissuggestedbytheresultsofnewresearchonmicE.Whileotherstudieshaveshowntheharmfuleffectsofpollutedaironthelungsandheartthisisthefirsttoshowthenegativeeffectonthebrain.TheteamofLauraFonkenRandyNelsonfromtheOhioStateUniversityU.S.A.hasspreadtothebrainapreviouslineofresearchwhichfoundthatfineparticulate微粒matterfloatingintheairmainlybecauseofairpollutioncausedbyhumanscausesswellinginmuchofthebodyandmayberelatedtohighbloodpressureproblemsandsomeotherdiseases.IntheresearchFonkenandhiscolleaguesexposedmicetopollutedairforsixhourseachdayfivedaysaweekoveraperiodof10monthsalmosthalftheaveragelifelengthofmicE.Pollutedaircontainsfineparticlescreatedbycarsfactoriesandnaturaldust.Fineparticlesofthiskindaretinyabout2.5micrometersindiameteroraboutone-thirtieththewidthofahumanhair.Theseparticlescangodeepintolungsandotherorgans.Theconcentrationofthisparticulatematerialtowhichtheyexposedmiceisequaltotheconcentrationatwhichpeoplecanbeexposedinsomepollutedurbanareas.Afteraperiodof10monthstheresearchersgottheanimalstohaveaseriesofbehavioraltests.Boththebehaviorofmiceandtheresultsofneurological神经的testsdonetothemshowthatthosewithinthepollutedairhadmoreproblemsinlearningandmemoryandhigherlevelsofanxiety.Theresultssuggestthatlong-timeexposuretopollutedaircanhavemeasurablenegativeeffectsonthehumanbrainandcancauseavarietyofmentalhealthproblems.Thiscouldhaveimportantconsequencesforthoselivingandworkinginpollutedurbanareas.25.Theresultsofnewresearchonmicefirstsuggestthatpollutedairmainlydoesharmto.A.normalorgansB.lungsandheartC.mentalhealthD.bloodpressure26.Whatharmfuleffectofpollutedairismentionedinotherstudies?A.Theharmfuleffectonlearning.B.Theharmfuleffectonalltheorgans.C.Theharmfuleffectonlungsandheart.D.Theharmfuleffectonimprovingmemory.27.ThebadeffectsoftinyparticlesinpollutedairarethoseEXCEPT.A.highbloodpressureproblemsB.makinghumanhairthinnerC.differentkindsofdiseasesD.swellinginmuchofthebody28.Fromthelastsentencewecaninferthatpeoplelivinginpollutedurbanareas.A.arelikelytosufferfrommentalproblemsB.canmeasurethenegativeeffectonthemC.showlittleconcernforairpollutionD.canbeexposedtopollutedairlonger29.Whichofthefollowingisthebesttitleforthepassage?A.Long-timeExposuretoAirPollutionB.EvidenceandConcernofAirPollutionC.MeasurableEffectonHumanBrainD.MentalProblemsCausedbyAirPollution

ADDISABABAEthiopia—Oneoftheworld'smostfamousfossils化石—the3.2million-year-oldLucyskeleton骨骼unearthedinEthiopiain1974—willgoonanexhibitiontourabroadforthefirsttimeintheUnitedStatesofficialssaidTuesday.EventheEthiopianpublichasonlyseenLucytwicE.TheLucyonexhibitionattheEthiopianNationalMuseuminthecapitalAddisAbabaisareplicawhiletherealremainsareusuallylockedinasecretstoreroom.A.teamfromtheMuseumofNationalScienceinHoustonTexasspentfouryearsdiscussingwiththeEthiopiansfortheU.S.tourwhichwillstartinHoustonnextSeptember.Ethiopia’srichcultureofboththepastandtodayisoneofthebestkeptsecretsintheworldsaidJoelBartschdirectoroftheHoustonmuseum.Thesix-yeartourwillalsogotoWashingtonNewYorkDenverandChicago.OfficialssaidsixotherU.S.citiesmaybeonthetour.Buttheysaidplanshadnotbeenworkedout.TravellingwithLucywillbe190otherfossils.LucyhernametakenfromaBeatlessongthatplayedinacampthenightofherdiscoveryispartoftheskeletonofwhatwasoncea3.5-foot-tallape-man猿人.29.WhatdothewordsareplicainParagraph2referto?A.A.paintingoftheskeleton.B.A.photographofLucyC.A.copyoftheskeleton.D.A.writtenrecordofLucy.30.HowmanycitieshasLucy’sU.S.tourplanalreadyincluded?A.Four.B.FivE.C.Six.D.Eleven.31.Whatwastheskeletonnamedafter?A.Anape-man.B.A.song.C.A.singer.D.A.camp.

EarthquakeSafetyTipsOnMay122008abigearthquakehitWenchuanSichuanProvincE.ThousandsofpeoplediedandmanymorewereinjureD.Whyarethereearthquakes?Earthquakesmayhappenanywhereontheearth.Thesurfaceoftheearthhasmanyplatepieces板块.Theseplatesarealwaysmoving.WhentwoplatesmovepasteachotherthereisanearthquakE.ManyearthquakesbeginundertheseA.Theyoftenhappennearthemountainstoo.Scientistareworkinghardtofindoutmoreaboutearthquakes.Theytrytopredict预测thembutit'sveryharD.Doyouknowhowtogetreadyforanearthquake?Doyouknowwhattododuringanearthquake?Herearesometipsyoushouldfollow.WhattodobeforeanearthquakeKeepasupplyoffoodwaterandsomethingsforfirstaiD.Youshouldmakesureyouhavetwobottlesofwaterapacketofbiscuits饼干acleantowel毛巾afewband­aids创可贴aradioandaflashlight电筒athomE.WhattododuringanearthquakeIfyouareinside:★StaywhereyouarE.Quicklymoveunderastrongdeskoralongawall.Thiswillprotectyoufromfallingthings.★Don'tstandnearwindows.★Turnoffyourgaslightsandwater.★Don'tgetintoaliftduringanearthquakE.IfyourareinaliftgetoutasquicklyaspossiblE.Ifyouareoutside:★Don'tstandnearbuildings.Thingsmayfallonyou.★Lieonthegrounduntiltheshakingstops.★IfyouareinacarslowdownanddrivetoaclearplacE.Stayinthecaruntiltheshakingstops.33.Thereasonwhyanearthquakehappensisthat________.A.thesurfaceoftheearthisthinB.theplatesofthesurfacearemovingslowlyC.twopiecesoftheearth'ssurfacemovepasteachotherD.therearetoomanypeopleontheearth34.Duringanearthquakeyoushoulddothefollowingexcept________.A.turnoffthelightsandgasB.hideunderastrongdeskC.makesureyouhavesomefoodandwater.D.getintoalift35.Youmustprotectyourselfinanearthquakeby________.A.keepingyourselfawayfromfallingthingsB.lyingontheflooroftheroomuntiltheshakingstops.C.standingnearthewindowD.runningoutofthebuilding

Willtherebeatimeinourliveswhencarsdon’tcrash?Whenwecanjustsitbackandrelaxandourcarswilldrivethemselves.Autotechnologyexpertssayyes.Andtheysaythatsomeofthoseadvancesmayhappenquickerthanyoumightthink.Theywillrequiretheuserstoinputthenameofthedestinationorthecompleteaddressofthelocationthattheywanttogoandthecars’artificialintelligencetakesthemthereautomaticallywithoutadriver.Theywillrunonsolarpowerinthedaytimeandethanolfuel乙醇燃料atnight.ToyotaBMWandHondawillcompletelycontrolthetradeofdriverlesscarbusinesstogetherandwillhavethecheapestdriverlesscars.Fossilfuelswillbecompletelyincompatible不相配的withthesecars.Driverlesscarswillnotrequireadriver’slicenseofanygradetooperatE.Anyonewithbasicliteracyandcomputerskillswhoareatleast16yearsofagewillbelegallyallowedtooperatethevehiclewithabsolutelynorestrictions.Thiswouldgivetheyounguserspermissiontooperatethedriverlesscarsonmajorhighwaysaswellassecondaryroadswithoutneedingaseparateclassification.InadditiontoallthisdrunkenpeoplewillbeabletousetheirownautomobilestoreturnhomebecausetheyarenotdrivingthevehiclE.What’smorecarinsurancewillbecomeobsoletebecausetherewillbenomoreautomobileaccidentsaftertheyear2025.Thisisbecausethedriverlesscarwillhaveallsafetymethodsinplacebythecar’sartificialintelligencetopreventautomobileaccidents.Globalpositioningsystemswillbecomemandatory强制的inallnewly-manufacturedcarsafter2010andwillbethemostimportantpartinthedriverlesscar.26.Whowillnotbeabletousedriverlesscars?A.Adultswithbasicliteracyandcomputerskills.B.Adultswhoaredrunk.C.Adultswithoutcomputerskills.D.Adultswithoutadriver’slicensE.27.Wecaninferfromthesecondparagraphthatdriverlesscars.A.willneedfewerfossilfuelsB.willnotneedahuman’sinstructionsC.willrunonsolarpoweronlyD.willbeenvironmentallyfriendly28.Whatwillpreventthedriverlesscarfromcrashing?A.ArtificialintelligencE.B.Globalpositioningsystems.C.ThepeopleinsidE.D.CarinsurancE.29.Theunderlinedwordobsoleteinthelastparagraphprobablymeans_____.A.difficulttogetB.quiteimportantC.dangerousD.outofbusiness30.Whichofthefollowingmaybethebesttitleofthepassage?A.Carsafety.B.Driverlesscars.C.Thefuturecars.D.Newtechnologyincars.

ThreeKingsDayinMexicoAmongthemostlooked-forward-toholidaysbychildrenisThreeKingsDay.ThiscelebrationtakesplaceonJanuary6.OnthisdaychildrenparentsandfriendsgettogetherintheeveningandhaveacupofhotchocolatewitharoscadereyesThreeKing’sBread.ThisisatypicalbreadthathastinypiecesoffruitorangeskincherriessugarontopandtinybabytoysinsidewhichsymbolizetheBabyJesus.Thisholidayhasareligiousbackground;howeveritisconsideredanationalholiday.SaintPatrick’sDayinIrelandOnthe17thofMarcheveryyearIrelandcelebratesaspecialdaycalledSaintPatrick’sDay.Peopledrawshamrocks三叶草ortheIrishflagontheirfacestolookcool.Therearealotoffloats花车goingthroughthestreetswithpeopleonthemplayingIrishmusicanddoingIrishdancing.LotsofpeopledressupforadayattheparadeorathomE.IntheeveningpeoplegotothepubtolistentoIrishmusicanddrinkGuinness.Thereisalsoahugefireworkdisplayontheriverwhichthousandsofpeoplegotowatch.SaintPatrick’sDayisagreatfestivalandpeoplethathaveneverseenitshouldgotoIrelandtoseeit.SemanaSanta:EasterCelebrationinSpainSemanaSantaiscelebratedalloverSpain.Yearsagoitwasjustareligiouscelebration.Womenandmenworeblackclothingthemenalwayswithablacktieandeverybodywasveryserious.Todayhowevermanypeoplewhoenjoyitalsothinkabouthavingfun.Duringthisweekreligiousimagesaredisplayedinthestreets.Theseimagesaremadeofgoldandsilver.Fortyorfiftymencarryeachimageontheirshouldersalwaysatnight.ManyvisitorsfromallovertheworldcometoSpainforSemanaSantaandenjoythiscelebration.45.WhichofthefollowingisbothTRUEofThreeKingsDayandSemanaSanta?A.BothofthefestivalshaveareligiousbackgrounD.B.BothofthefestivalstakeplaceinMexico.C.Peopleeatatypicalbreadonbothofthefestivals.D.Peoplewearspecialcostumesonbothofthefestivals.46.WhichdaydoestheSaintPatrick’sDayfallon?A.January6.B.March17.C.May10.D.October20.47.OnSaintPatrick’sDayyoucan______.A.haveacupofhotchocolateintheeveningB.makeaspecialbreadinthekitchenC.enjoyafireworkdisplayontheriverD.seemanyreligiousimagesinthestreet48.ManyyearsagoonSemanaSantapeoplehadto_______.A.singanddancebytheriverB.drawshamrocksontheirfacesC.wearblackclothesD.drinkalotofwine

It’sagainstthelawforthepolicetoattachaGPSunittoyourcarwithoutyourpermissionastheU.S.SupremeCourtsettledin2012.ButifthepoliceareinhotpursuitofabankrobberorotherescapingcriminalsthatthreatenpublicsafetyaGPStrackerisacceptablE.ButexactlyhowcanthepoliceGPStrackacarthatismovingfast?TheanswertothatquestioncomesfromStarChaseanewpolicetechnologybeingusedbyasmallbutgrowingnumberoflawenforcement强化agencies.Itallowsthepolicetofireglue-coveredGPSbullet-likeprojectiles发射体fromanairgunfixedintheirpolicecars.IftheGPStrackermakescontactwiththeescapingrobber’scarit’llsticknomatterhowfastthevehicleisgoing.Thatwaythepolicewillhaveaconstantreadonthecar’slocationandheading.Besidessimplyapprehending逮捕criminalsit’sbelievedthatthisnewtechnologycouldhelpsavelives.IfthepolicesuccessfullyfireaGPSunitataspeedingcriminaltheycanavoidahigh-riskchasE.Chasescanbeincrediblydangeroustoallinvolvedincludinginnocentbystandersandotherdrivers.OncetheGPSbulletconnectsthere’snoneedforthechaseanylonger.NowaGPS-loadedgunisn’tcheap.Policedepartmentsneedtopayabout$5000pervehicleforthetechnologyandindividualGPSbulletscostasmuchas$250each.ThatmaysoundexpensivebutrememberThealternativeisoftenthousandsofdollarsinpropertydamageandgreathumancostininjuryandlostlifE.AccordingtoStarChasetheirGPSbulletsystemhasanapprehensionrateof80%withoutanyreportofinjuryorpropertydamagE.Ifyou’dliketolearnmoreabouttheStarChasesystemPopularMechanicshasjustpublishedagoodarticleaboutit.There’salsoplentymoreinformationavailableatthecompany’swebsitE.32.WhentheGPSbulletstickstotheescapingrobber’scarthepolicecan________.A.knowthecar’sconditionB.ensuretherobber’ssafetyC.playafairgamewiththerobberD.knowthecar’spositionanddirection33.TheGPSbulletscouldhelpsavelivesmainlybecause________.A.thebulletswon’thurtpeopleB.theycanmaketherobber’scarstopC.thepolicecanstopthedangerouschaseD.theyhavemoreadvantagesthannormalbullets34.FromthetextwecanlearnthatGPSbullets__________.A.areusefulforthepoliceB.arewidelyusedinAmericaC.cancontroltherisingcrimerateD.canreplacethepoliceinthefuture35.Inwhichpartofanewspapercanwereadthetext?A.LifeB.NatureC.FashionD.Technology

Wouldn’titbegreatifyoucouldjustlookupattheskyandreadtheweatherforecastrightaway?Wellyoucan.Theforecastiswritteninclouds.IfyoucanreadthatwritingyoucantellsomethingabouttheatmospherE.Withsomepracticeyoucanbecomeaprettygoodweatherforecaster.Whoknowsyoumightevendoaswellasmeteorologists气象学家.Meteorologistsusemuchmoreinformationthanjusttheappearanceofthecloudstomaketheirforecast.Theycollectdata数据fromallovertheworlD.Thentheyputitintopowerfulhighspeedcomputers.Thisdoesgivethemeteorologistsanadvantagebecausetheycantrack追踪weatherpatternsastheymovefromwesttoeastacrossthecountry.Butyouhaveanadvantagetoo.Youcanlookattheskyandgetyourdatadirectly.A.meteorologistusesacomputerforecastthat’sseveralhoursoldtomakealocalforecast.Whatareyouseeingwhenyoulookatacloud?Apictureofmoisture水汽isdoingintheatmospheresaysmeteorologistPeterLeavitt.There’smoisturethroughouttheatmospherE.Mostofthetimeyoudon’tseeitbecauseit’sintheformofanunseeablegascalledwatervapor.Sometimesthetemperatureoftheairgetscoldenoughtocausethewastervaportochangetoliquidwater.It’scalledcondensation凝结andweseeithappenallthetimeforexamplewhenhumidairfromtheshowerhitsthecoldglassesofamirror.Whenenoughwatervaporcondenses冷凝droplets小滴comeintheair.Thesedropletsscatter分散light.A.cloudisseen.WatchingcloudsoveradayortwotellsyoualotmorethanasinglecloudabouttheweathertocomE.ChangesincloudsshowchangesintheatmospherE.Youshouldbegintonoticepatterns.Certaincloudsfollowingeachotherinordercansignalanapproachingstorm.Butdon’ttakeourwordforit;seeforyourself.32.Accordingtothepassageanordinarypersonmightreadtheweatherforecastaswellasmeteorologists_________.A.withsomesimplepracticelookingupattheskyB.withthehelpofthehigh-speedcomputersC.throughcomplex复杂的instrumentsD.byvisitingaweatherstation33.Meteorologistscanmaketheirweatherforecast.A.byusinginformationoftheappearanceofthecloudsonlyB.bycollectingdatafrompartsoftheworldC.bycollectingandanalyzing分析thedataD.bywatchingthesky34.Accordingtothepassageyouradvantageinweatherforecastisthat.A.youhaveahigh-speedcomputerB.youobservetheskyandgetyourdatadirectlyC.youhavemoreinstrumentsathomeD.youcantrackweatherpatternsastheymovefromwesttoeastacrossthecountry35.Thispassagemainlytellsusabouthowto.A.trainourselvesasmeteorologistsB.beanassistanttoameteorologistC.forecasttheweatherbyourselvesD.broadcasttheweatherforecast

TheStreisandEffectWhenBarbraStreisanddiscoveredin2003thataphotographofherCaliforniabeachhousewasamong12000photosontheInternetaspartofacollectionbyphotographerKennethAdelmanshedidwhatanyfamouspersonwoulddo:hithimwitha$50millionlawsuit.ButintryingtoholdbacktheimagesshecausedadifferentoutcomE.Herlegalactionsledtoalmosthalfamillionpeoplevisitingthewebsiteviewingandcopyingthephotoswithinamonth.EversincethentheeffectoflettingpublicknowsomethingyouaretryingtokeepsecrethasbeencalledtheStreisandeffect.TheproblemforanyonetryingtosuppressinformationisthattheInternetistheworld’sbiggestandmostefficientcopyingmachinE.PutadocumentontoaconnectedmachineanditwillspreaD.Sowhenyouwanttobefamousyoucan’tbutifyoufindyourselfinthespotlightandwanttoeraseyourselfyoucannot.ThereisnoshortageofexamplesoftheStreisandeffect.Nine-year-oldMarthaPaynecreatedasimpleblogpostingthemealsherschoolserveD.Shetookaphotoofwhatwasbarelyafillingmealbyanyone’sstandards.WiththephotoshefilledacommentNowDadunderstandswhyIamhungrywhenIgethomE.ThethingdidnotgotoofaruntilthelocalauthoritybannedlittleMarthafromdoingthatagain.MarthapostedasupposedlyfinalpostcalledGoodbyeexplainingeverything.Oncethemediafoundthisoutthingswentfrombadtoworsefortheauthority.Nowthebloghasmorethan9.5millionpageviews.MarthahasevenexpandedherblogbyincludingpicturesofschoolmealstakenbyotherkidsfromallovertheworldlikeGermanyandJapan.Wecanfindsimilarexamplesthroughouthistorytobefrank.ManhasexperiencedtheStreisandeffecteversincethebirthofmasscommunication.Whydoesitexist?Everytimeyouaretoldnottoseewhat’sinthesecretshinyboxwrappedingiftpaperyou’regoingtodoeverythinginyourpowertodoexactlythat!Justrealizingthatknowingsomethingaboutsomeoneisharmfultotheirstatuswewillwanttoknowthatpieceofinformation.ThisisexactlythehumannaturE.Thisiswhatlawyersandauthoritiesshouldbefamiliarwith.Unfortunatelyafewofthemfailtograspit.33.TheunderlinedwordsuppressinParagraph2probablymeans________.A.giveawayB.lookintoC.coverupD.searchfor34.WhatspeededupthespreadofMartha’sstory?A.Parents’complaints.B.Theauthority’sorder.C.Thephotosofotherkids.D.Supportingfromtheschool.35.Whatisthelastparagraphmainlyabout?A.TherootofStreisandeffect.B.TheinfluenceofStreisandeffect.C.People’sreactiontoStreisandeffect.D.HistoricalexamplesofStreisandeffect.

NoteveryoneintheworldrequiresthesameamountoflivingspacE.TheamountofspaceapersonneedsaroundhimisaculturaldifferencenotaneconomiconE.Knowingyourownpsychological心理的spaceneedsisimportantbecausetheystronglyaffectyourchoicesincludingforexamplethenumberofbedroomsinthehomE.Ifyouwerebroughtupinatwo-childfamilyandbothyouandyoursisterorbrotherhadyourownbedroomsthechancesareifyouhavetwochildrenormorethatyoualsowillofferseparatebedroomsforthem.InAmericaforexampletheytrainpeopletowanttohavetheirownroomsbygivingthemtheirownroomswhentheyarebabies.ThisisveryrareintheworlD.Inmanyothercountriesthebabysleepsinthesamebedwithhisparentsorinbednearthem.Thespaceinthehomealsoshowsalotaboutpsychologicalspaceneeds.Somefamiliesgatherclosertoeachotherandthesizeoftheirhousehasnothingtodowithit.OthershaveseparatelittlecornerswherefamilymembersgotobedalonE.Althoughitistruethatpsychologicalspaceneedsarenotdecidedbyeconomicreasonstheysometimeshavetobechangedalittlebecauseofeconomicpressures.Itisalmostimpossiblehowevertocompletelychangeyourpsychologicalspaceneeds.44.TheunderlinedsentenceinParagraph1means______.A.NotwopeopleneedexactlythesameamountoflivingspaceB.TherequirementsoflivingspacearenotalwaysthesameC.TheworldrequiresthesameamountoflivingspaceD.Nobodyneedsarequiredamountoflivingspace45.WhichofthefollowingisTRUEaccordingtothepassage?A.Americansaretrainedtoliveinlargeroomsatbirth.B.Economicsituationdecidesone'samountofspaceneeds.C.PeopleinvariouscountriesdemanddifferentpsychologicalspacE.D.KnowingyourpsychologicalspaceneedsisimportantasitaffectsyourfuturE.46.Thebesttitleforthispassageis______.A.AmericanWayofLivingB.PsychologicalSpaceC.SpaceNeedsinDifferentCountriesD.PsychologicalSpaceandEconomicPressure

Whatissoamazingaboutgivingblood?TheNationalBloodServicewhichcoversallofEnglandandNorthWalesneedsnearlytwoandahalfmillionblooddonationseachyear.Whenyougivebloodyou’llbedoingoneofthemostamazingthingsanybodycoulddreamof—savingalifE.___________________________Alltypesofbloodareneeded—notjustrareones.InfactthecommonerthebloodtypethemoreareneedeD.Soevenifyourbloodisoneofthemostcommontypes—groupO.forexample—youcanbesurethatbydonatingthreetimesayearyoureallyaredoingsomethingamazing.Whatisthedonationprocess?Thedonationwilllastaboutanhourinall.Whenyouarriveyouwillbeaskedafewquestionsaboutyourhealth.Thenadropofbloodwillbetakenandtestedjusttomakesureyou’renotanemic贫血.Ifalliswellyourdonationwillbetaken.Thisonlytakesabouttenminutesduringwhichtime470mlofbloodwillbecollecteD.Mostpeoplehardlyfeelathing.Afterashortrestadrinkandbiscuitsyou’llbeupandreadytogo.Allequipmentusedinthecollectionofyourbloodisnewandisneverreusedsoyoudon’thavetoworryaboutriskstoyourhealthinthecollectionofyourblooD.Whocanbecomeablooddonor?BecomingablooddonorreallyisverysimplE.Aslongasyou’reingoodhealthandagedbetween17and60youcanbecomeablooddonor.Ifyouwouldlikemoreinformationoradviceoryouwanttobecomeablooddonorringthedonorhelplineon08457711.Thedonorhelplineisopen24hoursaday—everydayoftheyear.25.Whichisthesubtitle副标题ofParagraph2?A.Whyshouldyoudonateblood?B.Whatshouldyouconsiderbeforedonation?C.Whattypesofbloodareneeded?D.Howmanytimesayearcanyoudonateblood?26.Beforegivingbloodyouwill________.A.takeabloodtestB.waitforonedayC.fillinaformD.restforawhile27.Whatdoesthepassagetellusaboutthedonationprocess?A.Ittakesmanyhours.B.It’sdoneoncomputer.C.Itdoesn’tneedequipment.D.Itwon’taffectdonors’health.28.Thepurposeofthewritingisto_______.A.introducetheNationalBloodServiceB.callonpeopletodonatebloodC.showtheimportanceofdonationD.remindpeopleofthedanger

Itisthelargestandmostdetailedever3Dmapoftheuniverse宇宙-andajourneybackintime11billionyears.ScientistshavestudiedthebrightestobjectsintheskytocomeupwiththeimageoftheuniversetheyhaveevermadE.Expertssaidlookingattheimagewassimilartolookingatthemoonthroughtheclouds.ButbecausethelighttookalongtimetoreachEarthitisalsoawindowbackto11billionyearsagowhengalaxies星系werefirstcomingtogetherandforminglargeclusters.EarliersuchimageshadusedgalaxiestomaptheuniverseandwereonlyabletogosevenbillionyearsbackintimE.Themapcouldfindtheanswertothepuzzlesofhowtheuniverseexpandedandmaygivecluestothenatureofdarkenergy.ScientistsfromtheSloanDigitalSurveystudied14000quasars类星体poweredbyblackholes.AsthelightfromthequasarscomestowardsEarthitlightsupcloudsofintergalactichydrogen星系间氢气gasthatabsorb吸收itascertainwavelengths波长.Thisleadstoaredimagewhichisbrokendownbycolors-redindicatesareaswheremoregashasgotthroughwhileblueareashaveletlessgasthrough.Thisirregular不规则的patternofquasarlightisknownastheLyman-alphaforest.HerewearelookingatintergalactichydrogengaswhichblockslightsaidphysicistAnzeSlosar.It'slikelookingatthemoonthroughclouds----youcanseetheshapesofthecloudsbythemoonlightthattheyblock.ShealsocomparedittoanicesamplefromAntarctica—byexaminingpiecesofityoucanworkoutwhathappenedinthepast.Anzesaidthatthetelescopetheyusedwouldinthefutureallowthemtobeabletomeasurehowfasttheuniversewasexpanding11billionyearsagowithanaccuracyofacoupleofpercent.33.Howdidscientistsworkoutthe3Dmapoftheuniverse?A.Byexaminingthedarkholeinthesky.B.Bylookingatthemoonthroughtheclouds.C.Byanalyzingthebrightestthingsinthesky.D.Bycomparingthedifferencesofsamplesof11billionyearsago.34.TheunderlinedwordclustersinParagraph2isclosestinmeaningto_____.A.cloudsB.groupsC.glassesD.maps35.Whatistheadvantageofthepresent3Dmapoftheuniverse?A.Ithelpstoseetheshapesofthecloudsmoreclearly.B.ItiseasytojudgehowmuchgasgetsthroughthecloudsC.IthelpstostudytheuniversemoreaccuratelyfurtherbackintimE.D.IthelpspeopletofindthelocationsofdifferentcontinentsonEarth.

Mostpeopleagreethathonestyisagoodthing.ButdoesMotherNatureagree?Animalscan’ttalkbutcantheylieinotherways?Cantheyliewiththeirbodiesandbehavior?Animalexpertsmaynotcallitlyingbuttheydoagreethatmanyanimalsfrombirdstochimpanzeesbehavedishonestlytofoolotheranimals.Why?DishonestyoftenhelpsthemsurvivE.Manykindsofbirdsareverysuccessfulatfoolingotheranimals.Forexampleabirdcalledtheploversometimespretendstobehurtinordertoprotectitsyoung.Whenapredator猎食动物getsclosetoitsnesttheploverleadsthepredatorawayfromthenest.How?Itpretendstohaveabrokenwing.Thepredatorfollowsthehurtadultleavingthebabybirdssafeinthenest.Anotherkindofbirdthescrubjayburiesitsfoodsoitalwayshassomethingtoeat.Scrubjaysarealsothieves.Theywatchwhereothersburytheirfoodandstealit.Butcleverscrubjaysseemtoknowwhenathiefiswatchingthem.SotheygobacklaterunburythefoodandburyitagainsomewhereelsE.Birdscalledcuckooshavefoundawaytohavebabieswithoutdoingmuchwork.How?Theydon'tmakenests.Insteadtheygetintootherbirds’nestssecretly.Thentheylaytheireggsandflyaway.Whenthebabybirdscomeouttheiradoptiveparentsfeedthem.Chimpanzeesorchimpscanalsobesneaky.Afterafightthelosingchimpwillgiveitshandtotheother.Whenthewinningchimpputsoutitshandtoothechimpsarefriendlyagain.Butananimalexpertoncesawalosingchimptakethewinner'shandandstartfightingagain.Chimpsaresneakyinotherwaystoo.Whenchimpsfindfoodthattheylovesuchasbananasitisnaturalforthemtocryout.Thenotherchimpscomerunning.ButsomecleverchimpslearntocryverysoftlywhentheyfindfooD.Thatwayotherchimpsdon'thearthemandtheydon’tneedtosharetheirfooD.AschildrenmanyofuslearnthesayingYoucan'tfoolMotherNaturE.Butmaybeyoucan'ttrusthereither.32.A.ploverprotectsitsyoungfromapredatorby___________.A.gettingclosertoitsyoungB.drivingawaytheadultpredatorC.leavingitsyounginanothernestD.pretendingtobeinjured33.ByChimpanzeesorchimpscanalsobesneakyparagraph5theauthormeans_______.A.chimpsarereadytoattackothersB.chimpsaresometimesdishonestC.chimpsarejealousofthewinnersD.chimpscanbeselfishtoo34.Whichofthefollowingistrueaccordingtothepassage?A.Somechimpslowertheircrytokeepfoodawayfromothers.B.Thelosingchimpwonthefightbytakingthewinner'shanD.C.Cuckoosfooltheiradoptiveparentsbymakingnonests.D.Somecleverscrubjaysoftenstealtheirfoodback.35.Whichofthefollowingmightbethebesttitleofthepassage?A.Doanimalslie?B.DoesMotherNaturefoolanimals?C.Howdoanimalslearntolie?D.Howdoeshonestyhelpanimalssurvive?

Althoughhurricaneseasondoesn'tbeginuntilJune1aPacificstormhasalreadystruck.ElSalvadorwhichwasruinedbyaCaribbeanstormin1995washitbyHurricaneAdrianonFriday.ThisisthefirstPacific-bornhurricanetoeverreachLandinthisCentralAmericancountry.Some14000peopleleftfromthewesterncoastofElSalvador.Thestormweakenedasitcrossedlandheadingeast.Heavyrainscreateddeadlyfloodingproblemsinthehurricane'swakE.AdrianisthefirstPacificstormoftheseason.Itreportedmaximum最大的continuouswindsof75milesperhourtheminimumstrengthofahurricanE.A.Category3hurricaneAdrianalsocauseddamageandfloodinginHonduras.ItisexpectedtobreakupbeforereachingtheCaribbeanSeaontheeasterncoastofCentralAmericA.HurricaneseasontypicallybeginsonJune1standlaststhroughNovember30.TheNationalOceanicandAtmosphericAdministrationNOAAhaspredicted预告seventoninehurricanesforthe2005season.ItisdifficulttomakeanykindofanexactpredictionofhowmanyofthesewillstrikelandNOAAadministratorConradLautenbachersaid.HepredictstwotothreehurricaneswillstriketheU.S.thisseason.LastyearsixofninehurricanesreachedCategory3strengthorhigher.FourofthosehitFloridawithinasix-weekperioD.AltogetherHurricanesCharleyFrancesIvanandJeannecausedmorethan$40billionindamageintheSunshineStatE.Thisyear'sforecastisbasedonoceantemperatures.Warmertemperaturesproducemoretropicalstormswhichcanthenturnintohurricanes.TheissuereallythisyearistheunusuallywarmseasurfacetemperaturesintheAtlanticsaidFrankLeporeoftheNationalHurricaneCenter.28.Whichofthefollowingisthe2005firsthurricane?A.Charley.B.Adrian.C.Jeanne.D.Ivan29.Howmanycountriesstruckbythehurricanearementionedinthetext?A.Six.B.Nine.C.Five.D.Three30.Wecaninferthatwarmeroceantemperatures.A.havenothingtodowiththehurricaneB.causelesshurricaneC.aremorelikelytocausethehurricanesD.doalotofdamagetotheareasalongthecoast31.Thepassageimplies暗示that.A.hurricaneseasoncomesearlythisyearB.everyhurricaneformedinoceanscouldcausegreatdamagetothelandC.hurricaneoftencomesinwinterandspringD.tropicalstormismoreseverethanhurricane

Scientistshavefoundthatshoppingdailycanhelponelivelonger.Theresearchwasdoneon1850elderlypeoplewhowerelivingaloneathomE.Theywereaskedhowoftentheywentshoppingwithchoicesfromnevertoeveryday.Nearlyhalfofthemneverorseldomshoppedduringtheweekandaroundoneinfourshoppedbetweentwoandfourtimesaweek.A.further17%shoppedeverydayandtherestshoppedjustonceaweek.Almosttwothirdsofthemwereundertheageof75.Justoverhalfweremen.Thosewhowentshoppingmorethanonceaweekweremenandbetweentheagesof65and70.Theywerealsosmokersanddrinkerswhohadbetterhealthtookexerciseverydayandhadalotoffriends.Thosewhoshoppeddailylivedlongerthanthosewhoshoppedlessoften.Thosewhoshoppeddailywere27%lesslikelytodiewithmendailyshoppers28%lesslikelytodieandwomenshoppers23%lesslikelytodiE.TheresearcherssaidthatshoppingcouldbeagoodmethodforgoodhealthtobeginwithbutsuggestedthatshoppingitselfmayimprovehealthbyhavingagoodsupplyoffoodtokeephealthymealsforexamplE.Shoppingamongtheelderlymaynotalwaysbeaboutbuyingthingsbutaboutlookingforfriendsortakingexercisewhichiseasiertodothanmoreformalexercisethatusuallyrequiresinterestandenergy.Thefindingsdispeltheideathatgoodhealthonlydependsonphysicalactivity;takingpartinsocialactivitiesinlaterlifemayalsobegoodforbetterhealth.DavidOliveraprofessoratCityUniversityLondonsaidThefindingsmadesensE.Whattheresearchershaveshownisthatcontinuingtoshopisgoodforhappinessandgoodhealth.25.Thestudywasmadeby________.A.comparinglikesanddislikesoftheelderlyB.examiningtheshoppinghabitsofoldpeopleC.lookingathowoftenelderlypeoplewentoutD.collectinginformationaboutshoppers26.Comparedwithwomendailyshoppersmenshoppers________.A.seldomgoshoppingwithouttheirfriendsB.usuallygointotheshopwithoutbuyingthingsC.aremorelikelytolivelongerD.areeasiertobecomehappy27.Whatcanbeinferredfromthetext?A.Theelderlywhogiveupsmokingwillenjoybuyingthings.B.OldpeopleshouldgooutshoppinginsteadoftakingexercisE.C.Shoppingwillmaketheelderlylovetothink.D.Shoppingcanhelpoldpeopleavoidloneliness.28.TheunderlinedworddispelinParagraph6canbereplacedby________.A.putoffB.coverupC.pickupD.throwaway29.Wheredoesthetextmostprobablyappear?A.Inaresearchreport.B.InafashionmagazinE.C.Inastorybook.D.InashoppingguidE.

Howdopeopletraditionallymanufacture制造things?Theyusuallystartwithasheetofmetalwoodorothermaterialandcutdrill钻andshaveittocreateadesiredshapE.Sometimestheyuseamold模具madeofmetalorsandpourliquidplasticormetalintoitandletitcooltocreateasolidpart.Nowacompletelydifferentmethodisgainingpopularity.OnOct.92013LondonScienceMuseumkickedoffitsnewexhibition3-D:PrintingtheFuturewithover6003-Dprintedobjectsondisplayincludingspaceprobes探测器toydollsandevenhumanorgans–basicallyanyproductyoucanthinkofreportedLiveSciencE.YoumightfindithardtobelievethatanobjectcanactuallybeprintedoutlikeapicturE.Butitisnotthathardtounderstandhowitworks.Justasatraditionalprintersprays喷洒inkontopaperlinebylinemodern3-DprintersspreadmaterialontoasurfacelayerbylayerfromthebottomtothetopgraduallybuildingupashapE.Insteadofinkthematerialsthe3-Dprinterusesaremainlyplasticresin树脂andcertainmetals.Thethinnereachlayeris–fromamillimetertolessthanthewidthofahair–thesmootherandfinertheobjectwillbE.AndobjectsalwayscomeoutinonepiecesparingyouthetroubleofputtingdifferentpartstogetherafterwarD.Forexample10yearsagoadesktop3-Dprintermighthavecost￡20000200000yuanwhilenowitcostsonlyabout￡1000accordingtotheBBC.Infact3-Dprintershavebeenaroundforsometimebutuntilrecentlytheyhadn’tbeenverypopularsincefewpeoplecouldaffordthem.Lastyearthoughsawabigdecreaseinthepriceof3-Dprinters.Howeveras3-Dprintingtechnologybecomesmorecommonplaceitmaytriggercertainproblems.Oneofthemispiracy盗版.Onceyoucandownloadacoffeemakerorprintoutanewsetofkitchenutensils餐具onyourpersonal3-Dprinterwhowillvisitaretail零售的storeagain?anexperton3-DprintingtoldForbesNews.Evenmorefrighteningtheworld’sfirst3-DprintedgunwassuccessfullyfiredintheUSinMayofthisyearwhichmeansthat3-Dprintingcouldpotentiallygivemorepeopleaccesstoweapons.64.Accordingtothearticleinthefuture3-Dprintingtechnologywillprobably______.A.changethewaypeoplemakeproductsB.beappliedaswidelyinourdailylivesascomputersC.forbidmanycountriestomakepurchasesofweaponsD.taketheplaceofnormalprintersandsavelotsofenergy65.Whatwasthebigeventthathappenedinthe3-Dprintingindustrylastyear?A.Over6003-Dprintedobjectswereondisplayinanexhibition.B.3-Dprintingtechnologycametobeusedinvariousfields.C.Theworld’sfirst3-DprintedgunwassuccessfullymadE.D.The3-Dprinterbecamemoreaffordableforconsumers.66.Whatistheauthor’sattitudetoward3-Dprintingtechnology?A.AmuseD.B.ObjectivE.C.SupportivE.D.NegativE.

OncetwophoenixbirdsflewoverasmallvillageinHunanprovincE.ThevillagewassobeautifulthatthebirdsneverwantedtoleavE.ThislegendwasrecitedtomeduringmyvisittoFenghuangaddingamythical神秘的touchtothisancienttown.Fenghuangisasnapshotofidyllic田园诗般villagelifeinruralChinA.SetalongsidethebanksoftheTuojiangRiver.Fenghuangisfullofsmallwinding蜿蜒的alleysandsurroundedbylushgreenhills.Havingtraveleddirectlyfromthebustling喧嚣的cityofChangshaFenghuangwasabreathoffreshair.WhenIvisitedFenghuangitwasJuly.MyfriendandIexcitedlyexploredwalkingalongtheancientcitywallandcrossingthebeautifuloldbridges.DespitethecrowdsoftouristsitseemedasiflifeinthiscornerofChinahadnotchangedforcenturies.PeoplewereveryrelaxeD.Theywereneverbotheredbythehotweathernorbythetouristswalkingeatingandplayingoutdoors.Onourfirsteveningweboughtspicycoldnoodlesfromastreetvendorandateontheriverbankaswewatchedthesunset.WestayedinasmallhotelsimilartomanyofthetraditionalbuildingsinthevillagE.Ourroomwasbuiltonhighstilts桩子overthebanksoftheriver.Fromourwindowwecouldheartherushofthewaterandthesoundsofexcitedtouriststravelinginsmallboatsdownstream.EveninmoderntimestherivercontinuestobethelifeofthevillagE.Wesawpeoplebusyatworkcatchingfishorferrying摆渡touristsforsightseeing.Youngchildrenplayedinshallowwatersandfamilieswashedtheirclothesandutensils厨具.AftertwodaysexploringthevillageIcouldempathizewiththelegendofthephoenix.Iwasreluctant不情愿toleavE.24.Theauthormentionsthelegendofthephoenixbirdsinthefirstparagraph_.A.toshowherdeeploveinChinesecultureB.tointroducethetopicofhertriptothetownofFenghuangC.toexplainhowthetownofFenghuanggotitsnameD.todescribethebeautifulsceneryofthetownofFenghuang25.WhichofthefollowingaspectsofthetownofFenghuangarementionedinthearticle?A.populationB.geographyC.architectureD.weatherandclimateE.foodculturef.livinghabitsg.festivalactivitiesA.acdegB.bcdefC.cdefgD.abcde26.WecaninferfromthearticlethattheauthorfoundhertriptothetownofFenghuang_A.boringB.relaxingC.quiteanadventureD.awasteoftimeandmoney27.Theunderlinedwordempathizeinthelastparagraphprobablymeans_A.understandandsharethefeelingsofsomeoneelseB.stronglydisagreewithsomethingC.paycloseattentiontosomethingD.understandtheimportanceofsomething

Creativeconservationist环保者AsherJayisadesignerartistwriterandactivistwhoistryingtosavetheworld’smostthreatenedwildlifewithanunusualweapon:Art.Todayweneedeveryone’sinvolvementnotjustcoreconservationistssaysJay.Peoplewithnopreviousinterestinconservationtuneintomymessagesbecausetheyengagewithmyworkaesthetically.Itstartsasaninterestinartforart’ssakeandendswithmakinglifestylechanges.TheNewYork-basedartisthasbecomeavisualvoiceforarangeofenvironmentalcauses.InAfricascreensaversglowwithJay’sgraphicsofaPoachedrhinohorndrippingwithblooD.Jay’scartoonsofelephantskilledfortheirtuskshavebeenshowninNewYork’sTimesSquarewildotherworkshavespreadworldwideonsocialmediA.Therightimagecanovercomelanguageandculturalbarriersconnectingwithpeopleonanon-verbalemotionallevelshesays.Itallstartswithmakinganemotionalimpressionononeperson.OnlythenwillsomeonechangehabitsspeakoutordonatE.InrecentyearsmuchofJay’sbestknownworkhasfocusedontheillegalivorytradE.In2012shecreatedasilkscreenprintshowingastarkimageofanelephant’sheadsilhouettedinblackdrippingwithredbloodandaccentedbyatuskdecoratedwithimagesofelephants’families.Everytuskcostsalifesaidaccompanyingtext.Stoppoaching.Iwantedtovisualizethescaleandbrutalityofthecrisisandusearttotellthebloodivorystoryshesays.Everyyear35000elephantsareslaughtered;that’soneevery15minutes.Two-thirdsofAfrica’selephantshavebeenkilledfortusksinthelast35years.Ifthiscontinuesexpertspredictelephantsinthewildwillbeextinctinlessthantenyears.MuchofJay’sworkaroundpoachingaimssimplytocorrectawidespreadmisunderstanding.Manypeoplethinkanelephant’stuskorarhino’shornsimplyfallsofflikelosingatooth.Mygoalshesaysistomakethemunderstandthatelephantsdiepainfuldeathsbecausetheyarealiveandconsciousaspoacherscutouttheirtusks.63.Whatdoestheunderlinedwordpoachedinthethirdparagraphprobablymean?A.BrokenoptionallyB.IncidentallydecayedC.TakenillegallyD.Repairedcarelessly64.Whatcanwelearnfromthelastparagraph?A.Moreandmorepeoplecareaboutwildanimalsnow.B.Wildanimalswillbeextinctinlessthantenyears.C.Jaywantspeopletostopbuyingivoryproducts.D.Jay’sworksshowthepainofelephantsthatarepoacheD.65.Whatisthispassagemainlyabout?A.Anartist’sanimalworkaimstostopanimalslaughter.B.TheriskofextinctionforwildanimalsinJay’sworks.C.A.newwaytostopillegaltradedesignedbyanartist.D.Howpeoplehuntandabusewildanimals.66.WhatdoesJaysayabouttheeffectofart?A.Itisavisualvoiceforanimalprotection.B.Itneedswordstoillustrateitsmeaning.C.ItcanhelpmoremoneytobedonatedtopeopleinneeD.D.ItmakesanemotionalimpressiononpeoplE.

Someinventionsaresousefulbutseemsosimplethatwewonderwhynoonethoughtofthemlongago.Post-itNoteswereinventedabouttwentyyearsagobyArtFryascientistat3MCompany.Theideafortheproductcamefromanawfulexperienceheoftenhadwhilesinginginhischurchchoir.Fryusedpiecesofpaperasbookmarkstomarktheplacesinhisbookofsongsbutthesebookmarkswerealwaysfallingout.AroundthattimeFryheardaboutanewadhesive粘合剂thatacolleagueDr.SpenceSilverhadcreateD.ThisadhesivewasspecialbecauseitwasstrongenoughtoholdpaperstogetherbutnotstrongenoughtotearthepaperwhenitwasremoveD.AshorttimelaterFryrealizedthathisnewinventionhadevenmoreusesthanbeingagreatbookmark.HecametothisrealizationwhenhewroteanoteononeofhisnewbookmarksandattachedittoareporthewasgoingtogivetoacolleaguE.Soonco-workerswereaskingFryformoreofhisinventionsothattheycouldusethenewtypeofnotesthemselves.Fryandsomeotherpeopleat3MbelievedsomuchinthenewproductthattheyaskedthecompanytogiveawaythousandsofthestickypiecesofpaperfortrialusE.Whensomesalespeopleat3Mwenttoofficesandshowedworkersjusthowhelpfulthenewtypeofnotescouldbetheyimmediatelyreceivedmanyorders.AsmoreandmorepeoplediscoveredhowusefulPost-itNotescouldbetheproducttookoff.32.HowdidDr.SpencehelpArtFry?A.HisadhesivemadeArt’sinventionpossiblE.B.HeofferedthenewadhesivetoArt.C.HecreatedthePost-itNotes.D.HeoftenworkedanddiscussedsciencewithArt.33.WhichofthefollowingisapossibleuseofPost-itNotes?A.A.postcardfromabroaD.B.Anadinanewspaper.C.A.noteonafriend’sdoor.D.Ane-mailtoafrienD.34.Whichofthefollowingshowstheproperorderoftheevents?A.Thecompanygaveawaymanystickypiecesofpaperforpeopletotry.B.Dr.SpencecreatedanewadhesivE.C.ManyorderswerereceivedandthePost-itNotesbecamesuccessful.D.FryinventedPost-itNotes.E.Hiscolleaguesbegantousethenewtypesofnotesthemselves.A.dbaecB.baedcC.bdeacD.deabc35.Inwhichcolumnofanewspapercanwereadthispassage?A.EconomyB.RecreationC.CultureD.Science

Thepoachingorillegalkillingofrhinos犀牛inSouthAfricaisgrowingworseeachyear.Thegovernmentrecentlyreportedthatarecordnumberofrhinoswerepoachedin2014ayearwhichhadmorerhinokillingsinSouthAfricathaneverbeforE.TheWorldWildlifeFundorWWFsaysabout20000rhinosliveinSouthAfricA.Thatismorethan80percentoftherhinosintheworlD.EdnaMolewaSouthAfrica’senvironmentalissuesministersaysDuring2014wearesadtosaythis1215rhinoswerekilleD.Thisisariseinthenumberofpoachedrhinosfrom1004in2013andindeedveryworrying.Theanimalsarehuntedfortheirhorns犀牛角.ManypeopleinAsiabelievethehornhascuringpowerwhichdrivespoachersatallcostsmadformorehorns.Butthereisnoscientificevidenceforthisbelief.Thehornismadeofkeratin.Thatisthesamethingashumanhairfingernailsandtoenails.MsMolewasaid386suspectedpoacherswerearrestedlastyearanincreasefromtheyearbeforE.Butrhinoprotectionworkerssaypoachersoftengounpunishedafterarrest.SouthAfrica’slegalsystemisineffectivE.MsMolewasaidmoreneedstobedoneandSouthAfricaistakingstrongmeasurestoprotectrhinos.Theeffortsincludemovingsomeoftheanimalstosecretplacesinneighboringcountries.Nowapproximately100rhinoshavebeenmovedtoneighboringstatesintheSADCregionduring2014and200morerhinoswillbemovedthisyearMolewasaiD.JoShawtherhinoprogrammanagerattheWWFsaidWe’retalkingaboutalossofahundredrhinosamonth.Ormorethanthreeaday.Wereallyneedtoseeeffectiveactionnotjustatanationallevelbutinternationally.Shesaysofficialsshouldfindthecriminalgroupsresponsibleforthepoachingandpunishthem.GovernmentofficialsaretomeetinBotswanainMarchattheInter-governmentalConferenceonIllegalWildlifeTradE.12.Whatdoweknowaboutrhinos?A.HalfoftherhinosliveinSouthAfricA.B.Lessthan1000rhinoswerekilledin2013.C.Thekillingreachedthehighestpointin2014.D.Thereareonly20000rhinosleftintheworlD.13.Whatisthemainreasonforpeopletohuntrhinos?A.Togetmorekeratin.B.ToprotectthefarmlanD.C.Tousethemfordecoration.D.Tomakemoneyfromhorns.14.JoShawthinksthat_________.A.manycriminalgroupsarewellorganizedB.newlawsareneededtopunishthekillersC.rhinoprotectionneedsinternationalcooperationD.conferencesaboutprotectingrhinosaretobeheldeveryyear15.Whatcanweinferfromthetext?A.Rhinoprotectionhasalongwaytogo.B.NoonewouldliketobuyhornsinthefuturE.C.Theillegalkillingofrhinoswillsoondisappear.D.RhinoslivinginSouthAfricawillmovetoothercountries.

Ifyoucompareachimpanzee’s大猩猩boneswiththoseofamodernhumanonedifferencewillimmediatelyjumpoutatyou.Chimpbonesaredensely稠密的packedwithmicroscopicstructuresknownasspongy海绵的有弹性的bonE.Humanbonesaren’t.Thatrelativelackofspongybonemakesourskeletonslighterandincreasesourriskoffractures骨折andosteoporosis骨质疏松.Butweakerskeletonsandmorebrokenbonesdon’tseemlikegreatevolutionarystrategies.Sowhythechange?TwopaperspublishedonlinetodayintheProceedingsoftheNationalAcademyofSciencesproposeanexplanation.InthefirsttheycompareskeletonsformmodernchimpanzeestheearlyhumanancestorAustralopithecusafricanusNeandertalsearlyHomosapiensandtoday’smodernhumans.TheyfoundthatchimpanzeesAustralopithecusNeandertalsandeventheearlymodernhumanshadmuchhigherdensitiesofspongybonethantoday’shumans.Thatsuggeststhatthedrivingforcebehindthechangemightbemodernhuman’ssedentarylifestylefreeofthebone-strengtheningexerciseofchasingtheprey猎物andspendinghoursinsearchoffooD.Thesecondpaperfurthersupportsthathypothesis假说bycomparingthedensityofspongyboneinthehipjointsofnonhumanprimates灵长类动物ancienthunter-gatherersandancientfarmers.Thehunter-gatherers’hip臀部jointswereaboutasstrongasthoseoftheapes猿人howevertheancientfarmers’hipsshowedasignificantlossofspongybonE.Theresearchersconcludethatalackofnecessaryexerciseratherthananyevolutionarypressuretowardlighterskeletonsisthereasonformodernhuman’sweakbones.Soifyouwantastrongerskeletonstartexercisinglikeahunter-gatherer.77.Whichisnotthefeatureofthechimpanzee’sbonecomparedwithhumanbeings?A.SpongyB.denselyC.looseD.stronger78.Accordingtothepassagewhatthemeaningoftheunderlinedwordsedentary?A.OftentakingexercisesB.sittingforalongtimewithoutmovingC.bone-strengtheningexercisesD.active79.Accordingtothetwopapersmatchthepictureswiththerightnumbers.A.1-B;2-C;3-D4-AB.1-C;2-D;3-B;4-AC.1-A;2-D;3-B;4-CD.1-A;2-B;3-D;4-C1chimpanzees2Australopithecus3Neandertals4modernmansBonedensityA.B.C.D.80.Whatcanweinferfromtheresearch?A.ThehumanbecomesstrongerandstrongerB.ChimpanzeesaresmarterthanhumansC.Physicalexercisescanhelppeoplereducetheriskoffractureandosteoporosis.D.TheevolutionarypressuredrivesthehumanbonestructurelighterthanbeforE.

Bythetimewefinishedherring鲱鱼coveredthebottomoftheboatasdeepasmycalves腿肚子.Forthefirsttimeindaysmyfatherseemedhappyasaherringchoker捕鲱鱼的人.ThenhelookedatthewesternskyandhissmilefadeD.ThestormsweresweepingoutofCanadahardandfast.Noonecouldpredicttheirarrival.Allfishermenfearedthem.We’regoingbackmyfathersaiD.Hepulledthecordandstartedthemotor.Wewereonlytwomilesoutbuttheshorelinelookedtomeasfarawayasthemoon.Overthedistanthillsblackcloudsrantowarduslikewildhorses.Wemadeitonlyhalfwayhomebeforewemetthestorm.Thewindcamefirst.Itliftedthelakeinwhitecaps.Theweightoftheherringmadeusridelowinthewaterandthewavesbrokeoverourbow.MyfatherstruggledtoholdusoncoursE.I’dputonmyraincoatbutIhadnolifejacket.Thentherainfellsohardwecouldn’tseethelanD.Theboatwasfillingwithwater.IwasscaredbutIsawmyfathersittingstraightholdingtheboatsteadyintothewindandIfelthopeful.Hedidn’tlookhurtatall.Iwasstartingtothinkweweregoingtomakeit.That’swhenthemotordieD.Myfatherpulledthecordhardbutthemotorwouldn’tcatch.WewouldgodowninnotimE.Grabanoar浆hecriedabovethewinD.Healwayscarriedtwooarsforjustsuchamoment.WebegantopullharD.MyfathergruntedfrompainoreffortIcouldn’ttell.Hedughisoarintotheviolentlakeandbowedintothewindagain.WithallmystrengthIpulledonmyownoar.Thewindpushedhardagainstus.WsseemedtobefightingtheangerofthewholelakE.IwastireD.MyarmsfeltheavyandonfirE.Ididn’tknowhowmuchlongerIcouldpushthatoarthroughthewater.AsifheheardmythinkingmyfathercalledtomeIneedyouKarl.Onlyalittlelonger.SoIkeptrowing.JustwhenIthoughtIhadnomorestrengthIheardit.ThesoundofwavesbreakingagainsttheshorE.Wemovedintotheshelterofoursmallcoveandrodetheswellstowardthelanding.Mymotherrushedthroughtheraintogreetus.I’vebeensoworriedshesaiD.Shehuggedmeandthenmyfather.Nothingtoworryaboutheassuredher.Heputhishandonmyshoulder.Youdidwellson.Howdoyoufeel?TiredasIwasImanagedasmilE.Ifeellikeaherringchoker.39.Theauthor’sfatherdecidedtogobackbecause______.A.themotordidn’tworkwellB.theycouldn’tcatchmoreherringsC.thestormwouldarriveatanytimeD.itwastoocoldforthemtostayanylonger40.Theauthorcreatedapictureof______withtheunderlinedsentenceinParA.8.A.ararechanceB.aviolentstruggleC.anexcitingtripD.anamazingexperience41.AccordingtothepassagewhatwasthemainreasonKarlkeptrowingeventhoughhewasverytired?A.Hedidnotwanttoloseallthefish.B.HeknewthestormwasabouttoenD.C.HeknewhismotherwaswaitingonshorE.D.Hedidnotwanttodisappointhisfather.42.Wecanlearnfromthepassagetheauthorfelt______afterarrivinghomesafE.A.hewerearealmanB.heneededhisfather’spraiseC.heshouldn’thavegoneouttothelakeD.hewouldbeaherringchokerwhenhegrewup

Sincethe1970sscientistshavebeensearchingforwaystolinkthebrainwithcomputers.Brain­computerinterfaceBCItechnologycouldhelppeoplewithdisabilitiessendcommandstomachines.RecentlytworesearchersJoseMillanandMicheleTavellafromtheFederalPolytechnicSchoolinLausanneSwitzerlanddemonstratedasmallroboticwheelchairdirectedbyaperson'sthoughts.InthelaboratoryTavellaoperatedthewheelchairjustbythinkingaboutmovinghisleftorrighthanD.Hecouldeventalkashewatchedthevehicleandguideditwithhisthoughts.Ourbrainhasbillionsofnervecells.Thesesendsignalsthroughthespinalcord脊髓tothemusclestogiveustheabilitytomovE.Butspinalcordinjuriesorotherconditionscanpreventtheseweakelectricalsignalsfromreachingthemuscles.Tavellasays.Oursystemallowsdisabledpeopletocommunicatewithexternalworldandalsotocontroldevices.Theresearchersdesignedaspecialcapfortheuser.Thisheadcoverpicksupthesignalsfromthescalp头皮andsendsthemtoacomputer.Thecomputerinterpretsthesignalsandcommandsthemotorizedwheelchair.Thewheelchairalsohastwocamerasthatidentifyobjectsinitspath.Theyhelpthecomputerreacttocommandsfromthebrain.Prof.Millantheteamleadersaysscientistskeepimprovingthecomputersoftwarethatinterpretsbrainsignalsandturnsthemintosimplecommands.ThepracticalpossibilitiesthatBCItechnologyofferstodisabledpeoplecanbegroupedintwocategories:communicationandcontrollingdevices.Oneexampleisthiswheelchair.Hesayshisteamhassettwogoals.Oneistestingwithrealpatientssoastoprovethatthisisatechnologytheycanbenefitfrom.AndtheotheristoguaranteethattheycanusethetechnologyoverlongperiodsoftimE.32.BCIisatechnologythatcan________.A.helpthedisabledtorecoverB.controlaperson'sthoughtsC.helptoupdatecomputersystemsD.linkthehumanbrainwithcomputers33.HowdidTavellaoperatethewheelchairinthelaboratory?A.BymovinghishanD.B.ByusinghisminD.C.Bycontrollinghismuscles.D.BytalkingtothemachinE.34.WhichofthefollowingshowsthepathofthesignalsdescribedinParagraph5?A.scalp→cap→computer→wheelchairB.cap→computer→scalp→wheelchairC.scalp→computer→cap→wheelchairD.computer→cap→scalp→wheelchair35.Whichofthefollowingwouldbethebesttitleforthetext?A.BCICouldMeanMoreFreedomfortheDisabledB.RoboticVehiclesCouldHelptoCureBrainInjuriesC.SwitzerlandtheBCIResearchCenterD.NewFindingsAboutHowtheHumanBrainWorks

Atonetimecomputerswereexpectedlargelytoremovetheneedforpapercopiesofdocumentsbecausetheycouldbestoredelectronically.Butforallthetextsthatarewrittenstoredandsentelectronicallyalotofthemarestillendinguponpaper.ItisdifficulttomeasurethequantityofpaperusedasaresultofuseofInternet-connectedcomputersalthoughjustaboutanyonewhoworksinanofficecantellyouthatwhene-mailisintroducedtheprintersstartworkingovertimE.Ifeelinmybonesthisrevolutioniscausingmoretreestobecutdown.saysTedSmithoftheEarthVillageOrganization.PerhapsthebestsignofhowcomputerandInternetusepushesupdemandforpapercomesfromthehigh-techindustryitselfwhichseesprintingasoneofitsmostpromisingnewmarkets.SeveralInternetcompanieshavebeensetuptohelpsmallbusinessesprintqualitydocumentsfromacomputer.EarlierthisweekHewlett-PackardCo.announcedaplantodevelopnewtechnologiesthatwillenablepeopletoprintevenmoresotheycangetahardcopyofabusinessdocumentamedicalrecordorjustanon-linee-maileveniftheyarenowherenearacomputer.AsthecompanyseesitthemoreuseoftheInternetthegreaterdemandforprinters.Doesallthismeanenvironmentalconcernshavebeenforgotten?Someactivistssuggestpeoplehavebeenledtobelievethatalotofdangerstotheenvironmenthavegoneaway.IguesspeoplebelievethattheproblemistakencareofbecauseofrecyclingsaidKellyQuirkedirectoroftheRainforestActionNetworkinSanFrancisco.YetQuirkeishopefulthathigh-techmayalsoprovehelpful.Hesaysprintersthatprintonbothsidesaregrowinginpopularity.TheactiongrouphasalsofoundacceptablepapermadefrommaterialsotherthanwoodsuchasagriculturalwastE.28.Thegrowingdemandforpaperinrecentyearsislargelydueto_____.A.therapiddevelopmentofsmallbusinessesB.theopeningupofnewmarketsC.theprintingofhighqualitycopiesD.theincreaseduseoftheInternet29.Hewlett-PackardCo.hasdecidedtodevelopnewtechnologiesbecause____.A.peopleareconcernedabouttheenvironmentB.printersinmanyofficesareworkingovertimeC.smallcompaniesneedmorehardcopiesD.theyseeagrowingmarketforprinters30.Environmentalistsbelieveonepossiblewayofdealingwiththepapersituationis____.A.toencourageprintingmorequalitydocumentsB.todevelopnewprintersusingrecycledpaperC.tofindnewmaterialsformakingpaperD.toplantmorefastgrowingtrees31.Whatwouldbethebesttitleforthetext?A.ComputersandPrintersB.E-mailandtheBusinessWorldC.InternetRevolutionandEnvironmentD.ModernTechnologyandNewMarkets

Theybabyisjustonedayoldandhasnotyetlefthospital.Sheisquietbutalert警觉TwentycentimetersfromherfaceresearchershaveplacedawhitecardwithtwoblackspotsOnit.Shestaresatitcarefully.A.researcherremovesthecardandreplacesitbyanotherthistimewiththespotsdifferentlyspaceD.Asthecardschangefromonetotheotherhergaze凝视startstoloseitsfocus-untilathirdwiththreeblackspotsispresenteD.HergazereturnsshelooksatitfortwiceaslongasshedidatthepreviouscarD.Canshetellthatthenumbertwoisdifferentfromthreejust24hoursaftercomingintotheworld?Ordonewbornssimplyprefermoretofewer?Thesameexperimentbutwiththreespotsshownbeforetwoshowsthesamereturnofinterestwhenthenumberofspotschanges.Perhapsitisjustthenewness?Whenslightlyolderbabieswereshowncardswithpicturesofobjectsacombakeyanorangeandsoonchangingthenumberofobjectshadaneffectseparatefromchangingtheobjectsthemselves.Coulditbethepatternthattwothingsmakeasopposedtothree?Noagain.Babiespaidmoreattentiontosquaresmovingrandomlyonascreenwhentheirnumberchangedfromtwotothreeorthreetotwo.Theeffectevencrossesbetweensenses.Babieswhowererepeatedlyshowntwospotsbecamemoreexcitedwhentheythenheardthreedrumbeatsthanwhentheyheardjusttwo;likewist同样地whentheresearchersstartedwithdrumbeatsandmovedtospots.72.TheexperimentdescribedinParagraph1isrelatedtothebaby’s__.A.senseofhearing.B.senseofsight.C.senseoftouch.D.senseofsmell.73.Babiesaresensitivetothechangein______.A.thesizeofcards.B.thecolourofpictures.C.theshapeofpatterns.D.thenumberofobjects.74.Whydidtheresearcherstestthebabieswithdrumbeats?A.Toreducethedifficultyoftheexperiment.B.Toseehowbabiesrecognizesounds.C.Tocarrytheirexperimentfurther.D.Tokeepthebabies’interest.75.Wheredoesthistextprobablycomefrom?A.Sciencefiction.B.Children’sliteraturE.C.Anadvertisement.D.Asciencereport.

Growingstrawberriesinpots·Thebestwaytostartgrowingstrawberriesistobuypot-grownstrawberryplantsmspring5plantsareplentyforahangingbasketand10fortheaverage13inch-sizedpot.·Plantthemimmediatelyinsoil-basedcompost混合肥料andtheywillproduceamodestcropintheirfirstyear.Thesecondyearshouldseeabumper特大的cropfollowedbyaslightlyloweryield产量thethirdsummer.Thenstartagainwithfreshstock.·CarefulwateringandfeedingareessentialIfyouaretoharvestagoodcropyoumustneverletthecompostdryoutparticularlywhenthefruitisformingandripeningifyoudo.mostofyourcropwilldropoff血ebushalmostimmediately.·Waterwellthenleavethepotsforupto3weeksuntiltheyreachthepointofdryingoutbecarefulnottooverwaterthemduringthewintermonths.Pruningappletrees·Aone-year-oldtreeisknownasamaiden.Ithasasinglestemwhenpurchased.Immediatelyafterplantingcutitbackbyabouthalftoleave4goodbudsatthebaseofthestem..Thiswillforcegrowthfromthebaseortheplantduringthesummer.·Inthesecondyearpruneinwinterbycuttingallsidebranchesbackbyaboutone-thirdMakesureeachcutismadecleanlyjustaboveanoutward-facingbud.Inthethirdandfourthyearsnewsidebrancheswillhaveemergedfromthepreviousyear’sgrowth.Cutbackallthesenewsidebranchesbyathirdpruningtoanoutward-facingbud.·Bythefifthyearthetreeshouldhaveawell-balancedshape.Fromthenoncutbackallnewbranchesbyone-thirdinwinter.Removeanydiseasedwoodandbrokenbranchesandensurethecentreisopentoaircirculation68.Thetwopiecesofadviceprobablyappearin_________A.ascientificrepotB.agardeningguideC.abookreviewD..afashioncolumn69.Agoodcropofstrawberriesmainlydependson_________A.thesizeofapotB.theseasonofharvestingC.thenumberofplantsinapotD.carefulwateringandfeeding70.Cuttingbackallsidebranchesbyathirdisto__________A.removethediseasedandbrokenbranchesB.keepthewholetreeopentoaircirculationC.forcetheappletreetogrowfromthebaseinwinterD.helptheappletreetoformawell-balancedshape71.Thetwopiecesofadvicesuggestthatplantingiscloselyrelatedto_______A.seasonB.waterC.compostD.cutting

Inthelast30yearstheMake-A-WishFoundationhasgrantednearly300000wishesworldwidetochildrenbattlinglife-threateningillnessesthrowinglightonworldsdarkenedbydiseasesandbringinghopetochildrenandtheirfamilies.Withaforeword序byMake-A-WishcofounderFrankShankwitzOnceUponAwishsharesthewishesandstoriesofeightchildren.Thesefamiliesgenerouslyinviteusintotheirworldsallowingustobecomepartoftheirdarkestmomentstheirunimaginablerealitiestheirgreatesthopesdeepestfearsandunbelievablesuccesses.ExperiencethestoryofKatelynalittlegirlbecomingamedicalmarvel奇迹afterlightingalltheoddsstackedagainstherandmakingitherlife-longgoaltoraise$3millionforSt.JudeHospital;readaboutawheelchair-boundboyGarrettgivingthegiftofmobilitytodisabledCambodianmenandwomen;cheerforalittleboyDakotawhocollectsmillionsofpennieseachyeartohelpothersfightthediseaseheoncefought.Becomeinspiredandforever-changedbythegenerosityhopecourageandoptimismofthesechildrenandtheirfamiliesandexperiencethepoweroftwowords-Iwish.OnceUponA.Wishisacelebrationofhoperevealinghowwishes-come-truecanbecomemotivatorsandcherishedgiftsthatwilllastalifetimE.Price:$9.99Wheretodownload:AvailableontheiPhoneiPadiPodtouchandMaC.Category:Biographies&MemoirsPublished:Mar052013Publisher:BenBellaBooksInC.Seller:ThePerseusBooksGroupLLCPrintLength:352PagesLanguage:English33.WecanlearnthattheMake-A-WishFoundation____.A.wassetupintheearly1990sB.wassetuptohelppoorpeopleallovertheworldC.mainlyoffersfreetreatmenttoseverelysickchildrenD.aimsathelpingseverelysickchildrenfulfilltheirwishes34.WhatisOnceUponA.Wishmainlyabout?A.Wishesandstoriesofeightchildren.B.ThehistoryoftheMake-A-WishFoundation.C.Somechildren'sexperiencesofhelpingothers.D.FrankShankwitz'spersonalexperienceswithsomechildren.35.Dakotaspendsthemoneyhecollectsinhelping____.A.tosetupSt.JudeHospitalB.peopleinfectedwithAIDSC.disabledCambodiansmovearoundD.thosewhoarefightingthesamediseaseasheoncehad

Scientistshaveknownfordecadesthathavingmeasles麻疹suppresseskids’immunesystemsforseveralweeksormonthsleavingthemill-equippedtofightoffpneumoniabronchitisandotherinfections.Nowateamofresearchershassuggestedthatthemeaslesvirusmayalsoleavealonger-lastingsortofimmune-amnesiathatmakesitharderforpeopletostaveoffotherillnessesfortwoyearsormorE.Thatre-emphasizestheimportanceofvaccination疫苗saidbiologistMichaelMinaleadauthorofapaperthatwaspublishedinthejournalScience.Theremaybealong-lastingimpactthatyoucan’tundoifyourchildgetsmeasleshesaiD.Ihopethisstudycanimpressuponpeoplethedangermeaslesposes.TheresearchersusedwhatMinacalledanunconventionalapproachtosearchforthelong-lastingimmunesystemeffects.PreviousworkinmonkeyssuggestedthatmonkeyswiththediseaselostwhitebloodcellstheirbodieshadtrainedtofightoffotherillnessesleavingthemmorelikelytobeinfecteD.Totestifasimilarthingmayoccurinhumansthegroupminedhistoricaldatatofindouttherelationshipbetweenmeaslesincidence发病率anddeathsfromotherinfectiousdiseases.TheyturnedtodatafromEnglandandWales—developednationswherediseaselevelsaregenerallylowallowingaless-confusedviewofmeasles’effects.StudyingmeaslesincidenceanddeathsfrominfectiousdiseasebothbeforeandaftertheintroductionofthemeaslesvaccineintheU.K.inthe1960sMinaandtheteamsawasortofshadoweffectwheredeathsfromavarietyofnon-measlesinfectiousdiseasescloselytrackedmeaslesincidencE.Themoremeaslesinapopulationthemoredeathsfromotherillnessesinthe28-monthperiodthatfolloweD.Reallyitdidn’tmatterwhatagegroupwhatdecadeorwhatcountrysaidMinA.Theyallshowedconsistentresultswhatwe’resuggestinghappensoverthelongtermisthatyourimmunesystemworksfinebutithasforgottenwhatitpreviouslylearneD.Someresearcherswhowerenotinvolvedintheworkquestionedwhetherthereductionsindeathsasmeaslescasesdeclinedmayhavehadmoretodowithimprovingnutritionandsmallerfamilysizethanwithprolongedimmunesuppression.Othersthoughtthepaper’sopinionofyears-longsuppressionwasseeminglyreasonablebutsaidtheycouldnotcommentonthemathematicalmodelsthegroupuseD.ToknowforcertainwhatwasbehindtheeffectthegroupsawMinaagreedscientistswouldneedtolookatimmunecellsandobservetheirbehavior.Hesaidhewouldliketopushtheworkinamoretraditionaldirection:backintothelaboratory.62.WhydidMinacalltheirresearchmethodanunconventionalapproach?A.TheirresearchwasbasedonthehistoricaldatA.B.Theirresearchcomparedmonkeyswithhumans.C.Theyonlypaidattentiontodevelopednations.D.Theydiscoveredasortofshadoweffect.63.AccordingtoMinawhatisthesignificanceoftheirresearch?A.Theywarnedpeoplethatmeaslescanresultinotherinfectiousdiseases.B.Theycarriedouttheresearchonmeaslesinanunconventionalapproach.C.Theyshowedhowdangerousmeaslesisandtheimportanceofvaccination.D.Theyfoundoutthediseaselevelsaregenerallylowindevelopednations..64.TheunderlinedphrasestaveoffinParagraph2isclosestinmeaningto________.A.keepawayB.survivefromC.searchforD.turndown65.Whichofthefollowingmaybethebesttitleofthepassage?A.MeasleshasbeentheoriginofotherdiseasesanddeathsB.NewresearchconductedintomeasleshasbeenwidelyquestionedC.Studypointstoyears-longimmunesystemmisfortunesfrommeaslesD.Damagecausedbymeaslestotheimmunesystemcouldlastseveralweeks

IfyouwalkslowlythroughdowntownHelsinki赫尔辛基duringthedaytakinginthesplendid19thcenturybuildingswhiteboatsandnoiseofpassingtrams有轨电车youwillstarttounderstandwhyitiscalledacityoftwocolors:whiteandbluE.TheseaisalwayspresentinHelsinki.Whenyoutakeawalkoverthegreatopenspaceofthecentralsquareyouwillhearseabirdsscreaming.WhenyoutakethetramsuddenlyandunexpectedlyyouarefacedwithacalmshiningblueseA.YoumaynoticethatpeopleinHelsinkidonotrushaboutasinothercities.Insteadtheywalkalongtheroadspolitelylettingotherpeopleby.AusualwaytoseeHelsinkiforthefirsttimeistostartoutbytheboats.Youwillwalkbytheelderlywomensellingfishandvegetablesinthemarketsquareandfindyourselfinfrontofabeautifulpark.Youmayenjoyapleasantwalkintheparkforafewhoursandthentakethetram.TramsaretheperfectwaytogetaroundinHelsinki.Watchingtheoldhousesparkstheatreschurchesshopsrestaurantsandpeopleinthestreetsyoumayhaveaslightlysadfilmfeelingtoit.Thepalesummernightsareanotherwonderinthecity.Followingthewaterfront滨水区ofthecityaftersunsetyoucouldn’thelpstoppingandlisteningtothesweetsilenceinterruptedonlybythescreamingseabirdsandleavingfishingboats.HoweverinsomewayHelsinkiisalsothemostmoderncityinnorthernEuropE.YouwillsurelywanttovisitthewhiteGlassPalacethemodernartmuseumandallthoseextremelypopularcafesanddesignstores.32.Helsinkiiscalledacityoftwocolorsmainlybecauseofthecolorsofits________.A.oldbuildingsboatsandtheseaB.parksseabirdsand19thcenturybuildingsC.tramsseabirdsand19thcenturybuildingsD.thewaterfrontandtrams33.ThebestwaytoseemostofHelsinkiistogo________.A.bybusB.bywaterC.bywalkingD.bytram34.The19thcenturybuildingsthewhiteGlassPalacepopularcafesanddesignshopsinHelsinkiallshowthatHelsinkiis_________.A.bothexcellentandpeacefulB.bothquietandtraditionalC.bothbeautifulandfashionableD.bothhistoricalandmodern35.Thispassageismostlikelytobefoundin_________.A.ahistorytextbookB.atravelmagazineC.thenewspaperD.ageographytextbook

Greatwhitesharks!Justhearingthatnamemakesmanypeople’shairstandonend.Inrealitythesebigfishhavemoretofearfromusthanwedofromthem.FormanyyearspeoplekilledcountlessgreatwhitesharksinthewatersaroundtheUnitedStates.Butthankstoconservation保护effortsgreatwhitesaremakingacomebackintheU.S.Tworecentstudiesshowthatthepopulationofthesesharksisrisingalongtheeastandwestcoast.Whyisthegrowingpopulationofakillerfishsomethingtocelebrate?WhenyoufishtoomanyofthemyoustarttolosebalanceintheenvironmentsayssharkresearcherTobeyCurtis.AsthebiggestkillersharkshelpkeepthepopulationsoffishsealsandothercreaturestheyeatfromgrowingtoolargE.Inspiteoftheirimportancegreatwhitesharkshadlongbeenhuntedfortheirmeatandtheirfins鳍.Thenin1997theU.S.governmentpassedalawthatdidn’tallowthehuntingofgreatwhites.AfterwardsthenumbersofthesesharksintheU.S.watersstartedtoincreasE.Thelawwasn’ttheonlythingthathashelpedgreatwhites.Conservationistshavealsoplayedapartinthesharks’comeback.TheresearchgroupOCEARCHisusingamethodcalledtagging加标签tohelpchangepeople’sattitudesaboutgreatwhitE.Theyletthepublicfolloweachsharkasittravelstheworld’soceans.OCEARCHalsogiveseachtaggedsharkanametohelppeopleformacloserconnectionwiththebigfish.Thegroup’smostwell-knownsharkisnamedKatharinE.ShewastaggedlastyearnearCapeCodMassachusetts.SincethenthousandsofpeoplehavetrackedKatharine’smovementsonTwitterandtheOCEARCHwebsitE.Thishelpspeopleseesharksinanewway.ChrisFischerthefounderofOCEARCHbelieveslearningtoappreciategreatwhiteswillencouragepeopletodomoretoprotectthem.28.Theunderlinedpartmakesmanypeople’shairstandonendinParagraph1canbestbereplacedby______.A.worriesmanypeopleB.boresmanypeopleC.frightensmanypeopleD.interestsmanypeople29.Thelawpassedin1997______.A.seemedveryhelpfulB.letscientistsdownC.neededtobechangedD.madepeoplelikegreatwhites30.Katharine’sexampleisusedtoshowthat______.A.greatwhitesareinfactlovelyanimalsB.theOCEARCHwebsitehasalotofvisitorsC.thenumberofgreatwhitesisgrowingquicklyD.OCEARCHhelppeoplegetclosertogreatwhites31.Themainpurposeofthepassageisto______.A.introduceanexperimentresultB.makeanadvertisementforOCEARCHC.remindusthatbigkillersaredyingoutD.informusthatgreatwhitesaremakingacomeback

Haveyoueverwonderedwhybirdssing?Maybeyouthoughtthattheywerejusthappy.Afterallyouprobablysingwhenyouarehappy.Somescientistsbelievethatbirdsdosingsomeofthetimejustbecausetheyarehappy.Howevertheysingmostofthetimeforaverydifferentreason.Theirsingingisactuallyawarningtootherbirdstostayoutoftheirterritory.Doyouknowwhataterritoryis?A.territoryisanareathatananimalusuallythemaleclaims声称asitsown.OnlyheandhisfamilyarewelcometherE.NootherfamiliesofthesamespeciesarewelcomE.YourhouseisyourterritorywhereonlyyourfamilyandfriendsarewelcomE.Ifastrangershouldenteryourterritoryandthreatenyouyoumightshout.Probablythiswouldbeenoughtofrightenhimaway.Ifsoyouhaveactuallyfrightenedthestrangerawaywithouthavingtofighthim.A.birddoesthesamething.Butheexpectsanoutsideralmostanytimeespeciallyatnesting筑巢season.Soheisscreamingallthetimewhetherhecanseeanoutsiderornot.Thisscreamingiswhatwecallabird’ssonganditisusuallyenoughtokeepanoutsideraway.60.Somescientistsbelievethatmostofthetimebird’ssingingisactually________.A.anexpressionofhappinessB.awayofgreetingC.anexpressionofangerD.awayofwarning61.Whatisabird’sterritoryA.A.placewherefamiliesofotherspeciesarenotaccepteD.B.A.placewhereabirdmayshoutatthetopofitsvoicE.C.Anareaforwhichbirdsfightagainsteachother.D.Anareawhichabirdconsiderstobeitsown.62.Whydobirdskeeponsingingatnestingseason?A.Becausetheywanttoinvitemorefriends.B.Becausetheirsinginghelpsfrightenoutsidersaway.C.BecausetheywanttofindoutsidersarounD.D.Becausetheirsinginghelpsgetridoftheirfears.63.Howdoesthewriterexplainbirds’singing?A.Bycomparingbirdswithhumanbeings.B.Byreportingexperimentresults.C.Bydescribingbirds’dailylifE.D.Bytellingabird’sstory.

TEACHDISADVANTAGEDCHILDRENINQUITOINECUADORTeachinniceandbeautifulEcuador厄瓜多尔!Thegovernmentschoolweworkwithhasabout200pupilsagedfrom5to14yearsolD.Thechildrencomefrommanydifferenteconomicbackgroundsandfamilysituations.Someofthechildrenaresupportedbytheupper-classemployersoftheirparents;otherscannotattendschooleverydayastheysellsomethinginthestreetsforpartsoftheweek.Thisschoolreallyneedsvolunteersandyou’llbegreatlyappreciateD.You’llworkwithdisadvantagedchildrenwhowillbenefitgreatlyfromyourhelp!YouwillbeabletoteachEnglishandmanyothersubjects—ITsportsmusicartdramaanythingyouhaveagoodknowledgein!Pleaseletusknowifyouhaveaspecialinterestandwewilldoourbesttotailor-make定制yourproject!SUMMARYFACTFILEPrice:From￡775excludingflightsDuration:From2weeksto6monthssubjecttovisarequirementsStartDates:Allyearround—youchooseyourstartandfinishdatesRequirements:Atleastaged17noqualificationsnecessarybutyou’llhavetobeenthusiastiC.You’llneedtoknowalittleSpanishtodothisprojectbutifyouhavenoknowledgeofSpanishatallyoucancombineyourprojectwith1-weekintensive强化的SpanishcourseinQuitobeforestartingyourproject.WAHTYOU’LLGAINFROMDOINGTHISPROJECT:•Anexcitingnever-to-be-forgottenadventureinthefascinatingcultureofEcuador•Thegreatsatisfactionofhelpingdisadvantagedchildrenandadultsandknowingthatyoumadeadifferencetothem•Newskillsmoreconfidenceagreaterunderstandingofadifferentcultureinvaluablepersonalandprofessionaldevelopment•AnentryonyourCVthatmakesyoustandheadandshouldersaboveothersinthejobmarket•Andbestofall...anunforgettableexperience!51.WhichofthefollowingcorrectlydescribesthepupilsinQuito?A.Theyareallweakatlearning.B.Theyarealldisabledchildren.C.Theyareallfromrichfamilies.D.Theyareallfrompoorfamilies.52.A.membertobeadmittedintotheprojectshould________.A.knowEnglishandSpanishwellB.havecollegecertificatesC.beover17withenthusiasmD.affordaholidayofoneyear53.Thispassageiswrittenwiththepurposeof________.A.callinginsomevoluntaryteachersB.tellingthereaderswheretocampC.providinginformationonthejobmarketD.introducinghowtojoinatailor-madeprofession

AccordingtotheUSgovernmentwindfarmsoffthePacificcoastcouldproduce900gigawattsofelectricityeveryyear.Unfortunatelythewaterthereisfartoodeepforeventhetallestwindmillstotouchbottom.AnexperimentunderwayoffthecoastofNorwayhowevercouldhelpputthemanywhere.TheprojectcalledHywindistheworld’sfirstlarge-scaledeepwaterwindturbine涡轮发电机.Althoughitusesafairlystandard152-ton2.3-megawattturbineHywindrepresentstotallynewtechnology.Theturbinewillbefixed213feetabovethewateronafloatingsparatechnologyHywind’screatortheNorwegiancompanyStatoilHydrohasdevelopedrecently.Thesteelsparwhichisfilledwithstonesandgoes328feetbelowtheseasurfacewillbetiedtotheoceanfloorbythreecables;thesewillkeepthesparstableandpreventtheturbinefrommovingupanddowninthewaves.Hywind’sstabilityinthecoldandroughseawouldprovethateventhedeepestcornersoftheoceanaresuitableforwindpower.IfallgoesaccordingtotheplantheturbinewillstartproducingelectricitysixmilesoffthecoastofsouthwesternNorwayasearlyasSeptember.ToproduceelectricityonalargescaleacommercialwindfarmwillhavetousebiggerturbinesthanHywinddoesbutit’sdifficultenoughtobalancesuchalargeturbinesohighonafloatingsparinthemiddleoftheocean.Tomakethatturbineheavierthewholespar’scenterofgravitymustbemovedmuchclosertotheocean’ssurface.Todothatthecompanyplanstodesignanewkindofwindturbineonewhosegearbox变速箱sitsatsealevelratherthanbehindtheblades.Hywindisatestrunbutthebenefitsforperfectingfloatingwind-farmtechnologycouldbeextremelylarge.Outatseathewindisoftenstrongerandsteadierthanclosetoshorewhereallexistingoffshorewindmillsareplanted.Deep-seafarmsareinvisiblefromlandwhichhelpsovercomethewindmill-as-eyesoreobjection.Ifthetechnologycatchesonitwillopenupvastareasoftheplanet’ssurfacetooneofthebestlow-carbonpowersourcesavailable.1.TheHywindprojectusestotallynewtechnologytoensurethestabilityof_________.A..thecableswhichtiethespartotheoceanfloorB..thesparwhichisfloatingindeep-seawaterC..thebladesdrivenbystrongandsteadyseawindD..thestonesfilledinthesparbelowtheseasurface2.Tobalanceabiggerturbinehighonafloatingsparanewtypeofturbineistobedesignedwithitsgearboxsitting_________.A..ontheseafloorB..onthespartopC..atsealevelD..behindtheblades3.Wideapplicationsofdeepwaterwindpowertechnologycan_________.A..solvethetechnicalproblemsofdeepwaterwindmillsB..makefinancialprofitsbyproducingmoreturbinesC..settletheargumentsaboutenvironmentalproblemsD..explorelow-carbonpowerresourcesavailableatsea