There is a ______ of impatience in the tone of his voice.

—Youwants______sandwich—YesIusuallyeatalotwhenI'mhungry.

RecentlyIflewtoLasVegastoattendameeting.Aswewereabouttoarrivethepilotannouncedwithapologythattherewouldbeaslight16beforesettingdown.Highdesertwindshad17theairporttocloseallbutonerunway.Hesaidthatwewouldbe18thecityforafewminuteswaitingto19.Wewerealsotoldtoremaininourseatsmeanwhilewithourseatbeltsfastened20theremightbeafewbumps颠簸.Wellthatfewminutesturnedintoaboutfour-fiveminutesincludingaridethatwouldmakearollercoaster过山车21bycomparison.Themovementwassofiercethatseveralpassengersfelt22andhadtouseairsicknessbags.Asyoumightguessthat’snotagoodthingtohavehappeninan23spacebecauseitonly24toincreasethediscomfortofthesituation. Abouttwentyminutesintotheadventuretheentireairplanebecamevery25Therewasnowasenseofanxietyandfearthatcouldbe26noticed.Everypassengersimplyheldonfordearlifeexceptone.A27washavingagoodtime！Witheachbumpofthe28hewouldletoutagiggle咯咯地笑ofdelight.AsIobservedthisI29thathedidn’tknowhewassupposedtobeafraidandworriedabouthis30.Heneitherthoughtaboutthepastnoraboutthefuture.Thosearewhatwegown--upshavelearnedfrom31.Hewas32theridebecausehehadnotyetbeentaughttofearit.HavingunderstoodthisItookadeepbreathand33backintomyseatpretendingIwas34onarollercoaster.Ismiledfortherestoftheflight.Ieven35togiggleonceortwicemuchtothechagrin随恼ofthemansittingnexttomeholdingtheairsicknessbag. 32

命题x∈Z使x2+2x+m≤0的否定是

Formanypeopletodayreadingisnolongerrelaxation.Tokeepuptheirworktheymustreadlettersreportstradepublicationsinterofficecommunicationsnottomentionnewspapersandmagazines:aneverendingfloodofwords.In1ajoboradvancinginonetheabilitytoreadandcomprehend2canmeanthedifferencebetweensuccessandfailure.Yettheunfortunatefactisthatmostofusare3readers.Mostofusdeveloppoorreading4atanearlyageandnevergetoverthem.Themaindeficiency5intheactualstuffoflanguageitself—words.Takenindividuallywordshave6meaninguntiltheyarestrungtogetherintophrasessentencesandparagraphs.7howevertheuntrainedreaderdoesnotreadgroupsofwords.Helaboriouslyreadsonewordatatimeoftenregressingto8wordsorpassages.Regressionthetendencytolookbackover9youhavejustreadisacommonbadhabitinreading.Anotherhabitwhich10downthespeedofreadingisvocalization—soundingeachwordeitherorallyormentallyas11reads.Toovercomethesebadhabitssomereadingclinicsuseadevicecalledan12whichmovesabarorcurtaindownthepageatapredeterminedspeed.Thebarissetataslightlyfasterrate13thereaderfindscomfortableinordertostretchhim.Theacceleratorforcesthereadertoreadfast14wordbywordreadingregressionandsubvocalizationpracticallyimpossible.Atfirst15issacrificedforspeed.Butwhenyoulearntoreadideasandconceptsyouwillnotonlyreadfaster16yourcomprehensionwillimprove.Manypeoplehavefound17readingskilldrasticallyimprovedaftersometraining.18CharlieAuabusinessmanagerforinstance.Hisreadingratewasareasonablygood172wordsaminute19thetraining;nowitisanexcellent1378wordsaminute.Heisdelightedthathowhecan20alotmorereadingmaterialinashortperiodoftime.

一个不透明的口袋里装有红白黄三种颜色的乒乓球除颜色外其余都相同其中有白球2个黄球1个若从中任意摸出一个球这个球是白球的概率为0.5．1求口袋中红球的个数2若从中摸出一个球后不放回再摸出一个球通过画树状图或列表分析求两次均摸到白球的概率．

请简要回答研究性学习的含义及其本质

RecentlyIflewtoLasVegastoattendameeting.Aswewereabouttoarrivethepilotannouncedwithapologythattherewouldbeaslight16beforesettingdown.Highdesertwindshad17theairporttocloseallbutonerunway.Hesaidthatwewouldbe18thecityforafewminuteswaitingto19.Wewerealsotoldtoremaininourseatsmeanwhilewithourseatbeltsfastened20theremightbeafewbumps颠簸.Wellthatfewminutesturnedintoaboutfour-fiveminutesincludingaridethatwouldmakearollercoaster过山车21bycomparison.Themovementwassofiercethatseveralpassengersfelt22andhadtouseairsicknessbags.Asyoumightguessthat’snotagoodthingtohavehappeninan23spacebecauseitonly24toincreasethediscomfortofthesituation. Abouttwentyminutesintotheadventuretheentireairplanebecamevery25Therewasnowasenseofanxietyandfearthatcouldbe26noticed.Everypassengersimplyheldonfordearlifeexceptone.A27washavingagoodtime！Witheachbumpofthe28hewouldletoutagiggle咯咯地笑ofdelight.AsIobservedthisI29thathedidn’tknowhewassupposedtobeafraidandworriedabouthis30.Heneitherthoughtaboutthepastnoraboutthefuture.Thosearewhatwegown--upshavelearnedfrom31.Hewas32theridebecausehehadnotyetbeentaughttofearit.HavingunderstoodthisItookadeepbreathand33backintomyseatpretendingIwas34onarollercoaster.Ismiledfortherestoftheflight.Ieven35togiggleonceortwicemuchtothechagrin随恼ofthemansittingnexttomeholdingtheairsicknessbag. 34

I'mnotquitesurehowtogetthere.I'dbetter______amap.

已知如图在直角梯形ABCD中AD∥BC∠ABC=90°DE⊥AC于点F交BC于点G交AB的延长线于点E且AE=AC． 1求证BG=FG 2若AD=DC=2求AB的长．  

Formanypeopletodayreadingisnolongerrelaxation.Tokeepuptheirworktheymustreadlettersreportstradepublicationsinterofficecommunicationsnottomentionnewspapersandmagazines:aneverendingfloodofwords.In1ajoboradvancinginonetheabilitytoreadandcomprehend2canmeanthedifferencebetweensuccessandfailure.Yettheunfortunatefactisthatmostofusare3readers.Mostofusdeveloppoorreading4atanearlyageandnevergetoverthem.Themaindeficiency5intheactualstuffoflanguageitself—words.Takenindividuallywordshave6meaninguntiltheyarestrungtogetherintophrasessentencesandparagraphs.7howevertheuntrainedreaderdoesnotreadgroupsofwords.Helaboriouslyreadsonewordatatimeoftenregressingto8wordsorpassages.Regressionthetendencytolookbackover9youhavejustreadisacommonbadhabitinreading.Anotherhabitwhich10downthespeedofreadingisvocalization—soundingeachwordeitherorallyormentallyas11reads.Toovercomethesebadhabitssomereadingclinicsuseadevicecalledan12whichmovesabarorcurtaindownthepageatapredeterminedspeed.Thebarissetataslightlyfasterrate13thereaderfindscomfortableinordertostretchhim.Theacceleratorforcesthereadertoreadfast14wordbywordreadingregressionandsubvocalizationpracticallyimpossible.Atfirst15issacrificedforspeed.Butwhenyoulearntoreadideasandconceptsyouwillnotonlyreadfaster16yourcomprehensionwillimprove.Manypeoplehavefound17readingskilldrasticallyimprovedaftersometraining.18CharlieAuabusinessmanagerforinstance.Hisreadingratewasareasonablygood172wordsaminute19thetraining;nowitisanexcellent1378wordsaminute.Heisdelightedthathowhecan20alotmorereadingmaterialinashortperiodoftime.

如下图所示把一张矩形纸片ABCD沿EF折叠后点CD分别落在C’D’的位置上EC’交AD于点G．已知∠EFG=58°那么∠BEG=．

以直角三角形ABC的两直角边ACBC为一边各向外侧作正方形ACDEBCGH连结BEAH分别交ACBC于PQ．求证CP=CQ．

Opinionpollsarenowbeginningtoshowthatwhoeveristoblameandwhateverhappensfromnowonhighunemploymentisprobablyheretostay.Thismeansweshallhavetofindwaysofsharingtheavailableemploymentmorewidely.Butweneedtogofurther.Wemustasksomefundamentalquestionsaboutthefuturework.ShouldwecontinuetotreatemploymentasthenormShouldwenotratherencouragemanywaysforself-respectingpeopletoworkShouldwenotcreateconditionsinwhichmanyofuscanworkforourselvesratherthanforanemployerShouldwenotaimtorevivethehouseholdandtheneighborhoodaswellasthefactoryandtheofficeascentersofproductionandworkTheindustrialagehasbeentheonlyperiodofhumanhistoryinwhichmostpeople’sworkhastakentheformofjobs.Theindustrialagemaynowbecomingtoanendandsomeofthechangesinworkpatternswhichitbroughtmayhavetobereversed.Thisseemsadauntingthought.Butinfactitcouldoffertheprospectofabetterfutureforwork.Universalemploymentasitshistoryshowshasnotmeanteconomicfreedom.Employmentbecamewidespreadwhentheenclosuresofthe17thand18thcenturiesmademanypeopledependentonpaidworkbydeprivingthemoftheuseofthelandandthusofthemeanstoprovidealivingforthemselves.Thenthefactorysystemdestroyedthecottageindustriesandremovedworkfrompeople’shomes.Laterastransportimprovedfirstbyrailandthenbyroadpeoplecommutedlongerdistancestotheirplacesofemploymentuntileventuallymanypeople’sworklostallconnectionwiththeirhomelivesandtheplacesinwhichtheylive.Meanwhileemploymentputwomenatadisadvantage.Inpreindustrialtimesmenandwomenhadsharedtheproductiveworkofthehouseholdandvillagecommunity.Nowitbecamecustomaryforthehusbandtogoouttopaidemploymentleavingtheunpaidworkofthehomeandfamiliestohiswife.Taxandbenefitregulationsstillassumethisnormtodayandrestrictmoreflexiblesharingofworkrolesbetweenthesexes.Itwasnotonlywomenwhoseworkstatussuffered.Asemploymentbecamethedominantformofworkyoungpeopleandoldpeoplewereexcluded—aproblemnowasmoreteenagersbecomefrustratedatschoolandmoreretiredpeoplewanttoliveactivelives.Allthismaynowhavetochange.Thetimehascertainlycometoswitchsomeeffortandresourcesawayfromtheidealistgoalcrea-tingjobsforalltotheurgentpracticaltaskofhelpingmanypeopletomanagewithoutfull-timejobs.Whatdoestheworddauntinginthethirdparagraphmean

试述小学数学教学产生的主要途径．

已知如图在直角梯形ABCD中AD∥BC∠ABC=90°DE⊥AC于点F交BC于点G交AB的延长线于点E且AE=AC． 1求证BG=FG 2若AD=DC=2求AB的长．  

计算

什么是人的身心发展人的身心发展包括哪些方面它们之间的关系如何

从抛物线y2=4x上一点P引抛物线准线的垂线垂足为M且|PM|=5设抛物线的焦点为F则△MPF的面积为______

学习权

数列an满足an+1=an-3n≥1且a1=7则a3的值是______．

如图抛物线关于x轴对称它的顶点在坐标原点点P12Ax1y1Bx2y2均在抛物线上． 1写出该抛物线的方程及其准线方程 2当PA与PB的斜率存在且倾斜角互补时求直线AB的斜率．

如下图所示桌面上放置了红黄蓝三个不同颜色的杯子杯口朝上我们做蒙眼睛翻杯子杯口朝上的翻为杯口朝下杯口朝下的翻为杯口朝上的游戏． 1随机翻一个杯子求翻到黄色杯子的概率 2随机翻一个杯子接着从这三个杯子中再随机翻一个请利用树状图求出此时恰好有一杯口朝上的概率．

Howmuch______shelookedwithoutherglasses!

计算

Formanypeopletodayreadingisnolongerrelaxation.Tokeepuptheirworktheymustreadlettersreportstradepublicationsinterofficecommunicationsnottomentionnewspapersandmagazines:aneverendingfloodofwords.In1ajoboradvancinginonetheabilitytoreadandcomprehend2canmeanthedifferencebetweensuccessandfailure.Yettheunfortunatefactisthatmostofusare3readers.Mostofusdeveloppoorreading4atanearlyageandnevergetoverthem.Themaindeficiency5intheactualstuffoflanguageitself—words.Takenindividuallywordshave6meaninguntiltheyarestrungtogetherintophrasessentencesandparagraphs.7howevertheuntrainedreaderdoesnotreadgroupsofwords.Helaboriouslyreadsonewordatatimeoftenregressingto8wordsorpassages.Regressionthetendencytolookbackover9youhavejustreadisacommonbadhabitinreading.Anotherhabitwhich10downthespeedofreadingisvocalization—soundingeachwordeitherorallyormentallyas11reads.Toovercomethesebadhabitssomereadingclinicsuseadevicecalledan12whichmovesabarorcurtaindownthepageatapredeterminedspeed.Thebarissetataslightlyfasterrate13thereaderfindscomfortableinordertostretchhim.Theacceleratorforcesthereadertoreadfast14wordbywordreadingregressionandsubvocalizationpracticallyimpossible.Atfirst15issacrificedforspeed.Butwhenyoulearntoreadideasandconceptsyouwillnotonlyreadfaster16yourcomprehensionwillimprove.Manypeoplehavefound17readingskilldrasticallyimprovedaftersometraining.18CharlieAuabusinessmanagerforinstance.Hisreadingratewasareasonablygood172wordsaminute19thetraining;nowitisanexcellent1378wordsaminute.Heisdelightedthathowhecan20alotmorereadingmaterialinashortperiodoftime.

We'vejustmovedintoabiggerhouseandthere'slottodo.Let'sit.

班级目标管理

已知两个实数集合A=a1a2a100与B=b1b2b50若从A到B的映射f使得B中每个元素都有原象且fa1≤fa2≤≤fa100则这样的映射共有

如下图所示桌面上放置了红黄蓝三个不同颜色的杯子杯口朝上我们做蒙眼睛翻杯子杯口朝上的翻为杯口朝下杯口朝下的翻为杯口朝上的游戏． 1随机翻一个杯子求翻到黄色杯子的概率 2随机翻一个杯子接着从这三个杯子中再随机翻一个请利用树状图求出此时恰好有一杯口朝上的概率．

已知函数x∈R． 1求fx的最小正周期和最小值 2已知求证[fβ]2-2=0．

______在全面发展教育中起着灵魂与统帅作用．

Behindourhouseisthestartofafascinatingtrail小径.Thistrailisoneoftheoldroadsthatwindthroughuntoldmilesofforest.My36BeansandIwalkthetrailfrequently.NormallyBeanssniffsalongsidethetrailtofollowthesmellofadeertrackorexploresomecauseknownonlytohim. Beansisawhitedogquitehandsomeandverysmart.Henotonlyunderstandswhatwetellhimbutalsooftenmakessoundsasifheweretryingto37back. Onemorningwetookadifferentroutewhichledustoanunfamiliartrail.Iwassurethistrailwouldeventuallyleadustoourfamiliar38.Butno.Weseemedtobefaroffcourse.AftertwohoursIsuddenlyrealizedthatBeansprobably39thewayhome.SoIurgedBeanstakemehome.Herandownanewtrail.Butitmerelyledtoanintersection岔道口oftrails. Soonitbecame40thatweweregettingnowhere.Ibegantopicturetherestofthedayinthe41withoutfoodordrink.Wehadwalkedabouttenmiles.ButBeansseemedtotally42Thesniffingandexploringwasgoingwellforhim. Finallywe43acrossroadnearahighway.LadyLucksuggestedIshouldturnleft.Wedidand44reachedacottagebesideafield.Iknockedonthedoorandexplainedmysituationtoanoldman.Helaughedandthendroveushome. SinceouradventureI45thatBeansprobablyknewallalonghowtogethome. Hewasjusthavingtoomuchfanexploringnewtrails. 36

求不定方程2x+y=xy+7的整数解．

LyinginthesunonarockthecougarsawJebandhissonTombeforetheysawit.Jebputhisbagdownquicklyandpulledhisjacketopenwithbothhandsmakinghimselflookbigtothecougar.Itworked.ThecougarhesitatedreadytoattackJebbutreadytoforgetthewholethingtoo.JebtookoffhisjacketgraspedTomandheldhimacrosshisbodymakingacross.Nowthecougar’senemylookedevenbiggeranditroseupreadytomoveawaybutunfortunatelyTomgotscaredandstruggledfreeofJeb.TomNo!shoutedhisfather.ButTombrokeandranandthat’sthelastthingyoudowithacougar.ThesecondTombrokefreeJebthrewhimselfonthecougarjustasitjumpedfromtherock.Theyhiteachotherinmidairandbothfell.ThecougarwasonJebinaflashforgettingaboutTomwhichwaswhatJebwanted.Cougarsarenotasbigasmostpeoplethinkandadeterminedmanstandsachanceevenjustwithhisfists.Asthecougar’sclawsgotintohisleftshoulderJebswunghisfistatitseyesandhithard.Theanimalhowled吼叫andputitsheadback.Jebfollowedupwithhisotherfist.ThenoutofthecornerofhiseyeJebsawTom.Theboywasrunningbacktohelphisfather.KnifeTomshoutedJeb.Theboyrantohisfather’sbagwhileJebstartedshoutingaswellashittingtokeepthecougar’sattentionawayfromTom.TomgottheknifeandranovertoJeb.Thecougarwasmovingitsheadinandouttryingtofindawaythroughthewall.Jebwasmakingoutofhisarms.Tomswungwiththeknifeintothecougar’sback.Ithowledhorriblyandranoffintothemountains.WhydidJebpullhisjacketopenwhenhesawthecougar

如下图所示跷跷板AB的一端B碰到地面时AB与地面的夹角为18°且OA=OB=2m 1求此时另一端A离地面的距离精确到0.1m 2跷动AB使端点A碰到地面画出点A运动的路线写出作法保留作图痕迹并求出端点A运动路线的长结果含π． 参考数据sin18°≈0.31cos18°≈0.95

阅读下图的程序框图．若输入m=4n=6则输出ai分别等于．

．

已知双曲线直线ly=x+t交双曲线于AB两点△OAB的面积为SO为原点则函数S=ff的奇偶性为

______是每个学生必须遵守的最基本的日常课堂行为标准对学生有约束和指导作用．

若函数y=fx的导函数f'x=6x2+5则fx可以是

已知两个实数集合A=a1a2a100与B=b1b2b50若从A到B的映射f使得B中每个元素都有原象且fa1≤fa2≤≤fa100则这样的映射共有．

Lastyearthenumberofstudentswhograduatedwithadrivinglicencereached200000anof40000peryear.

制约着人才的规格和教育的结构的是______．

WhenIlivedinSpainsomeSpanishfriendsofminedecidedtovisitEnglandbycar.Beforetheylefttheyaskedmeforadviceabouthowtofindaccommodation.IsuggestedthattheyshouldstayatbedandbreakfasthousesbecausethiskindofaccommodationgivesaforeignvisitoragoodchancetospeakEnglishwiththefamily.Myfriendslistenedtomyadvicebuttheycamebackwithsomefunnystories.Wedidn’tstayatbedandbreakfasthousestheysaidbecausewefoundthatmostfamilieswereawayonholiday.Ithoughtthiswasstrange.FinallyIunderstoodwhathadhappened.MyfriendsspokelittleEnglishandtheythoughtVACANCIESmeantholidaysbecausetheSpanishwordforholidayisvacation.SotheydidnotgotohousewherethesignoutsidesaidVACANCIESwhichinEnglishmeanstherearefreerooms.ThenmyfriendswenttohousewherethesignsaidNOVACANCIESbecausetheythoughtthismeantthepeoplewhoownedthehousewerenotawayonholiday.Buttheyfoundthatthesehouseswereallfull.Asaresulttheystayedathotels!Welaughedaboutthisandaboutmistakesmyfriendsmadeinreadingothersigns.InSpanishthewordDIVERSIONmeansfun.InEnglishitmeansthatworkmenarerepairingtheroadandthatyoumusttakeadifferentroad.WhenmyfriendssawthewordDIVERSIONonaroadsigntheythoughttheyweregoingtohavefun.Insteadtheroadisblockedbyacrowd.Englishpeoplehaveproblemstoowhentheylearnforeignlanguages.OnceinPariswhensomeoneofferedmesomemorecoffeeIsaidThankyouinFrench.ImeantthatIwouldlikesomemore.Howevertomysurprisethecoffeepotwastakenaway!LaterIfoundoutthatThankyouinFrenchmeansNothankyou.IwassurprisedwhenthecoffeepotwastakenawaybecauseI______.

本电视机生产厂家去年销往农村的某品牌电视机每台的售价y元与月份x之间满足函数关系y=-50x+2600去年的月销售量p万台与月份x之间成一次函数关系其中每个月的销售情况如下表 月份 1月 5月 销售量 3.9万台 4.3万台 1求该品牌电视机在去年哪个月销往农村的销量金额最大最大是多少 2由于受国际金融危机的影响今年12月份该品牌电视机销往农村的售价都比去年12月份下降了m%且每月的销售量都比去年12月份下降了1.5m%．国家实施家电下乡政策即对农村家庭购买新的家电产品国家按该产品售价的13%给予了财政补贴．受此政策的影响今年3至5月份该厂家销售到农村的这种电视机在保持今年2月份的售价不变的情况下平均每月的销售量比今年2月份增加了1.5万台．若今年3至5月份国家对这种电视机的销售共给予了财政补贴936万元求m的值保留一位小数．

cos75°cos15°-sin255°sin165°的值是．

Behindourhouseisthestartofafascinatingtrail小径.Thistrailisoneoftheoldroadsthatwindthroughuntoldmilesofforest.My36BeansandIwalkthetrailfrequently.NormallyBeanssniffsalongsidethetrailtofollowthesmellofadeertrackorexploresomecauseknownonlytohim. Beansisawhitedogquitehandsomeandverysmart.Henotonlyunderstandswhatwetellhimbutalsooftenmakessoundsasifheweretryingto37back. Onemorningwetookadifferentroutewhichledustoanunfamiliartrail.Iwassurethistrailwouldeventuallyleadustoourfamiliar38.Butno.Weseemedtobefaroffcourse.AftertwohoursIsuddenlyrealizedthatBeansprobably39thewayhome.SoIurgedBeanstakemehome.Herandownanewtrail.Butitmerelyledtoanintersection岔道口oftrails. Soonitbecame40thatweweregettingnowhere.Ibegantopicturetherestofthedayinthe41withoutfoodordrink.Wehadwalkedabouttenmiles.ButBeansseemedtotally42Thesniffingandexploringwasgoingwellforhim. Finallywe43acrossroadnearahighway.LadyLucksuggestedIshouldturnleft.Wedidand44reachedacottagebesideafield.Iknockedonthedoorandexplainedmysituationtoanoldman.Helaughedandthendroveushome. SinceouradventureI45thatBeansprobablyknewallalonghowtogethome. Hewasjusthavingtoomuchfanexploringnewtrails. 38

MadameCurie's______encouragedmanywomentostudyscienceandmanyofthem______.

下列不等式在a＜b＜0的条件下不能成立的是．

Iwillalwaysremembermymother’slastfewdaysinthisworld.OnFebruary14th2000myclasswentonafieldtriptothebeach.Ihadsomuchfun.Whenwereturnedtoschoolmyteachertoldmetogototheheadmaster’soffice.WhenIgotintotheofficeIsawapoliceofficer.SuddenlyIrealizedsomethingwaswrong.Thepoliceofficertoldmewhathadhappenedandwewenttopickmysisterup.Afterthatwewenttothehospitalandwaited.Timewentslowly.Finallywegottoseeourmother.Itwasterrible.Onthenextdaytheheadmastercameandtoldmytwoteacherswhathadhappened.Iwastakingarestthatday.Iknewithadsomethingtodowithmymother.Ikeptthinkingthatsheeitherdiedorhadgottenbetter.HowIwishedthatshehadgottenbetter.Whenmyteachertookmeoutsidemysisterranuptome.ShestartedcryingShe’sgone.Teresamommy’sgone.She’sdead.Icouldn’tbelieveit.Wejumpedintothecaranddrovestraighttothehospital.Mostofmyfamilywerethere.Thesilencewasterrible.IknewIhadtosaygoodbye.TodaywhenIlookbackIstillmissmymotherverymuchbutIknowthatIwilllive.Mymotherwasastrongmotherwhohadthebiggestheart.Mymotherwasanangelwalkingontheearth.Iwillalwaysrememberherasliving.WhensomeoneisaskedwhotheirheroistheyusuallysaysomeonefamouslikeMichaelJordanorBritneySpears.WhensomeoneasksmewhomyheroisItellthemmymother.Mymotherliveseveryday.Thatiswhatmakesheratruehero.Whatdidtheheadmastertellthetwoteachersonthenextday______

AfewyearsagoIhadanaha!momentregardinghandwriting.Ihadinmyhandasheetofpaperwithhandwritteninstructionsonitforsomesortofeditorialtask.ItoccurredatfirstthatIdidnotrecognizethehandwritingandthenIrealizedwhoseitmustbe.IfinallybecameawareofthefactthatIhadbeenworkingwiththiscolleagueforatleastayearmaybetwoandyetIdidnotrecognizeherhandwritingatthatpoint.Itwasaveryimportanteventinthecomputerizationoflife—asignthattheinformal.Friendlycommunicationofpeopleworkingtogetherinanofficehadchangedfromnotesinpentoinstantmessagesandemails.Therewasatimewhenourworkdayswerefilledwithlittlelettersandwerecognizedoneanother’shandwritingthewayweknewvoicesorfaces.Asachildvisitingmyfather’sofficeIwaspleasedtorecognizeinlittlenotesonthedesksofhisstaffthesamehandwritingIwouldseeathomeinthenoteshewouldleaveonthefridge—exceptthatthosenotesweresigneddadinsteadofRFW.AllthishasbeenonmymindbecauseofthetalkaboutTheRiseandFallofHandwritingabookbyFlorey.Sireshowsinherbookadeepconcernaboutthefallofhandwritingandthefailureofschoolstoteachchildrentowritewellbutmanyothersarguethatpeopleinadigitalagecan’tbeexpectedtolearntoholdapen.Idon’tbuyit.Idon’twanttoseeanyonecutofffromtheexpressivepersonalassociationsthatapenstillpromotesbetterthanadigitalkeyboarddoes.Formanyabiographerpartofreallygettingtoknowtheirsubjectsislearningtoreadtheirhandwriting.Whatsomepeopleadvocateisteachingoneofthemanyattractivehandwritingsbasedonthehandwritingof16thcenturyItaly.Thatmaysoundimpossiblygrand—asiftheywantkidstolearntodrawbycopyingclassicalpaintings.Howevertheyhaveworkedinmanyschoolsystems.Whywastheauthorsurprisedatnotrecognizinghiscolleague’shandwriting

Wewereastonishedthetemplestillinitsoriginalcondition.

Iwillalwaysremembermymother’slastfewdaysinthisworld.OnFebruary14th2000myclasswentonafieldtriptothebeach.Ihadsomuchfun.Whenwereturnedtoschoolmyteachertoldmetogototheheadmaster’soffice.WhenIgotintotheofficeIsawapoliceofficer.SuddenlyIrealizedsomethingwaswrong.Thepoliceofficertoldmewhathadhappenedandwewenttopickmysisterup.Afterthatwewenttothehospitalandwaited.Timewentslowly.Finallywegottoseeourmother.Itwasterrible.Onthenextdaytheheadmastercameandtoldmytwoteacherswhathadhappened.Iwastakingarestthatday.Iknewithadsomethingtodowithmymother.Ikeptthinkingthatsheeitherdiedorhadgottenbetter.HowIwishedthatshehadgottenbetter.Whenmyteachertookmeoutsidemysisterranuptome.ShestartedcryingShe’sgone.Teresamommy’sgone.She’sdead.Icouldn’tbelieveit.Wejumpedintothecaranddrovestraighttothehospital.Mostofmyfamilywerethere.Thesilencewasterrible.IknewIhadtosaygoodbye.TodaywhenIlookbackIstillmissmymotherverymuchbutIknowthatIwilllive.Mymotherwasastrongmotherwhohadthebiggestheart.Mymotherwasanangelwalkingontheearth.Iwillalwaysrememberherasliving.WhensomeoneisaskedwhotheirheroistheyusuallysaysomeonefamouslikeMichaelJordanorBritneySpears.WhensomeoneasksmewhomyheroisItellthemmymother.Mymotherliveseveryday.Thatiswhatmakesheratruehero.Thewritermustthinkhermotherisa______woman.

Directions:TranslatethefollowingsentencesintoEnglish.我不需要买新车我的那辆旧车还很好

WhereisloveHowcanwefindloveThepastagesofmanhaveallbeencarefullylabeledbyanthropologists.DescriptionslikePaleolithicManNeolithicManetc.neatlysumupthewholeperiods.WhenthetimecomesforanthropologiststoturntheirattentiontothetwentiethcenturytheywillsurelychoosethelabelLeglessMan.Historiesofthetimewillgosomethinglikethis:inthetwentiethcenturypeopleforgothowtousetheirlegs.Menandwomenmovedaboutincarsbusesandtrainsfromaveryearlyage.Therewereliftsandescalatorsinalllargebuildingstopreventpeoplefromwalking.Thissituationwasforceduponearthdwellersofthattimebecauseofmileseachday.Butthesurprisingthingisthattheydidn’tusetheirlegsevenwhentheywentonholiday.Theybuiltcablerailwaysskiliftsandroadstothetopofeveryhugemountain.Allthebeautyspotsonearthweremarredbythepresenceoflargecarparks.Thefuturehistorybooksmightalsorecordthatweweredeprivedoftheuseofoureyes.Inourhurrytogetfromoneplacetoanotherwefailedtoseeanythingontheway.Airtravelgivesyouabird’seyeviewoftheworld—orevenlessifthewingoftheaircrafthappenstogetinyourway.Whenyoutravelbycarortrainablurredimageofthecountrysideconstantlysmearsthewindows.Cardriversinparticularareforeverobsessedwiththeurgetogoonandon:theyneverwanttostop.IsitthelureofthegreatmotorwaysorwhatAndasforseatravelithardlydeservesmention.Itisperfectlysummedupinthewordsoftheoldsong:IjoinedthenavytoseetheworldandwhatdidIseeIsawthesea.ThetypicaltwentiethcenturytraveleristhemanwhoalwayssaysI’vebeenthere.YoumentiontheremotestmostevocativeplacenamesintheworldlikeE1DoradoKabulIrkutskandsomeoneisboundtosayI’vebeenthere—meaningIdrovethroughitat100milesanhouronthewaytosomewhereelse.Whenyoutravelathighspeedthepresentmeansnothing:youlivemainlyinthefuturebecauseyouspendmostofyourtimelookingforwardtoarrivingatsomeotherplace.Butactualarrivalwhenitisachievedismeaningless.Youwanttomoveonagain.Bytravelinglikethisyoususpendallexperience;thepresentceasestobeareality:youmightjustaswellbedead.Thetraveleronfootontheotherhandlivesconstantlyinthepresent.Forhimtravelingandarrivingareoneandthesamething:hearrivessomewherewitheverystephemakes.Heexperiencesthepresentmomentwithhiseyeshisearsandthewholeofhisbody.Attheendofhisjourneyhefeelsadeliciousphysicalweariness.Heknowsthatsound.Satisfyingsleepwillbehis:thejustrewardofalltruetravelers.Whatdoesabird’seyeviewmean

某超级市场销售一种计算器每个售价48元后来计算器的进价降低了4%但售价未变从而使超市销售这种计算器的利润率提高了5%这种计算器原来每个进价是多少元利润=售价-进价

将二项式的展开式按x的降幂排列若前三项系数成等差数列则该展开式中x的幂指数是整数的项共有个

Itwasthedoctor'scarelessnessthat______theseriousaccident.

Ranch.ItwasnearLosAngelesinCaliforniA.AfewyearslaterHollywoodwasoneofthefamousplacesintheworld.Atthebeginningofthe20thcenturytherewasabigfarmcalledHollywood.Fromthe1910’stothe1950’sHollywoodwasthefilmcenteroftheworld.Everyfamilyknewthenamesofitsfilmstars—CharlieChaplinGretaGarboBergmanandhundredsmore.ThereasonwhypeoplewenttoHollywoodtomakefilmswasthesun.AtfirstpeoplemadefilmsinNewYorkontheeastcoastoftheUnitedStates.ButthentheyheardaboutLosAngeleswherethereare350daysofthesuneveryyear.Astheymadeallthefilmsbysunlightthewestcoastwasamuchbetterplacetowork.AlsonearHollywoodyoucanfindmountainsandseaanddesert.Theydidnothavetotravelfartomakeanykindoffilm.WhenTVbecamepopularHollywoodstartedmakingfilmsfortelevision.Theninthe1970’stheydiscoveredpeoplestillwenttothecinematoseebigexpensivefilms.NowadaystheyarestillmakingfilmsinHollywoodandpeopleseethemallovertheworld.Whichstatementistrue

已知点A02和抛物线y2=x+4上两点BC使得AB⊥BC求点C的纵坐标的取值范围．

Weobeyhim______weareafraidofhim______wehonorandlovehim.

如图在直角梯形ABCD中AB∥CDAD⊥DCAB=BC且AE⊥BC． 1求证AD=AE 2若AD=8DC=4求AB的长．

已知集合A=x|y=lg2x-x2B=y|y=2xx＞0R是实数集则∩A=．

如图已知直线L:y=kx-2与抛物线C:x2=-2pyp＞0交于AB两点O为坐标原点求 抛物线上一动点P从A到B运动时求△ABP面积的最大值

AfewyearsagoIhadanaha!momentregardinghandwriting.Ihadinmyhandasheetofpaperwithhandwritteninstructionsonitforsomesortofeditorialtask.ItoccurredatfirstthatIdidnotrecognizethehandwritingandthenIrealizedwhoseitmustbe.IfinallybecameawareofthefactthatIhadbeenworkingwiththiscolleagueforatleastayearmaybetwoandyetIdidnotrecognizeherhandwritingatthatpoint.Itwasaveryimportanteventinthecomputerizationoflife—asignthattheinformal.Friendlycommunicationofpeopleworkingtogetherinanofficehadchangedfromnotesinpentoinstantmessagesandemails.Therewasatimewhenourworkdayswerefilledwithlittlelettersandwerecognizedoneanother’shandwritingthewayweknewvoicesorfaces.Asachildvisitingmyfather’sofficeIwaspleasedtorecognizeinlittlenotesonthedesksofhisstaffthesamehandwritingIwouldseeathomeinthenoteshewouldleaveonthefridge—exceptthatthosenotesweresigneddadinsteadofRFW.AllthishasbeenonmymindbecauseofthetalkaboutTheRiseandFallofHandwritingabookbyFlorey.Sireshowsinherbookadeepconcernaboutthefallofhandwritingandthefailureofschoolstoteachchildrentowritewellbutmanyothersarguethatpeopleinadigitalagecan’tbeexpectedtolearntoholdapen.Idon’tbuyit.Idon’twanttoseeanyonecutofffromtheexpressivepersonalassociationsthatapenstillpromotesbetterthanadigitalkeyboarddoes.Formanyabiographerpartofreallygettingtoknowtheirsubjectsislearningtoreadtheirhandwriting.Whatsomepeopleadvocateisteachingoneofthemanyattractivehandwritingsbasedonthehandwritingof16thcenturyItaly.Thatmaysoundimpossiblygrand—asiftheywantkidstolearntodrawbycopyingclassicalpaintings.Howevertheyhaveworkedinmanyschoolsystems.Wecanlearnfromthepassagethattheauthor______.

EddieMcKayaonceforgottenpilotisasubjectofgreatinteresttoagroupofhistorystudentsinCanada.ItallstartedwhenGrahamBroadaprofessorattheUniversityofWesternOntariofoundMcKay’snameinafootnoteinabookaboutuniversityhistory.MckaywasincludedinalistofuniversityalumniwhohadservedduringtheFirstWorldWarbuthisnamewasunfamiliartoBroadaspecialistinmilitaryhistory.OutofcuriosityBroadspenthoursatthelocalarchivesinafruitlesssearchforinformationonMcKay.Tiredanddiscouragedhefinallygaveup.OnhiswayoutBroad’sglancehappenedtofallonanexhibitingcaseshowingsomeoldnewspapers.Hiseyewasdrawntoanoldpictureofayoungmaninarugbyuniform.Ashereadthewordsbesidethepictureheexperiencedathrillingrealization.AfterlookingforhimalldaytherehewasstaringupatmeoutoftheexhibitingcasesaidBroad.ExcitedbythefindBroadaskedhisstudentstocontinuehissearch.Theycombedoldnewspapersandothermaterialsforclues.Graduallyapicturecameintoview.CaptainAlfredEdwinMcKayjoinedtheBritishRoyalFlyingCorpsin1916.HedownedtenenemyplanesoutlivedhisentiresquadronasaWW1flyerspentsometimeasaflyinginstructorinEnglandthenreturnedtothefrontwherehewaseventuallyshotdownoverBelgiumandkilledinDecember1917.Butthere’smoretohisstory.Forabrieftimein1916hewasprobablythemostfamouspilotintheworldsaysBroad.HewascreditedwithdowningOswaldBoelckethemostfamousGermanpilotatthetime.YetinaletterhomeMcKayrefusedtotakecreditsayingthatBoelckehadactuallycrashedintoanotherGermanplane.McKay’swarrecordsweredestroyedduringWorldWarTwoairbombingonLondon-anexplanationforwhyhewasallbutforgotten.ButnowthankstotheeffortsofBroadandhisstudentsamarkerinMcKay’smemorywasplacedontheuniversitygroundsinNovember2007.IfoundmyeyesfillingwithtearsasIreadtheword’deceased’nexttohisnamesaidCoreyEverrettastudentwhofoundapictureofMckayinhisuniform.ThiswassuchasimpleexampleofthefactthathehadbeenastudentjustlikeusbutinsteadoffinishinghistimeatWesternhechosetofightanddieforhiscountry./WhatdidthestudentsfindoutaboutMcKay

1632年捷克教育家夸美纽斯的的发表标志着教育学开始成为一门学科．

若则m+n的值为．

衡量各科教学质量的重要标准是______．

学习权

不等式的解集是．

Formanypeopletodayreadingisnolongerrelaxation.Tokeepuptheirworktheymustreadlettersreportstradepublicationsinterofficecommunicationsnottomentionnewspapersandmagazines:aneverendingfloodofwords.In1ajoboradvancinginonetheabilitytoreadandcomprehend2canmeanthedifferencebetweensuccessandfailure.Yettheunfortunatefactisthatmostofusare3readers.Mostofusdeveloppoorreading4atanearlyageandnevergetoverthem.Themaindeficiency5intheactualstuffoflanguageitself—words.Takenindividuallywordshave6meaninguntiltheyarestrungtogetherintophrasessentencesandparagraphs.7howevertheuntrainedreaderdoesnotreadgroupsofwords.Helaboriouslyreadsonewordatatimeoftenregressingto8wordsorpassages.Regressionthetendencytolookbackover9youhavejustreadisacommonbadhabitinreading.Anotherhabitwhich10downthespeedofreadingisvocalization—soundingeachwordeitherorallyormentallyas11reads.Toovercomethesebadhabitssomereadingclinicsuseadevicecalledan12whichmovesabarorcurtaindownthepageatapredeterminedspeed.Thebarissetataslightlyfasterrate13thereaderfindscomfortableinordertostretchhim.Theacceleratorforcesthereadertoreadfast14wordbywordreadingregressionandsubvocalizationpracticallyimpossible.Atfirst15issacrificedforspeed.Butwhenyoulearntoreadideasandconceptsyouwillnotonlyreadfaster16yourcomprehensionwillimprove.Manypeoplehavefound17readingskilldrasticallyimprovedaftersometraining.18CharlieAuabusinessmanagerforinstance.Hisreadingratewasareasonablygood172wordsaminute19thetraining;nowitisanexcellent1378wordsaminute.Heisdelightedthathowhecan20alotmorereadingmaterialinashortperiodoftime.

若某几何体的三视图如图所示则这个几何体的直观图可以是

根据学校情境中的学业成就动机奥苏贝尔将动机分为____________和______．

新课程改革中提出的课程三维目标是

设abc是空间三条直线αβ是空间两个平面则下列命题中逆命题不成立的是

已知集合M=x|x2＜4N=x|x2-2x-3＜0则集合M∪N______．

使不等式sin2x+acosx+a2≥1+cosx对一切x∈R恒成立的负数a的取值范围是______

已知fx=2x3+ax2+b-1是奇函数则ab=______

已知fx=2x3+ax2+b-1是奇函数则ab=______

从下面的四张印有汽车品牌标志图案的卡片中任取一张取出的图案是中心对称图形的卡片的概率是．

环境

Noteveryoneintheworldrequiresthesameamountoflivingspace.Theamountofspaceapersonneedsaroundhimisaculturaldifferencenotaneconomicone.Knowingyourownpsychologicalspaceneedsisimportantbecausetheystronglyaffectyourchoicesincludingforexamplethenumberofbedroomsinthehome.Ifyouwerebroughtupinatwochildfamilyandbothyouandyoursisterorbrotherhadyourownbedroomsthechancesareifyouhavetwochildrenormorethatyoualsowillofferseparatebedroomsforthem.InAmericaforexampletheytrainpeopletowanttohavetheirownroomsbygivingthemtheirownroomswhentheyarebabies.Thisisveryunusualintheworld.Inmanyothercountriesthebabysleepsinthesamebedwithhisparentsorinbednearthem.Thespaceinthehomealsoshowsalotaboutpsychologicalspaceneeds.Somefamiliesgatherclosertoeachotherandthesizeoftheirhousehasnothingtodowithit.Othershaveseparatelittlecornerswherefamilymembersgotobealone.Althoughitistruethatpsychologicalspaceneedsarenotdecidedbyeconomicreasonstheysometimeshavetobechangedalittlebecauseofeconomicpressure.Itisalmostimpossiblehowevertocompletelychangeyourpsychologicalspaceneeds.Whichofthefollowingistrueaccordingtothepassage

WhenIlivedinSpainsomeSpanishfriendsofminedecidedtovisitEnglandbycar.Beforetheylefttheyaskedmeforadviceabouthowtofindaccommodation.IsuggestedthattheyshouldstayatbedandbreakfasthousesbecausethiskindofaccommodationgivesaforeignvisitoragoodchancetospeakEnglishwiththefamily.Myfriendslistenedtomyadvicebuttheycamebackwithsomefunnystories.Wedidn’tstayatbedandbreakfasthousestheysaidbecausewefoundthatmostfamilieswereawayonholiday.Ithoughtthiswasstrange.FinallyIunderstoodwhathadhappened.MyfriendsspokelittleEnglishandtheythoughtVACANCIESmeantholidaysbecausetheSpanishwordforholidayisvacation.SotheydidnotgotohousewherethesignoutsidesaidVACANCIESwhichinEnglishmeanstherearefreerooms.ThenmyfriendswenttohousewherethesignsaidNOVACANCIESbecausetheythoughtthismeantthepeoplewhoownedthehousewerenotawayonholiday.Buttheyfoundthatthesehouseswereallfull.Asaresulttheystayedathotels!Welaughedaboutthisandaboutmistakesmyfriendsmadeinreadingothersigns.InSpanishthewordDIVERSIONmeansfun.InEnglishitmeansthatworkmenarerepairingtheroadandthatyoumusttakeadifferentroad.WhenmyfriendssawthewordDIVERSIONonaroadsigntheythoughttheyweregoingtohavefun.Insteadtheroadisblockedbyacrowd.Englishpeoplehaveproblemstoowhentheylearnforeignlanguages.OnceinPariswhensomeoneofferedmesomemorecoffeeIsaidThankyouinFrench.ImeantthatIwouldlikesomemore.Howevertomysurprisethecoffeepotwastakenaway!LaterIfoundoutthatThankyouinFrenchmeansNothankyou.MySpanishfriendswantedadviceabout______.

从装有3个红球2个白球的袋中任取3个球则所取的3个球中至少有1个白球的概率是

将参加数学竞赛的1000名学生编号如下0001000200031000打算从中抽取一个容量为50的样本按系统抽样的办法分成50个部分．如果第一部分编号为000100020020从中随机抽取一个号码为0015则第40个号码为______．

直线与椭圆相交于AB两点该椭圆上点P使得△PAB面积等于12这样的点P共有

直线与椭圆相交于AB两点该椭圆上点P使得△PAB面积等于12这样的点P共有

不等式组的整数解的个数为

—IsBlakestillabsentfromclass—Ithinkhe______bepunishedifhegoesonwithit.

若ab为实数则0＜ab＜1是的

函数的图象与x轴所围成的封闭图形的面积为

Aworldheavyweightchampionshipmatchisfrontpagenews.

WhensomethinggoeswrongitcanbeverysatisfyingtosayWellit’sso-and-so’sfault.orIknowI’mlatebutit’snotmyfault;thecarbrokedown.Itisprobablynotyourfaultbutonceyouformthehabitofblamingsomebodyorsomethingelseforabadsituationyouarealoser.Youhavenopowerandcoulddonothingthathelpschangethesituation.Howeveryoucanhavegreatpoweroverwhathappenstoyouifyoustopfocusingonwhomtoblameandstartfocusingonhowtoremedythesituation.Thisisthewinner’skeytosuccess. Winnersaregreatatovercomingproblems.Forexampleifyouwerelatebecauseyourcarbrokedownmaybeyouneedtohaveyourcarexaminedmoreregularly.Oryoumightstarttocarryalongwithyoutheusefulphonenumberssoyoucouldcallforhelpwheninneed.Foranotherex-ampleifyourcolleaguecausesyouproblemsonthejobforlackofresponsibilityorabilityfindwaysofdealingwithhisirresponsibilityorinabilityratherthansimplyblametheperson.Asktoworkwithadifferentpersonordon’trelyontheperson.Youshouldacceptthattheperson.Asktoworkwithadifferentpersonordon’trelyonthisperson.Youshouldacceptthatthepersonisnotreliableandfindcreativewaystoworksuccessfullyregardlessofhowyourcolleaguefailstodohisjobwell. Thisiswhatbeingawinnerisallabout—creativelyusingyourskillsandtalentssothatyouaresuccessfulnomatterwhathappens.Winnersdon’thavefewerproblemsintheirlives;theyhavejustasmanydifficultsituationstofaceasanybodyelse.Theyarejustbetteratseeingthoseproblemsaschallengesandopportunitiestodeveloptheirowntalents.Sostopfocusingonwhosefaultitis.Onceyouareconfidentaboutyourpoweroverbadsituationsproblemsarejuststeppingstonesforsuccess. Whenproblemsoccurwinnerstakethemas

已知fx=2x3+ax2+b-1是奇函数则ab=______．

点C是线段AB上的一个动点AB=1分别以AC和CB为一边作正方形用S表示这两个正方形的面积之和下列判断正确的是

以直角三角形ABC的两直角边ACBC为一边各向外侧作正方形ACDEBCGH连结BEAH分别交ACBC于PQ．求证CP=CQ．

提出教学的教育性观点认为世界上不存在无教学的教育也不存在无教育的教学的是

Behindourhouseisthestartofafascinatingtrail小径.Thistrailisoneoftheoldroadsthatwindthroughuntoldmilesofforest.My36BeansandIwalkthetrailfrequently.NormallyBeanssniffsalongsidethetrailtofollowthesmellofadeertrackorexploresomecauseknownonlytohim. Beansisawhitedogquitehandsomeandverysmart.Henotonlyunderstandswhatwetellhimbutalsooftenmakessoundsasifheweretryingto37back. Onemorningwetookadifferentroutewhichledustoanunfamiliartrail.Iwassurethistrailwouldeventuallyleadustoourfamiliar38.Butno.Weseemedtobefaroffcourse.AftertwohoursIsuddenlyrealizedthatBeansprobably39thewayhome.SoIurgedBeanstakemehome.Herandownanewtrail.Butitmerelyledtoanintersection岔道口oftrails. Soonitbecame40thatweweregettingnowhere.Ibegantopicturetherestofthedayinthe41withoutfoodordrink.Wehadwalkedabouttenmiles.ButBeansseemedtotally42Thesniffingandexploringwasgoingwellforhim. Finallywe43acrossroadnearahighway.LadyLucksuggestedIshouldturnleft.Wedidand44reachedacottagebesideafield.Iknockedonthedoorandexplainedmysituationtoanoldman.Helaughedandthendroveushome. SinceouradventureI45thatBeansprobablyknewallalonghowtogethome. Hewasjusthavingtoomuchfanexploringnewtrails. 40