首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
如图光滑水平桌面上两平行虚线之间有竖直向下的匀强磁场，桌面上一闭合金属线框获得水平初速度后进入磁场，通过磁场区域后穿出磁场．线框开始进入到刚好完全进入磁场和开始离开到刚好完全离开磁场的这两个过程相比...
查看本题答案
包含此试题的试卷
高三下学期物理《》真题及答案
点击查看
你可能感兴趣的试题
如图所示匀强磁场的方向竖直向下磁场中有光滑的水平桌面在桌面上平放着内壁光滑底部有带电小球的试管在水平
小球带负电
小球运动的轨迹是一条抛物线
洛伦兹力对小球做正功
维持试管匀速运动的拉力F.应逐渐增大
如图所示光滑绝缘的水平桌面上有一有界匀强磁场磁感应强度的大小为B.方向竖直向下虚线MN为磁场的边界.
如图所示空间存在竖直向下的有界匀强磁场B.一单匝边长为L.质量为m的正方形线框abcd放在水平桌面上
如图所示匀强磁场的方向竖直向下.磁场中有光滑的水平桌面在桌面上平放着内壁光滑底部有带电小球的试管.试
小球带负电
洛伦兹力对小球做正功
小球运动的轨迹是一条抛物线
维持试管匀速运动的拉力F.应增大
如图所示匀强磁场的方向竖直向下磁场中有光滑的水平桌面在桌面上平放着内壁光滑底部有带电小球的试管.试管
小球带正电
洛伦兹力对小球做正功
小球运动的轨迹是一条抛物线
维持试管匀速运动的拉力F.应保持恒定
如图所示金属线框abcd置于光滑水平桌面上其右方存在一个有理想边界的方向竖直向下的矩形匀强磁场区磁场
线框穿出磁场过程中，一定先做减速运动
线框完全处于磁场中的运动阶段，F.做的功大于线框动能的增加量
线框进入磁场过程，F.做的功大于线框内增加的内能
线框穿出磁场过程中，F.做的功等于线框中产生的焦耳热
用磁铁吸引光滑水平桌面上的铁钉铁钉受到吸引而没有与磁铁接触处于静止状态如图所示磁铁对铁钉作用力的方向
竖直向上
向右上方
竖直向下
向左上方
如图10所示由粗细均匀同种金属导线构成的长方形线框abcd放在光滑的水平桌面上线框边长分别为L.和2
如右图所示在光滑水平桌面上有两根弯成直角的相同金属棒它们的一端均可绕固定转动轴O.自由转动另一端a相
10·淮安用磁铁吸引光滑水平桌面上的铁钉铁钉受到吸引而没有与磁铁接触处于静止状态如图所示.磁铁对铁钉
竖直向上
向右上方
竖直向下
向左上方
2013全国初中应用物理知识竞赛预赛题用磁铁吸引光滑水平桌面上的铁钉铁钉受到吸引而没有与磁铁接触处于
向左上方
向右上方
竖直向上
竖直向下
用磁铁吸引光滑水平桌面上的铁钉铁钉受到吸引而没有与磁铁接触处于静止状态如图6所示磁铁对铁钉作用力的方
向左上方
向右上方
竖直向上
竖直向下
如图所示匀强磁场的方向竖直向下磁场中有光滑的水平桌面在桌面上平放着内壁光滑底部有带电小球的试管在水平
小球带负电
小球运动的轨迹是一条抛物线
洛伦兹力对小球做正功
维持试管匀速运动的拉力F.应逐渐增大
如图所示光滑的水平桌面放在方向竖直向下的匀强磁场中桌面上平放着一根一端开口内壁光滑的玻璃试管试管底部
小球带正电
小球运动的轨迹是抛物线
洛伦兹力对小球做正功
维持试管匀速运动的拉力F.应逐渐增大
如图所示匀强磁场的方向竖直向下磁场中有光滑的水平桌面在桌面上平放着内壁光滑底部有带电小球的试管在水平
小球带负电
小球运动的轨迹是一条抛物线
洛伦兹力对小球做正功
维持试管匀速运动的拉力F.应逐渐增大
如图10所示由粗细均匀同种金属导线构成的长方形线框abcd放在光滑的水平桌面上线框边长分别为L.和2
如图所示光滑的水平桌面放在方向竖直向下的匀强磁场中桌面上平放着一根一端开口内壁光滑的试管试管底部有一
小球带正电
小球运动的轨迹是抛物线
洛伦兹力对小球做正功
维持试管匀速运动的拉力F.应逐渐增大
如图所示匀强磁场的方向竖直向下.磁场中有光滑的水平桌面在桌面上平放着内壁光滑底部有带电小球的试管.试
小球带负电
洛伦兹力对小球做正功
小球运动的轨迹是一条抛物线
维持试管匀速运动的拉力F.应保持恒定
如图B-6所示放在桌面上的闭合铁芯左右两边都绕上线圈每个线圈两端均与水平导轨相连导轨电阻不计.导轨上
如图所示空间存在竖直向下的有界匀强磁场B.一单匝边长为L.质量为m的正方形线框abcd放在水平桌面上
热门试题
更多
manyyoungpeoplelikeChenWeitingandhissongs.
TheBrownshavebetoShanghaithreetimes.
下面是某校关于中学生双休日活动现状的一份调查结果.请在借助资料以HaveFunonWeekends!为题给EnglishonCampus写一篇稿件.就中学生应如何过双休日发表你的看法. 注意:1.词数100左右2.无需使用全部资料3.适当拓展以使内容连贯.
Itwasverydifficultforhimtotakeastandthemajority. A.for B.in C.against D.to
HigherEducationINTHEUnitedStates HighereducationintheUnitedStatesincludesanyprogramofstudyattwo﹣year﹣collegesfour﹣yearcollegesandgraduateschools.Therearemorethan4100communitycommunitycollegescollegesanduniversitiesintheUnitedStates.Four﹣yearcollegesgrantundergraduatebachelor'sdegreesB.A.orB.S..Two﹣yearcollegesoftencalledcommunitycollegesoffertheAssociateofArtsortheAssociateofSciencedegreesA.A.orA.S.Thewordscollegeanduniversityareoftenthesamebutitisgenerallyunderstoodthatauniversitycanoffergraduatedegreesaswell.ThesedegreescanbequitespecializedsuchasaMasterofArtsinaparticularsubjectorevendoctoratedegrees. Americancollegesanduniversitiesmaybepublicprivateorreligiouszōng jiāo 的.Publicuniversitiesareownedbythestates.Studentspaytuition学费atpublicuniversitiesbutthosewhohavelivedinthestateforacertainperiodoftimedonotpayasmuchasstudentsfromoutsidethestate.Theannualaveragecostoftuitionfeesandroomandboardatuniversitieswas$36564in2014.Thesecostshoweverdependonthesizelocationreputation声誉etc.oftheuniversity. Privateandreligiousinstitutionscanbeveryexpensivebecausetheydonotreceivethesametypeoffundingthatpublicschoolsdoalthoughtheymaygetsomemoneyfromthestateforcertainprograms.SomeAmericanprivateuniversitiesareconsideredthebestinthenationifnotintheworldbutthecostsoftheseschoolsareveryhigh.Itisusuallynotnecessarytobeamemberofaparticularregiontoattendthereligiousschool. Lasttherearealsosometechnicalinstitutionsthatareprivatelyownedlikebusiness.Thesetechnicalinstitutesoffertwo﹣yearprogramsinsuchfieldsasautomotiveengineeringbusinessandelectronics.Thetrainingisveryspecializedandthegoalsofthestudentsarespecificallyrelatedtoaparticularoccupation. 1.Whatdegreesdothecommunitycollegesoffer? A.Bachelor'sdegrees B.Master'sdegrees. C.A.A.orA.S. D.Doctoratedegrees. 2.What'sthedistinctivefeatureofpublicuniversities? A.Roomandboardarefree. B.Theyaresupportedbythestates. C.Theaveragecostisover﹩36564peryear. D.Studentsfromdifferentstatespaythesametuition. 3.Whydosomepeoplechoosetoattendprivateuniversities? A.Theyreceivefundingfromthegovernment. B.Theyarelocatednearwherestudentslive. C.Theyareexcellentineducation. D.Theyprovidesomefinancialhelp. 4.Wherecanwepossiblyfindthetext? A.Afashionmagazine B.Astorybook C.Atravelguide D.Agovernmentwebsite
Mostdogownersareconvincedthattheirfour﹣leggedfriendsknowexactlywhattheymeanwhentheyusecertainwordslikesitstayortreat.Howeverresearchershavealwayswonderedwhetherdogsreallyunderstandhumanspeechoriftheyrelyonotherinformationtogetthemeaning.Forexampledoesthewordfetchformapictureofastickorballinthedog'smindordoesthedogbringbacktheobjectbasedontheowner'svoiceorgesture?AnewstudybyscientistsatAtlanta'sEmoryUniversityseemstoindicatethatman'sbestfrienddoesindeedknowwhattheownerissaying. Theresearchersbeganbyaskingtheownersoftwelvedogsofvariouskindstotraintheirpetstoidentifytwotoysofdifferentmaterialssuchasatoyanimalandaball.Oncethedogshadmasteredthetasktheytookturnsinsideaspecialscanner.Theownersthentestedtheirdog'slanguageskillbyfirstcallingoutthenamesofthetoystheyhadbeentrainedtorecognizeandthensayingmeaninglesswordssuchasbobbuandbodmickwhileholdinguprandomobjectsthedogshadn'tseenbefore. Thescanssuggestedthatthepartsofthedogs'brainsresponsibleforprocessingofsoundsshoweddifferentbrainpatternswhentheyheardwordstheywerefamiliarwithcomparedwiththeonestheyhadneverheardbefore.Whilethatwasnotenoughtoprovethatthedogswerepicturingtheirtoyswhentheyheardtheworditdidindicatesomesortofrecognition.Theresearchersbelievethisisanimportantstepforwardinunderstandinghowdogsprocesslanguage. Evenmoreinterestingwasthatthedog'sbrainsshowedahigherlevelofneural神经activityatthesoundofunknownwords.Thisistheexactoppositeofwhathappensinhumanbrainswhichgetmoreactiveatthesoundoffamiliarwords.Theresearcherssaythedogsmaybecomecheerfulatthesoundofnewwordstotrytounderstandtheminthehopeofdelightingtheirmasters.DogswanttopleasetheirownersandperhapsalsoreceivepraiseorfoodsaysEmptyneuroscientistGregoryBurnsseniorauthorofthestudy. Howeverthoughyourpetmayunderstandhumanspeechthescientistsrecommendusingvisualsignalsandsmellfortraining.Whenpeoplewanttoteachtheirdogatricktheyoftenusespokencommandbecausethat'swhathumanspreferPrichardsays.Fromthedog'sviewhoweveravisualcommandmightbemoreeffectivehelpingthedoglearnthetrickfaster. 1.What'sthepurposeofthenewstudy? A.Toconvincedogownerstounderstandtheirdogs. B.Toadvisedogownerstotreattheirdogskindly. C.Toprovedogsfollowowners'orderbylistening. D.Totestouthowdogsgetinformationfromowners. 2.Whatdoestheauthorintendtodoinparagraph2? A.Informtheresultoftheresearch. B.Statetheprocessoftheresearch. C.Stresstheimportanceoftheresearch. D.Introducethesubjectsoftheresearch. 3.Howdohumanbrainsanddogbrainsreacttowords? A.Humanbrainsbecomeactiveatunfamiliarwords. B.Dogbrainsbecomedelightedatunfamiliarwords. C.Humanbrainsarenotsensitivetofamiliarwords. D.Dogbrainsshownoresponsetofamiliarwords. 4.Whatdoscientistsadvisetheownerstodoindogtraining? A.Givedogsoralcommand. B.Teachdognewtricks. C.Involvesightandsmell. D.Encouragefasterlearning.
Thisisaveryhelpfulinvent.
TherearemanycollectionsintheInternationalMuseumofToilets.
假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.错误仅涉及一个单词的增加删除或修改. 增加:在缺词处加一个漏字符号∧并在其下面写出该加的词.删除:把多余的词用\划掉.修改:在错的词下画一横线并在该词下面写出修改后的词. 注意:1.每处错误及其修改均仅限一词; 2.只允许修改10处多者从第11处起不计分. Ioftengotoaweekendschool.Sodidmanyofmyclassmates.Thisseemspopularamongstudents.Goodweekendschoolshaveexcellentteacherswhichhelpusimproveourstudies. Besidesthiswegettoknowstudentsfromanotherschoolsandlearnabouttheircampusoflife. Soeverycoinhastwosides.Ourschoolworkisalreadyaheavyburden.Extralessonoftentakeuptoomuchofourtime.Inadditionpaylotsofattentiontotheextralessonswillaffecttheirschoolsubjects.WemayalsofindourselvesverytiredonMondaystoconcentrateonthelessonsinourschool.Weshouldthinkseriouslyaboutthisissueandmakebestuseofourtime.
OurEnglishteacheroftenencouragesusquestionsinEnglish.A.answer B.toanswerC.answering D.toanswering
ThesearefromBerlin.A.German B.Germen C.Germans D.Germens
IwillmeetJaneatthestation.Pleasewhattimeshewillarrive.A. count B. choose C. catch D. check
WelcometoAffairedeCoeur Youronlineconnectionformeetinggreetingandreadingaboutyourfavoriteauthorsandtheirlatestbooks.AffairedeCoeurabookreviewmagazinebringsyouthemostrecentarticlesandreviewsavailableontheweb.Onourpagesyouwillfindhonestbookreviewsfromallgenres类型fictionandnon﹣fiction. AdC'Sblogsandarticles: LifeisaRollerCoasterRidebyNatashaMoore ThesongmaysayLifeisaHighwaybutI'vefoundmylifehashadsomanyupsanddownsthatitoftenfeelsmorelikearollercoaster.AsIwritethisIjustworkedmylastdayatthedayjobIheldforthirty﹣sevenyears. DesertSurvivalbyKatMartin AsawriterIamalwayslookingfornewideas.ButIoftenfindthatmypastexperiencescanbeanimportantpartofthestory.Haveyoueverspenttimeinthedesert?CommentandyoucouldwinasignedcopyofKat'slatestreleaseAgainsttheOdds. TheInspirationsofOldHomesbyBethTrissel Passionforthepastandresearchintothosewho'vegonebeforemeistheunderlyinginspirationforallmyworkasisthebeautifulShenandoahValleywhereIlive.MyScots﹣Irishancestors祖先wereamongtheearliestsettlershere.DidyouknowVirginiahasmoreghoststoriesthananyotherstate? EmbracingHappilyEverAfterFairytaleStyleByHopeTarr IthinkIwasprobablyborntobearomancewriter.AsfarbackasIcanrememberI'vebeeninlovewithloveandthenotionofsoulmates﹣﹣﹣thatthere'saperfectpartneraOneTrueLoveforeachofussomeonewhowillviewusthroughlove'srose﹣coloredlenses镜片. 1.WhatcanyounormallyfindfromAffairedeCoeurmagazine? A.Bookreviews B.Placestotravel C.Ancientarticles D.Ticketinformation 2.Whichbookshouldyoucommentonifyouwanttheauthor'ssignature? A.DesertSurvival B.LifeisaRollerCoasterRI C.TheInspirationsofOldHomes D.AgainsttheOdds 3.WhichbookmentionsthatVirginiahasgotthemostghoststories? A.DesertSurvival B.LifeisaRollerCoasterRide C.TheInspirationsofOldHomes D.EmbracingHappilyEverAfterFairytaleStyle 4.Whichauthorregardshimself/herselfaromancewriter? A.KatMartin B.NatashaMoore C.BethTrissel D.HopeTarr
Johnhadn'texpectedherandpraisehimbuthehadhopedaheartythank﹣youfortryingtosaveher. A.fellover B.tofallover C.fallover D.fallingover
yougoyoushouldalwaysrememberweareChinese.A.Whenever B.Wherever C.However D.Whatever
There'sbeenanaccident!thedoctorimmediately! A.Tocontact B.Contacting C.Contact D.Tobecontacted
theysayitaloudornotmostmenexpectedtheirwivestobefaithful. A.If B.What C.Whether D.Even
IwillmeetyououtsidemainentranceofScienceMuseum. A.the;the B.the;/ C.a;the D./;/
AttheageofsevenwhilehisfriendswerespendingtheirallowancesonthingslikecandyandtoysJoseAdolfoQuisocolawasbusysavingmoneyforbasicpurchases.Totrytogethispeers同龄人todothesametheboyfromPerucameupwiththeideaofaneco﹣banktheBartselanaStudentBankwhichallowskidsofallagestobecomefinanciallyindependentwhilealsohelpingtheenvironment. Setupin2012thebankistheworld'sfirstbankforkids.Tobecomeamemberakidhastobringinatleast5kilogramsofsolidwasteandsetasavingsgoal.Onceacceptedallbankpartnersarerequiredtodepositatleastoneadditionalkilogramofrecyclablesonamonthlybasisandobserveotherrequirementssuchasattendingfinancialeducationandenvironmentalmanagementworkshops. ThewasteaccumulatedissoldtolocalrecyclingcompanieswhothankstoJose'seffortspayahigher﹣than﹣marketrateforeverythingbroughtinbythebankmembers.Themoneyreceivedisplacedinthepersonalaccountwheretheycollectuntilthesavingsgoalisreached.Theaccountholdercanthenwithdrawthemoneyorchoosetoleaveitandcontinuetogrowforabiggertarget.AtthebeginningmyteachersthoughtIwascrazyorthatachildcouldnotundertakethistypeofprojectJoserecalls.Theydidnotunderstandthatwearenotthefutureofthecountrybutitspresent.LuckilyIhadthesupportoftheschoolheadmasterandanassistantinmyclass. Theboy'seffortspaidoffandby2013thebankhadover200memberswhobroughtinonetonofrecyclablewaste.Todaytheeco﹣bankwhichnowhasthesupportofseverallocalinstitutionsboaststeneducationalcenters.Theyaredesignedtoteachtheover3000studentsaged10to18tobecomefinanciallyindependentusetheirmoneywiselyandhelptheenvironment. NotsurprisinglyJose'seffortshaveearnedhimseveralnationalandinternationalawards.OnNovember202018JosewonChildren'sClimatePrizewhichcomeswithamedaland＄5500inprizemoneyandisgiventoachildoryouthwhohasaccomplishedanextraordinaryachievementfortheclimateorenvironment. 1.WhydidJosesetupthebank? A.Toraisemoneyandsetuparecyclingcompany. B.Tobuynecessitiesanddonatethemtoneedykids. C.Tosavemuchmoneyandprotecttheenvironment. D.Toeducatethestudentsandhelpthemwinprizes. 2.Howcanakidbeadmittedtotheeco﹣bank? A.Bydonatingtotheeco﹣bank. B.Byturninginonekilogramofwasteinamonth. C.Bysendinginanapplication. D.Bypresentingagoalandacertainamountofwaste. 3.HowdidtheteachersfeelaboutJose'sprogram? A.Doubtful. B.Excited. C.Moved. D.Worried. 4.Whatisparagraph4mainlyabout? A.Howtheenvironmentisimproved. B.Whattheprojecthasachieved. C.Howtonsofwastehasbeenrecycled. D.Whatsupportthelocalinstitutionsget.
假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加:在缺词处加一个漏字符号∧并在其下面写出该加的词. 删除:把多余的词用斜线\划掉. 修改:在错的词下画一横线并在该词下面写出修改后的词. 注意:1.每处错误及其修改均仅限一词. 2.只允许修改10处多者从第11处起不计分. LasttermIhostedanexchangestudentcallingJacobfromtheGreatBritaintoourschoo1.HereallycaresforChineseculture.Jacobaskedmetoshowhimselfaroundthecityonweekends.ItookhimtomanylocalplaceofinterestandwealsogotothetheatertowatchashowofPekingOpera.Hewassoattractedbytheperformanceashedecidedtolearnit.MyfatherhappenedtoknowamasterofPekingOperaandintroducedJacobtohim.Jacobwasgreathonoredtobeoneofhisstudents.PuthisheartintoitJacobmadearapidprogress.WhenhereturnedEnglandhegaveaperformanceforwhathewonmuchadmirationfromhisclassmates.
Hereareaboutofourclassmateswearglasses.A.threefourths B.thirdfourth C.thirdfourths D.threequarter
Itismydesirethatallmembersofthefamilyonceayear. A.willgather B.gathered C.togather D.gather
Thecostofthewholetripshouldbe500dollarsinfigures. A.close B.round C.even D.natural
Rememberbacktowhenyouwereayoungchild.Canyourecallwhoyourheroeswere?Weretheypeopleinyourfamily?WeretheyfrombooksorTVormovies? Duringtheirteenyearsyoungpeoplesearchfortwotypesofheroes.Thefirsttypeofherotheylookforissomeonetheycanadmire.Toooftenhowevertheyconfusesuperstarswithheroes.MostTVormoviesuperstarsaren'treallyheroes﹣﹣﹣they'recelebrities名流productsofthemedia.Thedangercomeswhenyoungpeopleconfusetheheroicwiththefamous.Infactbecausetheydon'thaverealheroespeopleofallagesturntofantasy想象中的heroes.AndthemediainturnfillthisneedwithIndianaJonesSupermanConantheBarbarianJamesBondLukeSkywalkerandotherfantasyfigures. Thesecondtypeofheroyoungpeoplesometimeschoosestandsfordisobedience叛逆towardparentsandrules.AnexampleisBlutoBluntarskyinthemovieAnimalHouse.Blutoisaterribletroublemaker.OfcoursesometeenagersmayactuallyadmireBluto'spersonalqualities. Aretheserealheroes?Notreallybecausewhotheyareandwhattheydoarepurelyadream.Realheroesareonesyouloveandwanttokeepasheroesforever.Celebritiesareeasycomeeasygo. Butdon'tcountrealheroesoutyet.Eveninanagewhenpeoplesaytherearenoheroes﹣﹣﹣onlycelebrities﹣﹣﹣therearecountlessheroes.Therearemanyheroeswhoarenotsowellknown.Theyhaveriskedlifeoranythingvaluableonamatterofprinciple. Everyoneneedsheroestoadmire.Whetherthey'removiestarsrelativesnextdoorneighborsorstrangerswe'vereadaboutweneedthem.Bywhattheydoheroesshowusthatwetoocandosomethingoutstandingevenifweareonlyordinarypeople. 1.Whatproblemdoyoungpeopleoftenhaveaboutheroes? A.Theysearchforheroesintheirdreams. B.Theyneverlearnfromheroes C.Theyareuncertainaboutwhotoadmire D.Theyoftenlovetroublemakers 2.Whatistheauthor'sopinionaboutthetopic? A.Thereareveryfewrealheroes. B.Heroescanbefamouspeople C.Principlescauseheroes'death D.Allpeoplecandosomeheroicdeeds. 3.Youngpeopleneedheroesmainlybecausetheywantto. A.haverolemodels B.becomesuperstars C.admirecelebrities D.lovefantasyfigures 4.Whichofthefollowingcanbethebesttitleforthetext? A.BecomingHeroes B.EverybodyNeedsHeroes C.CelebritiesorHeroes? D.WhyHeroes?
AbeautifulSeptembereveningmy11﹣year﹣oldgrandsonJoshandhisteamwerewarmingupfortheirfirstfootballgameoftheseason. Atsixthe1calledthecaptainsforwardsaidsomethingand2hiswhistle.Thetwoteams3separately.Iwas4.Theotherteamwas5teninchestallerthanourplayers.Itdidn'ttakelongfortheir6advantagetoshow.Theytooka7﹣0leadvery7.Atthehalfthescorestoodat34to6.Josh8minimalplaytime.InthesecondhalftheyusedJoshmoreoften.Thescoreclimbedto40to6. Onceagaintheotherteambegantheir9downthefield.Theirquarterbackthrewtheball.Thereceivercaughtitand10thegoal.Therewasonlyonemaninhis11﹣Josh.Joshdoveand12thatboy'slegswithallhisstrength.ThereceiverdraggedJoshacoupleofyardsand13felldown. OnthenextplaytheirquarterbackshotthroughanopeningandrushedtothegoalbuttherewasJoshagain.Joshtookhimoffhisfeetand14anothergoal.Theyscoredonthelastplay.butitwasn'tJosh's15.Thegameendedwithascoreof48to6. Onthewayhome.Iwantedto16Joshbutheturnedtomewitha17smile.Grandpathatwasa18game. Butyoulost48to6! IknowbutIdidgood. Theboyunderstoodthe19betterthanIdid.Theydidn'twinbuthedidhisbest.Iwasproudofhim.More20hewasproudofhimself. 1.A.player B.referee C.coach D.receiver 2.A.waved B.raised C.threw D.blew 3.A.gathered B.practiced C.celebrated D.wandered 4.A.inspired B.embarrassed C.shocked D.delighted 5.A.intotal B.onaverage C.atlength D.forexample 6.A.speed B.strength C.age D.size 7.A.often B.soon C.regularly D.rarely 8.A.saw B.lost C.expected D.wasted 9.A.break B.search C.charge D.debate 10.A.1etin B.foughtfor C.wentin D.headedfor 11.A.way B.position C.sight D.mind 12.A.maderoomfor B.1ookedupat C.tookholdof D.keptawayfrom 13.A.accidentally B.finally C.deliberately D.gradually 14.A.saved B.gained C.tried D.kicked 15.A.turn B.honor C.fault D.option 16.A.trick B.scold C.praise D.comfort 17.A.sad B.wide C.bitter D.polite 18.A.great B.close C.silly D.vital 19.A.team B.play C.game D.field 20.A.seriously B.fortunately C.specifically D.importantly
Imaginebeingbornwithoutarms.Noarmstohugsomeoneandnohandsto1touch.Orwhataboutbeingbornwithoutlegs?Havingno2todancewalkrunorevenstandontwofeet.Nowputbothofthosescenestogether:noarmsandnolegs.Howwouldthat3one'severydaylife? WithoutanymedicalexplanationNickVujiciccameintotheworldwithneitherarmsnorlegs.Imaginethe4hisparentsfeltwhentheysawtheirbabybeingwhattheworldwouldconsiderimperfectand5.Littledidtheyknowthatthisbeautifullimblessbabywouldonedaybesomeonewhowould6andmotivatepeoplefromallwalksoflife. ThroughouthischildhoodNickdealtwiththe7ofself﹣respectandstruggledwithdepressionand8.AsNickgrewuphelearnedtodealwithhis9andstartedtobeabletodomoreandmorethingsonhisown.He10tohissituationandfoundwaysto11tasksthatmostpeoplecouldonlydobyusingtheirlimbssuchascleaningteeth12hairtypingonacomputeretc.Astime13Nickbegantoeagerlyaccepthis14andachievegreaterthings. Nickgotadoublebachelor'sdegree15inaccountingandfinancialplanning.Bytheageof19Nickhadstartedto16hisdreamofencouragingothersbysharinghisstorythrough17speaking.Hefoundthepurposeofhis18.Nowat27yearsoldhehasaccomplishedmorethanmostpeople.Hehastravelledaround19hisstorywithmillionsofpeople.Heisatrueinspirationalandmotivational20. 1.A.understand B.experience C.know D.prevent 2.A.ability B.interest C.reason D.chance 3.A.affect B.limit C.improve D.design 4.A.calmness B.excitement C.shock D.eagerness 5.A.unique B.abnormal C.extraordinary D.unqualified 6.A.teach B.organize C.inspire D.comfort 7.A.challenge B.management C.question D.load 8.A.tiredness B.disappointment C.loneliness D.relief 9.A.fault B.disability C.shortage D.willpower 10.A.devoted B.attended C.adapted D.stuck 11.A.accomplish B.attain C.find D.reduce 12.A.wearing B.brushing C.cutting D.losing 13.A.wentup B.wentahead C.wentaway D.wentby 14.A.situation B.position C.state D.emergency 15.A.researching B.majoring C.aiming D.choosing 16.A.cometrue B.undertake C.realize D.support 17.A.meaningful B.motivational C.significant D.strong 18.A.action B.behavior C.existence D.communication 19.A.telling B.recalling C.sharing D.writing 20.A.doctor B.speaker C.writer D.driver
Lostwalletswhichcontainapictureofababyaremorelikelytobereturnedtotheirownersscientistshavediscovered. Researchersleft240walletsonthestreetsofEdinburghlastyeartoseehowmanywerereturnedtotheirowners.Someofthewalletscontainedoneoffourphotographs﹣ababyacutelittledogafamilyandaportraitofanelderlycouple.Otherwalletscontainedacardsuggestingtheownerhadrecentlymadeacharitydonationwhileacontrolsample对照组containednothingatall. ProfessorRichardWisemanapsychologistwhowasinchargeoftheexperimentsaid42percentofthewalletswerepostedbackintotal.Thosecontainingthepictureoftheinfantorthebabyweremostlikelytobringaboutanhonestreactionfromthefinderwith88percentbeingreturnedfollowedbythosecontainingpicturesofthelittledogat53percent.Ofthosefeaturingthefamilysnapshot48percentweresenttothereturnaddressandonly28percentofthosewiththepictureoftheelderlycouple.Walletscontainingthecharitycardsandthecontrolsamplewereleastlikelytobereturnedwithratesof20and15percent. ProfWisemanoftheUniversityofHertfordshiresaidThebabykickedoffacaringfeelinginpeoplewhichisnotsurprisingfromanevolutionaryperspective角度.Wewereamazedbythehighpercentageofwalletsthatcameback. Thewalletswereplantedatrandomaboutaquarterofamileapart.Snapshotswereinsertedintoaclearplasticwindowinsidethewalletsnoneofwhichcontainedmoney. 1.What'sthemainideaofthepassage? A.Researchersleft240walletsonthestreetsofEdinburghlastyear. B.ProfessorRichardWisemancarriedoutanexperimentwith240wallets. C.Lostwalletscontainingapictureofababyaremorelikelytobereturned. D.Walletswithcontainnothingaremostlyreturnedtotheirowners. 2.Thepassageismadebelievableby. A.tellingstories B.usingfigures C.askingquestions D.givingexamples 3.TheunderlinedphrasekickedoffinParagraph4mostprobablymeans. A.caused B.showed C.avoided D.accepted 4.Itcanbeinferredthat. A.peoplewhoreturnedthewalletsareinterestedinpsychology B.dogsaremorerespectedinwesterncountriesthantheelderly C.ProfessorWisemanhadexpectedtheresultbeforetheexperiment D.theresultoftheexperimentcanbedifferentifwalletscontainmoney
Therearevariousaspectsthatgointomakingasuccessfulschoolandsuccesscanbemeasuredinvariousways.Oftentheteachersarepraisedforaschool'ssuccessandblamedforitsfailure.Yetinorderforaschooltobeeffectiveitmustbeaplacewhereteachingandlearningcaneasilytakeplaceandthatrequiresthehardworkofmorethanjusteducators.Studentsmusttakelearningintotheirownhandsandfeelasifwhattheyaredoingisasimportantasitactuallyis.Thiscanonlybedonewiththecooperationofeveryadultthatisinvolvedinthestudents'life.Someoftheseindividualsoftengounnoticedyettheroletheyplayinthestudents'livesisimmeasurable. Intheschooladministrativeassistantsgreetstudentsatthestartofthedayandansweralargequantityofquestions.Whenanassistantremembersastudent'snameorevensomethingspecialaboutthatstudentitcommunicatestohimthatheiscaredfor.Theassistantcanalsogivethatextraencouragementforastudenttomakebetterchoicesespeciallywhentheyarevisitingtheprincipal'soffice. Meanwhilethoughcafeteriaworkershaveashortspaceoftimetointeractwithstudentstheycanmakeabigdifferenceaswell.Beyondmeetingnutritionalneedscafeteriaworkersmayalsoonoccasionmeettheemotionalneedsofthestudentstheyserve.Studentsbenefitfrompositiveinteractionwithadultsandcafeteriaworkersmaygivethatextrabitofencouragementthatachildneeds. Custodians管理员areusuallyunderappreciatedforwhattheyoffertoschools.Theyhavetobeknowledgeableabouteverythingfromcleaningtofixingthemostintricate复杂的tools.Theygettoschoolearlyinthemorningbeforeteachersarriveandlockuplateatnightafterthelaststudenthasleftfromtheafter﹣schoolevent.Theyalsomakesureteachersareequippedwiththenecessaryitemsandpreparetheroomssothattheyarereadyforlearning.Agreatcustodianalsogivesthatkindwordorextrasmiletothatstudentwhoneedsitmost. 1.Thepurposeofthepassageisto. A.emphasizetheroleteachersplayinaschool B.highlightthecontributionsofotherstaffatschoolbesidesteachers. C.telluswhomakethegreatestcontributionstoaschool D.explainwhatcontributestothesuccessofastudent 2.Ifanassistantremembersastudent'snamethestudentwillfeelthat. A.heispaidparticularattentionto B.heisspecial C.hehasdonesomethingwrong D.hehasmadeprogressinstudy 3.WhichofthefollowingisTRUEaboutcafeteriaworkers? A.It'senoughforthemtocookforthestudents. B.It'shardforthemtointeractwiththestudents. C.Theyhavethemostinteractionwithstudentsatschool. D.Theycanalsomeettheemotionalneedsofthestudents. 4.Howdoestheauthorfeelaboutthestaffmentionedinthetext? A.Disappointed. B.Dissatisfied. C.Appreciative. D.Doubtful.
﹣﹣﹣Youwantcreamandsugarinyourcoffee? ﹣﹣﹣ A.Asyoulike B.Yesplease C.Pleasedo D.Yeswithpleasure
热门题库
更多
高二下学期物理
高三下学期物理
高三上学期物理
高三上学期生物
高三上学期化学
高二下学期化学
高二下学期生物
高三下学期生物
高三下学期化学
高三上学期英语
高二下学期英语
教案备课库
高三下学期英语
教案备课库
教案备课库
教案备课库
湘公网安备 43130202000226号