上海市华东师大三附中2024届高考英语倒计时模拟卷含解析

上海市华东师大三附中2024届高考英语倒计时模拟卷考生请注意：1．答题前请将考场、试室号、座位号、考生号、姓名写在试卷密封线内，不得在试卷上作任何标记。2．第一部分选择题每小题选出答案后，需将答案写在试卷指定的括号内，第二部分非选择题答案写在试卷题目指定的位置上。3．考生必须保证答题卡的整洁。考试结束后，请将本试卷和答题卡一并交回。第一部分（共20小题，每小题1.5分，满分30分）1．—WhorecommendedNancyforthepost?—ItwasJames______admirationforherwasobvious.A．who B．that C．whose D．whom2．Theoldroadisindeedlessdirectandabitlonger.Wewon’ttakethenewone,_______,aswedon’tfeelsafeonit.A．somehowB．otherwiseC．thereforeD．though3．Newly-builtwoodencottageslinethestreet，___________theoldtownintoadreamland.A．turned B．turningC．toturn D．havingturned4．—Toapplyforashort-termstudyvisaintheUK,IhavetobeabletospeaksomeEnglish,butIwanttogotherejusttolearnEnglish.—Oh,it’sreally____.A．aconfidentialsource B．acatch-22situationC．aPandora’sbox D．aHerculeantask5．You’dbetterwritedownthephonenumberofthatrestaurantforfuture________.A．purposeB．referenceC．memoryD．assessment6．—Excuseme,canyoutellmewhereIcanfindasupermarket?—Ihappentoknow________nearby.Comeon,I’llshowyoutheway.A．one B．itC．that D．some7．I'msorryyou______solong,butit'llstillbesometimebeforeJimgetsback．A．wait B．waited C．hadwaited D．havebeenwaiting8．He________whethertosetasidetheminordifferences，thenhedid．A．debated B．predictedC．plotted D．calculated9．______hewas12,Einsteinhadlearnedadvancedmathematicsbyhimself.A．ThefirsttimeB．AtthetimeC．BythetimeD．Duringthetime10．Thenewteacherwassowell-organizedthatshebegan________westoppedyesterdaysothatnopointwasleftout.A．when B．inwhichC．how D．where11．Wildanimalsinnaturereservesneedtodeveloptheirsurvivalskillsandtheirwildnature.A．display B．possessC．maintain D．monitor12．_____here,comeandhaveacupoftea.A．Passing B．Topass C．Pass D．Havingpassed13．—DoyouknowanythingaboutBritishhistory?—______________.Ihavenointerestinit.A．Takeiteasy!B．Pleasedon’tbother.C．It’suptoyou.D．No.It’sbeyondme.14．Ithinkheropinion_________,becausesheisanexperiencedteacher.A．numberB．calculatesC．figuresD．counts15．Thewidespreadofsuperhybridricearoundtheworld______thelivesofmillionsandmillionsofpeoplesufferingfromhungertoagreatlevel.A．hasimproved B．isimproving C．improved D．hasbeenimproving16．Themoviecouldn’tbemoreboring.IwishI________toit.A．hadnotbeen B．havenotbeenC．didnotgo D．havenotgone17．________hasgreaterpotentialthanflammableicebeingminedfromunderneaththeSouthChinaSeawhenitcomestoaglobalenergyrevolution.A．nothing B．neitherC．noone D．none18．Schoolchildrenmustbetaughthowtodealwithdangerous________.A．statesB．conditionsC．situationsD．positions19．Thegovernmentplaced_____onthenumbersofforeigncarsthatcouldbeimported.A．limitations B．administrationC．requirements D．restrictions20．Thesameboilingwatersoftensthepotatoandhardenstheegg.It’sabout________you’remadeof,notthecircumstances.A．that B．whatC．how D．who第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21．（6分）MatthewLaytonwas20minutesfromhomeinSevierville,Tennessee,onacoldNovembernightin2016whenhegotacellphonecallfromhismother.“Themountain’sonfire,”shescreamed,“andBrian’supthere!”Layton’sfamilyownedadozenrentalcabins(小屋)onShieldsMountain,andLayton’sfriendandfellowrental-cabinowner,BrianMcGee,age56,wasuptheretryingtoputthefireoutbyhimself.Layton,32,hitthegas.Helivedonthemountaintoo.Laytonturnedaroundandheadedforadirtroad.Hemadeitabouthalfwayupthesteep,windingpathbeforehisfront-wheel-drivecargaveup.HecalledMcGee,whodrovedowninhispickupsotheycouldfightthefiretogether.TheyheadedfirsttoLayton’srentalcabins.“Iwantedtomakesureourguestsweregone.Theywere,”saysLayton.Atthatpoint,hehadachoice:trytosavehiscabinsorrescuepeoplerentingothercabinsnearby.“Onthemountain,youdon’thavemanylocals.They’remostlytouristswhodon’tknowtheirwayaround,”hesays.Overthenexttwohours,thetwofriendsdrovethroughthesmokymountain,knockingondoorsandleadingpanickedpeopletosafety.“Iknowthatmountainsowell,”Laytonsays,“IcoulddriveandknowexactlywhereIamjustbytimetraveled.”Thankstotheirbraveandimmediateaction,thetwohelped14peopleoutofthedanger.FourteenpeoplediedthatnightinSevierCounty.Butthefiredidn’ttakeawayasinglelifeonShieldsMountain.Andthoughhishomeandbusinessweredestroyed,Laytonremainscalm.“Iwasn’tworriedaboutmyloss,notwhenIsawthosefamiliestrappedonthemountain,”hesays,“IknewIwasgonnahelpthem.”1、WherewasLaytonwhenthefirebrokeout?A．Visitinghismother.B．Awayfromhishome.C．Headingforthecabins.D．Drivingonadirtroad.2、WhatcanwelearnfromPara.2&3?A．Layton’scarbrokedownhalfway.B．BrianwasinchargeofLayton’scabins.C．LaytonpickedupBrianonthepath.D．Brianlivedinthemountainalone.3、Whycouldthetwofriendsrescuethepeople?A．Theyputoutthefirebeforeitspread.B．Theyturnedtolocalsforhelp.C．Laytonwasfamiliarwiththearea.D．Briangaveuphisowncabins.4、WhatdidLaytonmeaninthelastparagraph?A．Heblamedhimself.B．Hesufferedalot.C．Hefeltsorry.D．Hewasrelieved.22．（8分）Dec11,2016markedthe15thanniversaryofChina’sentryintotheWorldTradeOrganization(WTO).Nowthecountryhasgrownintotheworld'ssecond-largesteconomyandthelargesttradingcountry,whilemillionsChinesehavebeenliftedoutofpoverty.And15yearson,beingaWTOmemberhastransformedthenationseverydaylivesforthebetter.ImportsarenowacommonsightinChinesestoresandsupermarkets,whiletheywerepreviouslyrarelyseenonshelves.TheChinesenowhaveaccesstomanyimportsvaryingfromluxurygoodslikehigh-endcarsandfamousbrandwatchestodailynecessitieslikevegetablesandfruits.China’sWTOmembershiphasalsomadeimportslessexpensivefortheChinesepublic.Forinstance,since2005,notariffs(关税）havebeenchargedonChineseimportsofdigitalcamerasandvideogames,alongwithotherdevices.Thishasmadethemlessexpensive.ChineseeducationindustryhasalsobenefitedfromChina’sWTOmembership.ManytopglobaluniversitieshavejoinedforceswithChineseonestoestablishcooperativeeducationinstitutions,bringingforeignteachingconceptstoChinesestudents.Forexample,NewYorkUniversityShanghaiwasjointlyfoundedbyNewYorkUniversityandEastChinaNormalUniversity.Inaddition,anincreasingnumberofChinesestudentsarefurtheringtheirstudiesabroad.AccordingtotheMinistryofducation,523,700studentsstudiedoverseaslastyear,andthenumberisexpectedtocontinuegrowingthisyear.China'sWTOentryhasbroughtbenefitsnotonlytothecountry’speople,butalsototherestoftheworld.However,somedrawbacksalsocomealongwiththemembership.Since2005manyChinesehavebeenunemployedinmanyfields,whichresultsinsomesocialproblems.1、WhatdoweknowaboutWTO?A．Itfocusesonwipingoutpoverty.B．ItacceptedChinaasamemberin2001.C．ItcelebratedChina’sentryintoWTOlastyearD．IthasturnedChinaintothelargesttradingcountry.2、AsforChineseimports,whatattract(s)peoplemost?A．Advancedelectronicdevices.B．High-endcarsandfamousbrandwatches.C．Notariffssincetheyear2005.D．Theirvarietiesandmorereasonableprices.3、WhatdoesthemembershipbringtoChineseeducationindustry?A．Morelargecampuses.B．Advancedteachingdevices.C．Differentteachingideas.D．Increasingforeignstudents.4、Whatdoesthepassagemainlytalkabout?A．ThecharacteristicsofChineseimports.B．Thesocialproblemsinthepastfifteenyears.C．TheapparentbenefitsofChina'sWTOmembership.D．AdvantagesanddisadvantagesofChina’sWTOmembership.23．（8分）AttheendofthespringsemesterinMay,studentstakingGeorgiaTech’sonlineKnowledge-BasedArtificialIntelligencecoursereceivedsomesurprisingnews.JillWatson,oneofthenineteachingassistants(TAs)thathadhelpedthemfinishthechallengingcourseforthepastfivemonthswasnota“she”butan“it”—anintelligentrobot!WatsonisthebrainchildofAshokGoel,whoteachesthepopularonlinecourse.TheProfessorofComputerandCognitiveScienceintheSchoolofInteractiveComputingcameupwiththeideaasawaytodealwiththenumberofquestionsposedbystudentsintheonlineforums(论坛).AccordingtoGoel,everytimethecourseisoffered,the300orsostudentsthatenrollpostover10,000questions.Thequestionsareoftenrepetitive.ThisledGoeltowonderifasmartrobotwouldhandlethequestionswhichrequirestandardresponses—thingslikedateswhenassignmentsaredue.HavingworkedwithIBM’sWatsontechnologyplatforminthepast,theprofessorknewitwouldbeidealforhisartificialTA:JillWatson.Theartificialintelligencesystemthatusesnaturallanguageprocessingandmachinelearningtoanalyzelargeamountsofdatahasevenbeenclevererthanhumancompetitorsonthetelevisionshow.Itwouldthereforeeasilybeabletohandleroutinequestionsthatrequiredlittle“thinking”.TheprofessorandhisteamofgraduatestudentsbeganbypopulatingJill’smemorywith40,000questionsandanswersfrompastterms.Thencamethetestingstage.Atfirst,Jillwasnotverygoodandoftengavestrangeanswers.Itoftengotstuckoncertainkeywords.Bytheendofthesemester,JillhadattainedenoughknowledgeandskillstoparticipateinforumswithoutanymanagementfromGoel,ortheotherassistants.1、Whatsurprisedthestudentswhotaketheonlinecourse?A．Thecoursewasinterestingbutchallenging.B．Ateachingassistantwasn’tarealperson.C．JillWatsonisahard-workingTA．D．Theyallfailedtopasstheircourse.2、What’sthebesttitleforthetext?A．ARobotofGeorgiagivesanonlinecourseB．AshokGoelCameupwiththeIdeaofJillWatsonC．JillWatson—OneoftheNineTeachingAssistantsD．GeorgiaTech’sTeachingAssistantTurnOuttoBeaRobot3、WhydidGoeldecidetoinventasmartrobot?A．Anumberofstudentstookhisonlinecourse.B．Asmartrobotisclevererthanahumanbeing.C．Toomanysimilarquestionsaretobedealtwith.4、Whatcanweinferfromthetext?A．Studentsshoulddealwithroutinequestions.B．Jillismainlyinchargeofpostingsurprisingnews.C．TheTAsgivestudentshomeworkatacertaintime.D．GoelissatisfiedwithJill’spresentperformance.24．（8分）CherishtheMomentswithOurParentsTherewassomethinginanelderlywoman’sbehaviorthatcaughtmyeye.Unsureofhersteps,thewomanmovedslowly,alongwithayoungerwomanwhoIguessedwasherdaughter.Thedaughterwasrollinghereyesandcheckingherwatcheveryfewseconds.TheolderwomanlefttheyoungeroneandbegantotickthroughtheDVDsonthenearestshelf.Withouthesitation,IwalkedoverandaskedifIcouldhelpherfindsomething.Thewomansmiledatmeandshowedmeatitleonapieceofpaper.RatherthanrushofftolocatetheDVDforthewoman,IaskedhertowalkwithmesoIcouldshowherwhereshecouldfindit.Lookingback,IthinkIwantedtoenjoyhercompanyforamoment.Hermovementsremindedmeofmyownmother,whohadpassedawaythepreviousChristmas.Aswewalked,thewomanseemedgladoftheunrushedcompanyandcasualconversation.Wefoundthemovieandshetoldmeitwastheoneshe’denjoyedwhenshewasherson’sageandthatshehopedhewouldenjoyitasmuchasshehad.Maybe,shesaidhecouldenjoyitwithhisownyoungchildren.Iaccompaniedhertothequeueatthecashier.AsthecashierputtheDVDintoaplasticbag,Iwentovertotheyoungerwoman,whowasstilltappingherfootatthefrontofthestore.“Isthatyourmom?”Iasked.Ihadexpectedhertotellmeitwasnoneofmybusiness.Butsherolledhereyesandsaid,“Yeah.”Therewasannoyanceinherreply.Stillwatchingthemother,Isaid,“Mindsomeadvice?”“Goahead,”saidthedaughter.IsmiledtoshowherIwasn’tcriticizing.“Cherishher,”Isaid,“Whenshe’sgone,it’sthelittlemomentsthat’llcomebacktoyou.Momentslikethis.Iknow.”Itwastrue.ImissedmymomstillandrememberedwithsadnessthemomentswhenI’dusedmyimpatiencetomakeherlifemiserable.Theelderlywomanmovedslowlybacktoherdaughter.Togethertheymadetheirwaytowardthestore’sexit.Theystoodthereforamoment,sidebyside,watchingtherushoftheholidaycurrent.Thenthedaughterglancedoverandslowlyplacedherarmwithapparentlyunaccustomedaffectionaroundhermother’sshouldersandgentlyguidedherhome.1、92．Thedaughtercheckedherwatchfrequentlybecauseshe______.A．hadtowaitforafriendB．wantedtobuyanewwatchC．wasimpatienttoshopwithhermomD．wasuninterestedinwatchingtheDVD2、94．FromParagraphs3and4weknowthat______.A．theelderlywomanhadn’tseenthemoviebeforeB．theelderlywomanfoundherson’sfavoritemovieC．theauthorandtheelderlywomanhurriedtofindtheDVDD．theauthorandtheelderlywomanenjoyedeachother’scompany3、96．Wecanlearnfromthepassagethat______.A．theauthorhadtreatedhermomverywellB．theelderlywomanlookedliketheauthor’smomC．theauthorscoldedthedaughterforherbehaviorD．thedaughterchangedherattitudetowardhermom25．（10分）Thehemlock(铁杉)treesalongtheWappingerCreek,NewYork,lookhealthy.However,scientistGaryLovettsaysthewhiteballswhichprovideprotectionforthebugsarecreatedbyatinyinsect.It’shardtobelievethetinybugcouldkillatree.However,treescanendupwithmillionsandmillionsofthepests.Whentherearethatmany,itendsupkillingthetree.ThebugfromEastAsiaisslowlykillingtreesacrosstheUSA．Thetrouble－makingbugisjustoneofmanyinvasive(入侵的)peststhathaveslippedintotheUnitedStates.Theycanhurtotherlivingthingsintheirnewhome.Manyinvasivepestsarriveonwoodenpalletspiledinsideshippingcontainers.Theysupportandseparategoods,andkeepthemfromslidingaround.Invasivepestsoftentunnelintothepallets.Howcanwestoppestsfromridingonpallets?Lovettsaysnewrulesareneeded.Thecompaniesthatmakepalletsdon’twantmorerules.Congresshasaddedanamendment(修正案)inthe2018FarmBilltotryandpreventthisproblem.However,Lovettisnothopefulitwillmakemuchofadifference.Palletsarecheckedbyinspectors.Manyaresprayedwithbug－killingpesticide.“Ibelieveinthesystem，”saidBrentMcClendon,presidentofTheNationalWoodenPalletandContainerAssociation.Healsosaidshippingcontainersarecheckedverycarefully.Still,eachyear13millioncontainersareshippedtotheU.S.Eachisfullofwoodenpallets.Lovettsays:“Inspectorscan’tpossiblycheckeverything.Allittakesareafewbadpallets;weshouldgetridofwoodenpallets.”Hebelievespalletsshouldbemadeofplasticoreco－compositewood.Eco－compositewoodisamixofwoodfiberandplastic.Insectscannothideintoit.Oneproblemisthatthesechoicescostmore.Theymaybeworththeextramoney,though.InvasivepestscosttheU.S.$5billionayear.Treesdon’tjustdieinforests.Theyalsodieincitiesandouryards.Then,theyneedtobereplaced.Thatcostsmoney,too.1、AllthestatementsareTRUEexceptthat________.A．pesticidehasbeenappliedtobug－killingB．thecompaniesmakingpalletsdon’twantmorerulesC．invasivepestshideinpalletsusedinshippingD．invasivepestsarenativetoWappingerCreek2、Whatcanweinferfromthepassage?A．Bugswon’tbotherthetreeifjustinfewnumbers.B．Bugsruintheshippinggoodsslowly.C．Bugscanbeeasilyspottedbyeyes.D．Bugscovertreeswithwhitesoftballsforprotection.3、WhydoesGaryLovettwanttogetridofwoodenpallets?A．Becauseinsectsmostlydieinthem.B．Becausetheyarethemajorpestcarriers.C．Becausetheyarenotworthextramoney.D．Becauseplasticpalletsareeco－friendly.4、Whatdoesthepassagemainlytalkabout?A．Congresscontributesalottodealingwithinvasivepests.B．Effectivemeasureshavestoppedthepestinvasion.C．InvasivepestsareharmingplantsintheUSA．D．EcosystemintheUSAispoorlydamagedbyinvasivewoods.第三部分语言知识运用（共两节）第一节（每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项．26．（30分）FailingSuccessfullyTwoyearsagoItookpartinaspeechcompetitionanddeliveredamemorizedspeech.Itwasahardtimeformewhenthejudge1thewinners.Atlast,themomentoftruthcame.Igottheworst.Afternotbeingplacedinthecompetition,Ireallywantedto2again.Irealizedthatfindingtherighttopicwasthemostimportantpartofthewhole3.Itneedstobemotivationalandinspirationaltothe4.SoIreworkedmyspeechforthefollowingyear,5adifferenttopicandspendingmanyhoursbeforethecomputerandinlibrariesdoingresearch.ThenIworked6thespeech,linebyline,wordbyword,makingit7better.ThenextyearIparticipatedinthecompetitionagain.Igavemy8intwoparts,onewasaboutmyownexperienceandtheotherwasaboutthefeelingsthatpeopleusuallyhavewhengivingaspeech—how9itis,standingonastageallalone,witheveryonesittingandwatchingthem.Myspeech10downwellandIwashopingtodothatalittlebitbetter.11,mywishdidn’tcometrue.ThecompetitionwassofierceandagainIwasn’t12.Iwasdeeplydisappointed,sinceIcouldn’tacceptthefactthatIhad13twiceinsomethingthatIhadworkedsohardon.However,Iknewthatlosingis14andpartoflife.Oneofthejudgessaidtomethatmyspeechwasquitegood,15itneededtobebetterifIwantedtogoanyfurther.Headvisedmetostruggleto16somethinglikesomeoftheemptygestures.HesaidthatIwouldsurelysucceedsomeday.WhileIdidn’tearn17asaresultofthecompetition,Ididgainanewviewpoint.IdiscoveredthatIcouldfailsuccessfully.IthinkI’ll18toworkhardandenterthenextcompetition.Now,wheneverI’mfacedwithadefeat,I19myselfofwhatafamouspersonsaid,“Thepathwaswornandslippery.Myfootslippedfromunderme,knockingtheotheroutoftheway,butIrecoveredandsaidtomyselfthatit’saslipandnota20.”1、A．interviewedB．predictedC．observedD．announced2、A．competeB．sufferC．winD．check3、A．rangeB．conditionC．systemD．process4、A．companionB．audienceC．directorD．author5、A．reviewingB．supposingC．pickingD．comparing6、A．duringB．againstC．behindD．through7、A．increaseB．occurC．exposeD．flow8、A．choiceB．instructionC．reasonD．speech9、A．annoyingB．surprisingC．frighteningD．confusing10、A．slowedB．droppedC．wentD．rolled11、A．AngrilyB．SadlyC．StrangelyD．Eagerly12、A．placedB．treatedC．settledD．affected13、A．decreasedB．escapedC．struggledD．failed14、A．flexibleB．typicalC．appropriateD．normal15、A．butB．soC．forD．or16、A．assumeB．declareC．overcomeD．acquire17、A．awardsB．profitsC．commentsD．qualities18、A．continueB．agreeC．regretD．apply19、A．allowB．informC．accuseD．remind20、A．fallB．pushC．kickD．walk第二节（每小题1.5分，满分15分）阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。27．（15分）在下面句子空白处填入适当的内容（1个单词）或括号内单词的正确形式Onceuponatime.therewasamannamedLeo,whohadaverynicevineyard(葡萄园)。Onedaytheking1．(pass)bythevineyard.Hefoundtheyardsobeautiful2．hewantedtohaveit.HewenttoLeoandasked,“Wouldyousellthewholevineyardtome?Icanpayyousomemoney.”“I'mverysorry.Itisaheritage(遗产)ofmyfamily,3．Ican’tgiveittoyouatanyprice,”saidLeo.Thekingtoldthequeenthestory4．(angry).Thequeensaid,“Youforgetyouaretheking!Letmeteachyou5．togetit.YoucanmakeLeoasmallofficer,thenfind6．excuseandsentence(.判决)himto7．(die).”Thekingdidwhatthequeensaid.Leodiedandthekinggotthevineyard.WhenGodlearnedaboutthis,hewasveryangryandsaid,“Thekingandthequeenmust8．(eat)bydogs.They9．(be)notgoodpeople.Theytakethethings10．arenottheirs.”Atlast,thekingandthequeendiedwhentheywentoutforapicnic。第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）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处错误，每句中最多有两处。错误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：在错的词下划一横线，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。OneeveningIwentoutwithmyfriendsWangYiforamealinacountrypub、Weleftat9:30andIwasofferedtotakeWangYihome、Weweredrivingalongwhen,suddenly,acardrovepastusoutofcontrol、Thecarcrashedandbeforethatitburstintoflames、Werantotheburningcarquickly、Whenwegetthere,wesawthreepeopletrappinginside、Theywerescreamingandweknewwehadtogetthemin、Itwasextremehotasweopenedthedoors,andwesavedthemsuccessfully、It'snicefeelingtoknowtheyhavehelpedtosavethosepeople、第二节书面表达（满分25分）29．（25分）假如你是李华，想邀请英国笔友John参加“中国文化发现之旅”的活动。请给他写一封电子邮件。内容包括：1.活动时间、地点：暑假期间，三明；2.活动主题：传播中国文化，广交世界朋友；3.你将全程陪同并提供所需帮助。注意：1.词数100左右；2.开头和结尾已写好，不计入总词数；3.可以适当增加细节，以使行文连贯。参考词汇：中国文化发现之旅ChineseCultureDiscoveryDearJohn,Howisitgoingrecently?_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yours,LiHua

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、C2、D3、B4、B5、B6、A7、D8、A9、C10、D11、C12、A13、D14、D15、A16、A17、D18、C19、D20、B第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21、1、B2、A3、C4、D22、1、B2、D3、C4、C23、A“smartdrug”takenbystudentstoimprovetheirperformancereallydoeswork,scientistshavefound.Thedrugmodafinil（莫达非尼）iscurrentlyusedtotreatsleepdisorder,butitiswidelyusedoff-labelbystudentstohelpthemreviseforexamsorfocusonlongessays.Untilnow,therehasbeenalackofclearevidenceoverwhetheritcanactuallyboostconcentrationandalertness.Butanewanalysisoftheresearchrevealeditdoesimproveplanninganddecisionmaking,flexibility,learningandmemory,andevencreativity.Thefindingsraiseseriousethical(处方的，道德的)questionsaboutwhethermodafinilshouldbe“classified,toleratedorcondemned”,scientistssaid.ProfessorGuyGoodwin,PresidentoftheEuropeanCollegesaid:“It’sthefirstrealexampleofa‘smartdrug’,whichcangenuinelyhelp,forexample,withexampreparation.”Previousethicaldiscussionsaroundsmartdrugsassumedmajoreffectsofthedrugsbeforeitwasclearthattherewereany,headded.Hecontinued“Ifcorrect,thepresentupdatemeanstheethicaldebateisreal:howshouldweclassify,tolerateorcondemnadrugthatimproveshumanperformance?”[Afifthofuniversitystudentsacrossthecountryclaimtohavetakensmartdrugs,

accordingtosurveysbystudentnewspaperTheTab.AndtheuseofmodafinilismostwidespreadatOxfordUniversity,whereaquarterofstudentshavereportedtohaveusedit.Overtheyears,universitieshavediscus