山东省临沂市蒙阴县实验中学2025届高考冲刺模拟英语试题含解析

山东省临沂市蒙阴县实验中学2025届高考冲刺模拟英语试题请考生注意：1．请用2B铅笔将选择题答案涂填在答题纸相应位置上，请用0．5毫米及以上黑色字迹的钢笔或签字笔将主观题的答案写在答题纸相应的答题区内。写在试题卷、草稿纸上均无效。2．答题前，认真阅读答题纸上的《注意事项》，按规定答题。第一部分（共20小题，每小题1.5分，满分30分）1．---Didyouvisitthefamousculturalrelicslastmonth?---No,we____it,butwespenttoomuchtimeshopping．A．couldhavevisited B．musthavevisitedC．can'thavevisited D．shouldn'thavevisited2．Thereis________asafreedinnerinthisworld.Asthesayinggoes,“Nopains,nogains.”A．nosuchagoodthing B．suchnogoodthingC．nosuchgoodthing D．notsoagoodthing3．AfternineyearsworkingtoprotectSiberiantigers,YangJun_____hiseffortsrecognizedattheannualawardceremonyinBeijingwherehewasnameda"wildlifeprotector".A．had B．hadhadC．hashad D．has4．Myteacheroftensaysthatsuccessinmakingmoneyisnotalwaysagood______ofsuccessinlife.A．beliefB．elementC．criterionD．instance5．Shewassuchaproudpersonthatshewoulddieshewouldadmitshewaswrong.A．sinceB．whenC．unlessD．before6．Sincethematchisover,wecan____bytravellingandstopthinkingaboutbasketball.A．diveinB．switchoffC．pulloutD．splitup7．Itiswhatyoudoratherthanwhatyousay__________matters.A．that B．whatC．which D．this8．Acceptanceisnotaboutlikingasituation.Itisaboutacknowledgingallthathasbeenlostand________tolivewiththatloss.A．learning B．learnedC．tolearn D．havinglearned9．Mysonturnedtobookstoresandlibrariesseekinginformationaboutthebookrecommendedbyhisprofessor,but________none.A．wouldfind B．hadfoundC．found D．hasbeenfinding10．—youplaythepianoatthistimeoftheday?Ineedagoodrestfortomorrow’stest.—Sorry.A．Must B．Shall C．Can D．May11．—Didn’tyougofishingwithyourfriendslastSunday?—No.I______tothenursinghomeasusual.A．went B．go C．havegone D．hadgone12．I’dneverwonderedbeforewhetherornothewaskid-friendly.Withoneglance,Iquicklythatheprobablywasn’t.A．agreed B．reportedC．explained D．decided13．She________tosomeoneonthephone,soIjustnoddedtoherandwentaway.A．talked B．hastalkedC．hadtalked D．wastalking14．—Howlongdoyouthinkitwillbe________theStockMarketreturnstonormal?—Atleastoneyear,Iguess.A．when B．before C．until D．that15．—DoyoulikethemobilegameTravelingFrog?—Yes,thepostsaboutthevirtualgreenfrog________over4milliontimes.A．haveread B．havebeenreadC．wouldberead D．arereading16．China'sBeidouNavigationSatelliteSystemhasstartedprovidingglobalservices,________tobecomecompletearound2020.A．beingscheduled B．scheduled C．toschedule D．scheduling17．________they’vemanagedtogeteverythingfinishedsoquicklyisnotcleartous.A．WhichB．WhatC．ThatD．How18．---Themanagerofthefactorywantstoimproveproductionagreatdeal,buthedoesn’tspendmuchontechnology.---Iamafraidhewon’trealizehisdream.Youknow________.A．youcan’teatyourcakeandhaveit B．emptyvesselsmakethegreatestsoundC．enoughisasgoodasafeast D．twoheadsarebetterthanone19．Whenyouaredressedinthelateststyle,dancingtothemostfashionablemusicafterwatchingthelatestfilm,youfeelgreat,______? A．aren'tyou B．don'tyou C．doyou D．areyou20．________andopentovariousinterpretations,thetermsofthenewproposalneedimprovingbasedontheinterestsofbothsides.A．AccessibleB．ApparentC．AmbiguousD．Aggressive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）Inourlife,theyaretwodifferenttypesofdreamer，一low-recalldreamersandhigh-recalldreamers.AccordingtoresearchersattheLyonNero-scienceResearchCenterinFrance,high-recalldreamersreportedtheyrememberedtheirdreamsalmosteverydaywhilelow-recalldreamerssaidtheyonlyrememberedtheirdreamsonceortwiceamonth,reportedLiveScience.PerrineRuby,aleadscientistattheresearchcenterinLyon,studied41people(21high-recalldreamersand20low-recalldreamers)andrecordedtheirbrainactivity.Shefoundthatapartofthebraincalledthetemporo-parietaljunction(颞顶叶交界处）wasmoreactiveinhigh-recalldreamers.Thiswastruebothwhentheyweresleepingandawake.Thisareaofthebrainisresponsibleforcollectingandprocessinginformationfromtheoutsideworld.Thismeansthathigh-recalldreamersaremoresensitivetowhatishappeningaroundthem.Forexample,whentheyareawake,theyrespondmorestronglytohearingtheirownnames.Whentheyaresleeping,theytendtobewokenupmoreeasilybysoundsandmovements.Bycloselystudyingpeople’sbrainactivity,Rubyfoundthathigh-recalldreamershavetwiceasmuch“wakefulnesstime”duringsleepaslow-recalldreamersdo.Anditisduringtheseshortperiodsofwakefulnessthatthebrainmemorizesdreams.Thisisnothardtounderstand.Justtrytothinkofyourownsleepingexperience.Ifyouarerestlessduringthenight,youaremorelikelytorememberyourdreams,butifyousleepwellandsoundly,youtendtorememberverylittleinthemorning.Thisisbecause“younevergetachancetoremember”,RobertStickgold,aHarvardMedicalSchoolresearcher,toldTheWashingtonPost.AsanotherresearchprojectattheUniversityofTurkuinFinlandshowed,dreamcontentcanalsoaffectourmemory.Negativedreamsareeasiertorecallthanordinarydreams.Nightmaresareoftenrecalledbecausetheyareemotionallynegative,andsuchdreamscausefear.1、Whatcanweknowabouthigh-recalldreamersaccordingtothearticle?A．Theyhaveverylittlebrainactivitywhentheysleep.B．Theycanremembertheirdreamsclearly.C．Theydon’tknowhowtodescribetheirdreams.D．Theycan’tremembertheirdreams.2、Whichistrueaboutlow-recalldreamerscomparedtohigh-recalldreamers?A．Theyhavehigherqualitysleep.B．TheyhavemoresleeplessnightsC．Theyaremoreeasilywokenatnight.D．Theyrespondfasterwhenhearingtheirnames.3、Whatisthemainpurposeofthesecondtolastparagraph?A．ToexplainRuby’sfindings.B．Toattractreaders,interestinfuturestudies.C．Toshowtheadvantagesofbeingalow-recalldreamer.D．Tosuggestwhattodotobecomealow-recalldreamer.4、WhatdidtheresearchprojectinFinlandfind?A．Ordinarydreamscanhelpourbrainrest.B．Dreamsareoftenaffectedbyouremotions.C．Nightmaresoftenhappenwhenwedon'tsleepwell.D．Negativedreamsaremorelikelytoberecalled.22．（8分）Whatiserosion(腐蚀)?Erosionissimplywhensoilistransportedontheearth'ssurfacefromonelocationtoanotherbyanaturalcause.Thisiseasytoimagine.Pictureasandcastleonabeach.Thissandcastleisparticularlybeautiful,theworkofawholelong,hotsummerafternoon.Ithasthreetowers,withagreatwallrunningallaround.Smallsquarehousessitinanopenareainthecenter.FromthetallesttowerfliesaPop-sicle-wrapperflagfromasmalltwigflagpole.Itsbuildersitsback,proudlyadmiringherwork.Butitislate,andthetideiscomingin,bringingthewatercloser.Finally,thecastleishitwithagiantwave.Asitpullsout,thebuilderseesthereisnothingleftbutbitsofthetowersandasmallbrokentwig.Wherehasthesandgone?Notveryfar,really.It’smovingaroundthewaterthatwillwashbackandforthacrossthebeachallday.It’sspreadaroundthebeachnexttothecastle.However,tooureyes,ithasdisappeared.Thisisalsothewaywitherosion.Partsoftheearthseemtodisappearbuthavereallyjustbeenmovedaround.Acommonexampleofwaterchangingthelandscapeissinkholes.Sinkholesareformedwhenundergroundwaterwearsawaythedirtandrockthatsurroundsit.Eventually,theholeunderneaththegroundissobig,andtheearthaboveitsothinthatthesurfacecollapsesintothehole,takingwithitanythingunluckyenoughtobeonthesurfaceatthetime.Sinkholesoccurnaturallyandhavebeenaroundaverylongtime.Today,though,manysinkholesarecausedbytheactionofhumanbeings.Infact,today,humanbeingsareoneofthethingshelpingtospeeduperosionoftheearth.Scientistsbelievethatbypumpingwaterfromunderground,movingsanddunesandothernaturally-occurringanti-erosionmeasures,humanshaveallowederosionoftheearthtospeedupbyasmuchas40times.Thismeansthatbeachesaroundtheworldaredisappearing,moresinkholesareopeningup,andfarmlandisrapidlybecomingdesert.1、What’stheauthor’spurposeofdescribingasandcastleinParagraph2?A．Toshowthedestructiveforceofnature.B．Torecallhishappychildhood.C．Tocatchthereader’sattention.D．Toexplainwhaterosionis.2、Whatdoestheunderlinedword“it”refertointhepassage?A．Thehole.B．Theground.C．Theearth.D．Thesurface.3、Accordingtothepassage,whichofthefollowingcanyouinfermayNOTbethecauseofsink-holes?A．Alotofhigh-riseshavebeenbuilt.B．Peoplepumpwaterfromunderground.C．Toomanymineshavebeenopenedup.D．Undergroundwatertakesawaydirtandrockaroundit.4、Basedonthepassage,whatismostlikelytobeoneresultoferosion?A．Desertificationwillspeedup.B．Sinkholeswillbeeverywhere.C．Manyplantspecieswilldisappear.D．Earthquakeswillhappenmoreoften.23．（8分）WalterPeakHighCountryFarm，onthewesternshoresofLakeWakatipu，isfamousinhistory.ItsshelteredbayswereusedascampingsitesbyMaoritravellingtotheMararoaandOretiRiversonMoahuntingandpounamu(greenstone)gatheringexpeditions.ThingstodoSituatedonpicturesqueLakeWakatipu'swestershores，thefarmistheperfectplacetospendafewrelaxinghours.TheFarmTouritselfisawonderful，interactiveexperienceforthewholefamily，withsomethingtokeepeveryoneentertainedandhappy.Ourruralhostwillmeetyouafteryouleavethesteamboatandtakeyouforawalkingtourofthefarmyard.Thefirststopistheholdingpens(畜栏），whereyoucanhelpfeedthesheepanddeer，andevengetupclosetotheScottishhighlandcattle.ThenwalkslowlythroughthelakesidegardenstothecharmingColonel’sHomesteadformorningorafternoontea.Afterwardsthefarmerwillleadyouovertotheshearingshed(剪羊毛棚）whereyoucanwatchthefarmdogsroundingupsheeponthehills，andseethefarmercutthewooloffasheep.YouwillthenboardthesteamboatforyourcruisebacktoQueenstown.TicketInformationChildTicket$22.00AdultTicket$77.00VisitorInformationOPENINGTIME:10AMCLOSINGTIME:4PMAdditionalInformationAllticketspurchasedatMyFunmustmakeabookingat+64-3441—8166.PleasementionyourMyFunbarcode(条形码)numberwhenmakingyourbooking.Pleaseprintoutyourvoucher(收据）andtakealongwithyoutotheattraction.Ticketsarevalidfor12monthsfromthedateofpurchase.TermsandConditionsPurchaseoftheticketsdependsonourpartner’stermsandconditions.1、Wherecanavisitorhavemorningtea?A．Onthesteamboat. B．Attheholdingpens.C．Intheshearingshed. D．IntheColonel’sHomestead.2、HowmuchshouldaparentwithachildpayfortheFarmTour?A．$99. B．$121.C．$176. D．$198.3、AvisitorwhohasboughtticketsatMyFunmust_____.A．takethevouchertotheFarmB．contactMyFunandgetdiscountC．telltheFarmyourMyFunbarcodenumberD．call+64-3441-8166toprintoutyourvoucher24．（8分）Sittingtoomuchislinkedtochangesinasectionofthebrainthatisimportantformemory,accordingtoarecentstudybyUCLAresearchersofmiddle-agedandolderadults.Studiesshowthattoomuchsitting,likesmoking,increasestheriskofheartdisease,diabetesandprematuredeath.ResearchersatUCLAwanttoseehowsedentarybehavior(sittingforlongperiodsoftime)influencesthehealthofthebrain,especiallyregionsofthebrainthatareimportanttomemoryformation.UCLAresearchersgathered35peopleaged45to75andaskedabouttheirphysicalactivitylevelsandtheaveragenumberofhoursperdaytheyspentsittingoverthepreviouswork.Eachpersonhadahigh-resolutionMRI(热分辨磁共振成像)scan,whichprovidesadetailedlookatthemedialtemporallobe,orMTL,abruinregioninvolvedintheformationofnewmemories.TheresearchersfoundthatsedentarybehaviorisanimportantpredictorofthinningoftheMTLandthatphysicalactivity,evenathighlevels,ismilenoughtocompensatetheharmfuleffectsofsiltingforlongperiods.“Thisstudydoesnotprovethattoomuchsittingcausesthinnerbrainstructures,butinsteadthatmorehoursspentsittingareassociatedwiththinnerregions,”researcherssaid.Inaddition,theresearchersfocusedonthehoursspentsitting,butdidnotaskparticipantsiftheytookbreaksduringthistime.Theresearchersnexthopetofollowagroupofpeopleforalongerdurationtodetermineifsittingcausethetinningandwhatrolegender(性別),race,andweightmightplayinbruinhealthrelatedtosilting.“MTLthinningcanbeanindicationofcognitive(认知的)declineinmiddle-agedandolderadults.ReducingsedentarybehaviormaybeapossibletargetformeasuresdesignedtoimprovebruinhealthinpeopleatriskforAlzheimer’sdisease,”researcherssaid.1、WhatisthestudydonebyUCLAmainlyintendedtofindout?A．Whatharmsittingtoomuchcauses.B．Whysiltingtoomuchislikesmoking.C．Howtoomuchsittingaffectsbrainhealth.D．Whethertoomuchsittingcausesearlydeath2、Participantswerescannedbyahigh-resolutionMRIto.A．evaluatetheirmemorylossB．examinetheirMTLconditionsC．recordtheirphysicalactivitylevelsD．recordthelengthoflimefortheirsitting3、WhatdoUCLAresearchersthinkoftheirstudy?A．Itinagreatsuccess.B．Itislittlepracticalvalue.C．Itmusttargettheyoung.D．Itstillneedstobeimproved.4、Whatcanbethebesttitleforthetext?A．LongSittingIsBadforYourBrainB．HowtoImproveBrainHealthC．SittingCausesManyHealthProblemD．AnEasyWaytoPreventMemoryLoss25．（10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.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）Asinglemotheroffivewholivedthroughcountlesshardshipsiscelebratingabigmilestoneinherlife--passingthelawyerexam.IeshiaChamps,33,1herlawdegreeatTexasSouthernUniversityinApril.Shealsogainedonline2whensheuploadedgraduationphotosofherselfandherkidsonFacebook.LastMonday,she3anupdateonFacebookalongwithaletterfromtheTexasBoardofLawExaminer4shepassedtheexam.“Itdoesn’tmatterwhoevercountedmeout,5Godcountedmein,”shewroteonFacebook.Accordingtoherletter,shewillneedtofinishherlicensingprocessinordertobecomeapracticing6inTexas.ChampstoldCBSNewsinAprilthatshewantedtobeinthelawfieldfromayoungage,despite7hardshipsthroughoutherlife.Whilepregnantwithherfourthbaby,Champssaidherhomewas8byafire,shelostherjoband9,andherhusbanddiedofcancer.“Ireallydidn’thaveanystable10atthattime.Mymomwas11drugs.Myfatherpassedaway.AndIwas12,”Champssaid.“Ilivedwithfriends.ThenIdecidedtogoonmy13.”ButChampssaidhersuccesscanbe14toherchildren,whooftenhelpedtheirmotherasshewasstudyingtoearnher15.“WhenIlookatthepictures,Icry,Ismile,andI’mvery16,”ChampstoldCBSNews.“Iseea17whoatonetimeknewthatthehardshipswere18her,Lookingatthatpicture19meofthefactthatIwasn’tbeatenbythehardshipsbutIandmychildrendestroyedthem.Iwillnever20.”1、A．earned B．struggled C．quit D．spotted2、A．blame B．fame C．discount D．fund3、A．deleted B．made C．posted D．deliveries4、A．accepting B．believing C．accompanying D．confirming5、A．because B．though C．despite D．instead6、A．mother B．lawyer C．judge D．graduate7、A．normal B．bearable C．average D．countless8、A．built B．changed C．destroyed D．decorated9、A．simply B．significantly C．unfortunately D．obviously10、A．promise B．organization C．pity D．income11、A．attachedto B．addictedto C．freefrom D．boredwith12、A．homeless B．proud C．brilliant D．pleasant13、A．life B．job C．marriage D．payment14、A．led B．reduced C．devoted D．credited15、A．money B．degree C．dignity D．effect16、A．grateful B．painful C．stressful D．hopeful17、A．victim B．friend C．woman D．student18、A．for B．with C．against D．without19、A．charges B．reminds C．tells D．ignores20、A．giveout B．breakaway C．gocrazy D．givein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）WolfWarriorIIissuchahitthatithasputChinainthe1．(globe)spotlight.Sinceitsfirstofficialrelease,thefilm2．(receive)praiseforitspatrioticplot,actionsequences,specialvisualeffectsandthecast’sperformances.It’salsothefirstfilmtotastesuccessbothintermsofboxofficeearnings3．promotingChinesevalues.ThefilmfocusesonarescueoperationinAfrica,4．(lead)byLengFeng,playedbyWuJing,thewriteranddirectorofthefilm,whichis5．(loose)basedonthetrueeventsofthe2011evacuation(撤离)ofChinesepeoplefromLibya,thefilmdescribeshowtheChinesegovernmentaims6．(protect)overseasChinesecitizens.Just7．themessageattheendofthefilmreads:“Whenyouencounterdangerinaforeignland,donotgiveup!Pleaseremember,atyourback8．(stand)astrongmotherland.”China’s9．(rise)militarypoweranditspositiveroleintheworldhavebroughtoutabiggersenseofprideamongyoungpeopleinChina.Itisreported10．ChinahasselectedWolfWarriorIiasitsentryinthebestforeign-languagefilmcategoryatnextyear’sOscars.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。IammorethangladtotellyouaboutmytripinXi’an,acapitalcityofShaanxiProvince.Whatimpressesmedeepisitsnaturalsceneryandlonghistory.First,asitisknowntotheworld,Xi’anhasalonghistoryandisthebirthplaceofChinesecivilization.Itsculturalandhistoricalsignificanceofthearea,aswellasmanyhistoricalsites,helpXi’anenjoythetitleof“NaturalHistoryMuseum”.TheTerracottaWarriors,asexample,arepraisedas“theeightwonderoftheworld”.Second,itisinafavorablegeographicallocationsurroundingbytheWeiRiverandQinling.IhavealsoclimbedMountHua,oneofthefivemostfamousmountainsinChina,whatisfamousforitsbreathtakingcliffsanduniquecharacteristics.Itisreallyworthyvisiting,andI’mlookingforwardtoyourcoming.第二节书面表达（满分25分）29．（25分）假设你是李华，收到美国笔友Jane的来信，谈到在学习和生活中的一些困扰。请你根据以下内容提示，给她回一封信，提出相应的建议。面临的困扰:1.学习有困难;2.与同学相处不好;3.沉迷于网络…相应的建议:1.多花时间，用心…;2.真诚待人…3..…注意:1.词数100左右；2.可适当增加细节，以使行文连贯；3.首句已给出，不计入总词数.DearJane,I’msorrytohearthatyouhavesomeproblemsinyourlife.__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yoursincerely,LiHua

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、A2、C3、A4、C5、D6、B7、A8、A9、C10、A11、A12、D13、D14、B15、B16、B17、D18、A19、B20、C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、A4、D22、1、D2、D3、A4、A23、1、D2、A3、A24、1、C2、B3、D4、A25、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,universitieshavediscussedhowbesttorespondtotheuse