安徽省界首市2025届高三第三次模拟考试英语试卷含解析

安徽省界首市2025届高三第三次模拟考试英语试卷注意事项：1．答卷前，考生务必将自己的姓名、准考证号、考场号和座位号填写在试题卷和答题卡上。用2B铅笔将试卷类型（B）填涂在答题卡相应位置上。将条形码粘贴在答题卡右上角"条形码粘贴处"。2．作答选择题时，选出每小题答案后，用2B铅笔把答题卡上对应题目选项的答案信息点涂黑；如需改动，用橡皮擦干净后，再选涂其他答案。答案不能答在试题卷上。3．非选择题必须用黑色字迹的钢笔或签字笔作答，答案必须写在答题卡各题目指定区域内相应位置上；如需改动，先划掉原来的答案，然后再写上新答案；不准使用铅笔和涂改液。不按以上要求作答无效。4．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．Aheartylaughrelievesphysicaltension,_____yourmusclesrelaxedforoverhalfanhour.A．toleave B．left C．leaving D．leave2．Allchildrenshouldgetaccesstoahigh-qualityeducation________theirrace,zipcodeorfamilyincome.A．dependingon B．regardlessofC．dueto D．apartfrom3．Intheearlymorningallofusstoodatthetopofthemountain___________eastofthecity,watching__________burningsunrising.A．/;a B．the;aC．the;the D．/;the4．Thepresidentstoodbyawindowinsidetheroom,________Ientered,lookingoverthesquare.A．where B．intowhichC．which D．that5．TheOxfordEnglishDictionaryisnecessaryforlearningEnglish,soyou'dbetterbuy___.A．this B．that C．it D．one6．Thefinancialdamageisnothingcomparedtowhat_______iftherehadbeenchildrenintheclassroomintimeofthefire.A．wouldhappen B．happenedC．wouldhavehappened D．shouldhavehappened7．Thefirstsnowdidn’tfalluntilFebruaryinourprovincethisyear,________wasunexpected.A．it B．which C．that D．what8．Encourageyourchildrentotrynewthings,buttrynotto_________________themtoohard.A．draw B．strikeC．rush D．push9．Manyyoungpeoplejustcan’tlivewithouttheInternet,theydependonforwhateverinformationtheyneed.A．which B．when C．where D．what10．Thelivingroomiscleanandtidy,withadiningtablealready__________foramealtobecooked.A．laid B．layingC．tolay D．beinglaid11．Thelittleboystaredatthestrangemanquestioningly,not________whethertobelievewhathehadsaid.A．toknow B．knowingC．known D．havingknown12．—Haveyouwatchedthefilm“Avatar”?—Notyet.ButIthefilmisworthwatching.A．amtold B．wastold C．havetold D．havebeentold13．—Iamsogladtofindyouathome.Canyoudomeafavor?—Sure._______?A．Whynot B．What’supC．Howcome D．Howisitgoing14．(2013·天津，9)Noone________bemoregenerous；hehasaheartofgold.A．couldB．mustC．dareD．need15．Asisknown,itwasHuJintao,_______presidentofournation,whogave________lectureattheceremonyofNationalDayA．the;a B．the;/ C．a;the D．/;a16．—Hey!EveryoneintheofficewasatthedinnerpartyinhonorofMr.Charlesexceptyou.Whathappened?—I______afterMike,mycolleague.Hewasbadlyill.A．havelookedB．waslookingC．wouldlookD．hadlooked17．Webelieve________youhavebeendevotedto________naturallyofgreatnecessity.A．that;being B．allthat;beC．thatall;are D．what;is18．—Doyouoftencomeheretohaveawalk?—No,only_________,becausewearemuchtoobusy.A．occasionallyB．eventuallyC．merelyD．frequently19．---Dad,haveyouseenmyChristmascard?---______youpaintedlastnight?I’mafraidIhaven’tseen______.A．One;one B．Theone;itC．One;it D．Theone;that20．Howlongdoyousupposeitis______hearrivedthere?A．whenB．beforeC．afterD．since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）Pictureaniceberg(冰山).You'llprobablyimaginesomethingwhiteassnowrisingupoutofabluesea.Buticebergscanbeallsortsofshades.Theycanbefromafrostybluetoanattractivegreen.Researchersandsailorshaveobservedemerald(翠绿色)icebergsforyears.Alargepieceofice"mast-high"and"greenasemerald"evenappearsinSamuelTaylorColeridge's1834poem.Buttheyhaven'tfoundoutexactlywhytheseicebergslookthewaytheydo.AnewpaperledbyStephenWarrenwaspublished.Itallhastodowithwhaticebergsaremadeoutof.Icebergsbreakoffglaciers(冰川)oriceshelves,whichhappensmainlyaroundAntarcticaandGreenland.Theybegintheirlivesassnowfallthataccumulatesovertime.So.icebergscontainairpocketswiththeformofbubblesthatspreadlight.Withsomeexceptionsandrarelines,glaciericetendstolookbluishwhite.Atfirst，Warrenguessedthatthegreenwasaproductofmeltcarbon.Anditcamefromrottingplantsorseaanimals.Butsamples(样本)didn'tproveit.AnotherideastartedtotakeshapeaftertheyhadfoundahighconcentrationofironinasampleofseaicefromtheAmeryIceShelf.Whenglaciersrubacrossland,theyproducewhat'sknownasglacierflour.Itisaproductofbedrockbeinggroundclownbythemovingmass.Asglaciersmoveaway,theseremainsareusuallywashedoutintowater.inparticlessometimestoosmalltobenoticeabletoyoureyes.Butonland.soilandrockscontainironoxidesthatoftenhaverosycolors.likereds,yellows,andbrowns-andsincetheseaicecontained500timesmoreironthantheglacierice,Warrenwonderedwhethertheremainswereresponsibleforicebergstakingonagreenappearance.Hedoesn'tknowforsure.He'shopingtosecuremoneysothathecanreturntotheareaandstudytheicebergsthemselves.1、WhyisSamuelTaylorColeridge'spoemmentionedinthetext?A．Ittellswhyicebergslookthewaytheydo.B．Itdescribesvividlywhaticebergsarelike.C．Itsayscausesoftheappearanceoficebergs.D．Itprovestheexistenceofcolorfulicebergs.2、WhatcanweknowaboutStephenWarren'spaper?A．Itdrawsonresearchers'andsailors'views.B．Itistherecordofthemovementoficebergs.C．Ittalksabouthowicebergscomeintobeing.D．Itisacollectionofvarioussocialphenomena.3、Whatdoestheunderlinedword"it"inparagraph4referto?A．Asampleofseaice. B．Warren'sfirstguess.C．Warren'sideaoniron. D．Aproductofmeltcarbon.4、Whatisparagraph5mainlyabout?A．Thepossiblereasonwhyicebergslookgreen.B．Wheremostoficebergseventuallydisappear.C．Howicebergstakeinthecolorsfromglaciers.D．Thewayinwhichicebergsbreaksoffglaciers.22．（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.23．（8分）ThepeopleofChicago,Illinois,US,canthankthreecanalseverytimetheydrinkaglassofcleanwatertoday.ThebuildingoftheIllinois-MichiganCanal,theChicagoSanitaryandShipCanalandtheCal-SagCanalallhelpedtheChicagoRiverstartflowinginadifferentdirectionin1892.Sincetheirconstructionoveracenturyago,thesewaterwayshaveconnectedLakeMichiganandtheMississippirivernetworkandensuredaregularflowoffreshwaterofChicago.However,someunusualandunfortunatesideeffectshavealsobeencreatedbecauseoftheirconstruction.Asiancarp(鲤鱼),alsoknownassilverorflyingcarp,arethreatenedintheirnativehabitatintheChineseHeilongjiang,Yangtze,andPearlRiverbasins.ButtheyhavebecomeincreasinglysuccessfulatfillingtheMississippirivernetworksincefirstbeingintroducedintoArkansascatfishfarmsinthe1970stocontrolalgae(水藻).Byswimmingintothecanalsandspreadingfurtheracrossthecountry,therearenowmajorfearsthatthisintroducedspeciesmaybeabletoaccessLakeMichiganandthewiderGreatLakes-whichstoreanincredible21percentoftheentireworld’sfreshwater.“TheactualinfluenceofAsiancarpontheGreatLakeshasyettobeexplainedclearly,andwethinkthisuncertaintyispartofthereasonwhytheyaresuchanobviousissue,”saysDrCorySuski,AssociateProfessorintheDepartmentofNaturalResourcesandEnvironmentSciencesattheUniversityofIllinois.HepointsoutthatadultAsiancarparetoolargetobehuntedbyanythinglocally,thattheyhaveaprolific(多产的)reproductionrate,andtheycanstealfoodfromtheothernativespeciesintherivers.“CouldtheysurviveintheGreatLakesoristherenotenoughfoodforthem?”heasks.Stoppingthefishfromspreadinghasthereforebecomeakeyconcernforlocallawmakers,whohavemadeeffortssuchasbuildingelectricfencesintheChicagoSanitaryandShipCanal.However,anybigeffortstostopthecarp-suchasallowingtheChicagoRivertoonceagainflowinitsoriginaldirection-wouldinturnthreatenthesecurityofthecity’swatersupply,replacingonebigproblemwithanother.1、Accordingtothetext,theconstructionofthethreecanals.A．changedthedirectionoftheMississippiriver.B．broughtfreshwatertothepeopleofChicago.C．lastedforalmostacenturybecauseofhugecost.D．hasbeenthelargestconstructionprojectinUShistory.2、Accordingtothetext,Asiancarps.A．havenearlybecomeextinctinChineserivers.B．haveoccupiedlargeareasintheGreatLakes.C．wereintroducedtotheUStofightagainstalgaepollution.D．arelikelytopollutethefreshwaterintheGreatLakes.3、WhatisthemajorconcernofAsiancarpintheUS?A．Itslargesizeandfastreproductionrate.B．Thefoodshortagefacingthespecies.C．ItsthreattotheGreatLakesecosystem.D．Itsnaturalenemiesinthelocalareas.4、Whatcanweinferfromthelastparagraph?A．USlawmakersknewlittleofthethreatcausedbyAsiancarp.B．ElectricfencesmightnotbeenoughtostopthespreadofAsiancarp.C．TheChicagoRiverhaschangeditsflowingdirectionmanytimes.D．PeopleinChicagowillsoonfaceaseriouswatersupplyshortage.24．（8分）Uncoveramagicalmixofnewandunforgettableexperienceswhenyouaddthemeparkadmission.Item1:Anall-NewLanaandEveningShowatDisney’sAnimalKingdomThemeporkBuryyourselfinthemagicofnaturelikeneverbeforeatPandora-TheWorldofAvatar.Visitthisdestinationtostartinnovative(革新的)travelandenjoythemeddiningandshoppingopportunities.Andatnight,treatyoursensetoRiversofLight–anincrediblemixtureofwater,soundandlight!Item2:DazzlingNewShowsatMagicKingdomParkGetreadytowonderatOnceUponaTime,anewnightprojectionshowthatbringsCinderellaCastletolifewithprojectionsofbelovedDisneyscenesandcharacters.Inaddition,catchtheimpressiveHappilyEverAfterninthwhenitisperformedforthefirsttimeonMay12,2017.Item3:AttractiveEscapadesatEpcotBoardanancientNorwegianshipandgotothekingdomofArendelleduringaFrozenEverAfteradventure.Then,stopbytheRoyalSommerhustomeetAnnaandElsa—andmaybeevenstartawarmhug.Longingforanairadventure?Takeflightonthere-imagineSoarin’andfeelasthoughyou’reflyingabovesomeoftheearth’smostsurprisinglandmarksandlandscapes.Item4:EpicEntertainmentatDisney’sHollywoodStudiosCatchexcellentstageshowslikeBeautyandtheBeast—LiveonStage,havefunplayingvirtualgamesonToyStoryMania!,andwrapupyourdaywithStarWars:AGalacticSpectacular,alaserandspecialeffectsshowsettoaniconicmusicalscore.SeriousShopping,One-of-a-KindEateriesandWorld-ClassActsatDisneySprings.Discoverawaterfrontdestinationfilledwithmorethan150placestoshop,dineandbeentertained—includingbrandnamestores,restaurantswithrooftoproomsandtheonlyplaceintheworldtoseeCirqueduSoleilTMLaNouba.1、WhatdoItemIandItem4haveincommon?A．Diningandshopping.B．Adventureanddining.C．Shoppingandperformance.D．Shoppingandadventure.2、Wherecanvisitorsfindacastle?A．AtEpcot.B．AtMagicKingdomPark.C．AtDisney’sHollywoodStudios.D．AtDisney’sAnimalKingdomThemePark.3、HowcanvisitorsarriveatthekingdomofArendelle?A．Byair.B．Onfoot.C．Byship.D．Bytrain.25．（10分）BikesharinghavebecomepopularwordsincitiesfromCapeTowntoShanghaitoMelbourne.Planners,politiciansandmediakeepshowingofftheirbenefits:reducingpollution,congestion,travelcostsandoildependence,whileimprovingpublichealth.Bikesharingalsohelpsmakecitiesappearmodern,dynamicandworld-wide—qualitiesmuchsoughtafterbythecreativeclass.Butwhatmakesforasuccessfulpublicbike-sharingprogram?Thisisanimportantquestionbecauseinstallingonerequiressignificantpublicandprivateinvestmentandadjustmenttothebuiltenvironment.Whilemanyprogramshavebeenlaunchedamongmuchpraise,oftentheirpopularityhassoondeclined.Manyendupoperatingatafinanciallossanddependonotherprofitableenterprisestocross-subsidize(交叉补贴)them.Somehaveresultedinthrown-awaybikesbecominganeyesore.Understandingwhichfactorsenhanceorstoppublicbikesharingiscriticalinhelpingcitiesdecidewhethersuchaprogramisworkable,beforeconsideringwhatdesignandsittingwillworkbest.Drawingoncurrentknowledge,wediscusstheimportanceofthelocallandscape,climate,cyclinginfrastructure(基础设施)andlanduse.Wealsotouchonotherfactors,suchasthelegalenvironmentandthecharacteristicsofthebike-sharingprogramitself.Takenaturalenvironmentforexample.Twonaturalenvironmentfactorsareknowntoaffectparticipation:hillinessandweather.Hillinessdiscouragesbalancedbike-sharinguse,asusersavoidreturningbicyclestostationsonhilltops.Thosestationsendupbeingempty,whilestationsonflatareasareoftenfull,souserscannotfindastationtoreturntheirbikes.Asforweather,idealtemperaturerangesvarybytheclimatezone.Casestudiesshowwarmanddryweatherencouragespublicbike-sharinguse.Rainandstrongwindreducethefrequencyoftrips.However,someapproaches,suchasprovidingsheltered,shaded,orevenheatedorcooledcyclinginfrastructure,couldproveuseful.1、WhatcanweinferaboutbikesharingfromParagraph1?A．Ithasnodisadvantage.B．Itiswelcomedworldwide.C．Itcansolveeveryproblem.D．Itisthesymbolofmoderncities.2、Whatisthecurrentsituationofbike-sharingprograms?A．Manyofthemrunataloss.B．Mostofthemmakehugeprofits.C．Theyarethemostpromisingbusiness.D．Theirdevelopmentisdeterminedbypublicinvestment.3、Whydoestheauthormentionthenaturalenvironment?A．Toshowuser’sinterestinvariousnaturalenvironment.B．Toshowthedecisivefunctionofnaturalenvironment.C．Toshowthenecessityofbike-sharingprograms.D．Toshowthesignificanceofsomefactors.4、Whichofthefollowingmightincreasebike-sharinguse?A．Hilliness.B．Attractivebikes.C．Rainandstrongwind.D．Perfectcyclinginfrastructure.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）ItwasaWednesdaynight.Amiddle-agedmancameinforatoothextraction(拔牙).Hewassitting1inthewaitinghallwhenItookhisbloodpressure,whichwas2at160．Iwasalittleworriedbecausewearenotsupposedtoextractteethfrompatientswithhighbloodpressure.Understandingmy3,heexplainedthathewasjust4.Iledhimtothedentalchair,tryingtocalmhimdown.Mostpatientsarealittlenervousbeforetreatment,sowenormally5withthemtohelpthemrelax.Isaid,“Extractioncanbescary,butwewilltrytomakeitless6.”Hesaid,“No,youdon’tunderstand.”Afterawhile,he7,“Myfatherdiedofheartattacksonthedentalchair.AndlastweekIwas8withcancer.Soit’shardformeto9.”1was10.Itriedhardtosaysomethingto11him,butIfailedandsankintosilence.Thedoctorcamein.He12thepatientandstartedtotalkabouttheextraction.Thepatient,13,toldhisstory.Thedoctor14andsaid,“Okay,Isee.Letmeknowifyoudon’tfeelwellduringthe15.”Hestartedtheprocedure,constantlyaskingthepatienthowhe16.Whenwesuccessfullypulledhistooth,I17asighofrelief.Wedoctorswillmeetdifferentpatientsinour18.Sometimestheycomewith19memoriesoftreatment.Whatwecandoistotryourbesttohelpthem.Tobeadoctormeansservingpatientswitha20heart.1、A．happily B．excitedly C．anxiously D．breathlessly2、A．high B．low C．strong D．weak3、A．role B．concern C．desire D．behavior4、A．curious B．lonely C．cautious D．nervous5、A．speak B．inform C．chat D．tell6、A．effortless B．painless C．unbearable D．uncomfortable7、A．added B．explained C．thought D．evaluated8、A．diagnosed B．checked C．examined D．infected9、A．cheerup B．comein C．setout D．calmdown10、A．speechless B．noiseless C．soundless D．wordless11、A．encourage B．comfort C．motivate D．indicate12、A．welcomed B．greeted C．waved D．operated13、A．however B．therefore C．again D．thus14、A．laughed B．nodded C．shook D．realized15、A．extraction B．discussion C．treatment D．relaxation16、A．felt B．judged C．recognized D．expected17、A．blew B．sighed C．squeezed D．breathed18、A．jobs B．lives C．careers D．performances19、A．good B．hopeful C．serious D．bad20、A．kind B．heavy C．caring D．sinking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）Longjingtea,1．hastoppedthelistofthetenmostfamousteasinChinawithitscolor,tasteandshape,2．(name)afteritsproductionregion---LongjingVillageofWestLake.Thegoodenvironmentandwaterresourceshavecontributedmuchtothe3．(grow)ofthetea,confirmingthesayingthat"Longjingteaisthe4．(good)amongalloftheteasintheworld".Thanks5．EmperorQianlongoftheQingDynasty,theteahasearnedahighreputation.ThestorywentthatEmperorQianlongvisitedthemountainduringhisHangzhoutravels,andhesawsomeladiespickingtheteaat6．footofthemountain.Hewassointerestedintheirmovementsthathedecidedtohaveagohimself.While7．(pick)thetea,hereceivedthenewsofhismother'sillness,sohecarelesslyputtheleavesinhisrightsleeveand8．(leave)HangzhouforBeijing.Hevisitedhismother9．(immediate)uponhisarrivalinBeijing,andhismothersmeltthefragranceofthetealeavesfromhissleevesandwantedtohaveataste.Afterdrinkingacupoftea,shefoundherselfcompletely10．(refresh),andsheevenpraiseditasacureforallills.Fromthenon,itwaslistedasthetributetea.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短文。短文中共有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（∧），并在此符号下面写出该加的词。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。DearAlice,Iamdelightedtohearthatyouwillcometomycityforsightseeing.Iwaswritingtoyouexpressingmywillingnesstomakearrangementforyourtour.Asfortheaccommodation,Ihavetheoptionofeitherstayinginmyhomeorinahotel,thatIcanreserveforyouinadvanceifyoulike.However,I'dliketohelpyouworkatravelschedule.Intheway,couldyoudomeafavorandpurchaseaCoachpursethoughitdoesn'tbotheryou?Withmymother'sbirthdayapproached,Iwishtopresentittoherasabirthdaygift.I'mlookingforwardtomeetingyousoon.Ihopeyouwillhaveafunhere.Yourssincerely,LiHua第二节书面表达（满分25分）29．（25分）目前，我国假期选择出国旅游的人越来越多，请你以TravellingAbroad为题，用英语写一篇词数在120左右的短文，要点如下：1.出境游热的原因；2.旅游中出现了一些不文明现象，如随地吐痰、乱扔垃圾等；3.你的态度和看法。注意：1可适当增加细节以使行文连贯；2参考词汇：树立形象：upholdanimageAtpresent,moreandmorepeoplechoosetotravelabroadwhentheyhaveholidays.

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参考答案第一部分（共20小题，每小题1.5分，满分30分）1、C2、B3、A4、C5、D6、C7、B8、D9、A10、A11、B12、D13、B14、A15、A16、B17、D18、A19、B20、D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、D2、C3、B4、A22、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,universitieshavediscussedhowbesttorespondtotheuseofsmartdrugs,andsomehavesuggestedOlympic-styledopingtestsforstudentssittingexams.ProfessorGoodwinsaidthereshouldbea