2025屆浙江省三校高三模擬（5月）英語試題含解析

2025屆浙江省三校高三模擬（5月）英語試題注意事項：1．答卷前，考生務必將自己的姓名、準考證號、考場號和座位號填寫在試題卷和答題卡上。用2B鉛筆將試卷類型（B）填涂在答題卡相應位置上。將條形碼粘貼在答題卡右上角"條形碼粘貼處"。2．作答選擇題時，選出每小題答案后，用2B鉛筆把答題卡上對應題目選項的答案信息點涂黑；如需改動，用橡皮擦干凈后，再選涂其他答案。答案不能答在試題卷上。3．非選擇題必須用黑色字跡的鋼筆或簽字筆作答，答案必須寫在答題卡各題目指定區(qū)域內(nèi)相應位置上；如需改動，先劃掉原來的答案，然后再寫上新答案；不準使用鉛筆和涂改液。不按以上要求作答無效。4．考生必須保證答題卡的整潔?？荚嚱Y(jié)束后，請將本試卷和答題卡一并交回。第一部分（共20小題，每小題1.5分，滿分30分）1．Inthestudents’eyes,MrsSmithisamothermorethanateacher.shetreatsthestudentsjustlikeherownchildren.A．AsaresultB．InotherwordsC．WhatismoreD．Firstofall2．Iwasillthatday,otherwiseI_______thesportsmeet.A．tookpartin B．wouldhavetakenpartinC．hadtakenpartin D．wouldtakepartin3．Youngcoupleswillbehappytoseetheirbabies_______withgoodhealthandintelligencewhentheyareborn.A．tobless B．blessingC．blessed D．beingblessed4．Jimtoldusallthat_______hesaidsoatthemeetingwasright.A．a(chǎn)ll B．whatC．a(chǎn)llthat D．that5．Agoodsuitcaseisessentialforsomeonewhois

______

asmuchasJackieis.A．ontheriseB．onthelineC．onthespotD．ontherun6．Whentension________inarelationshipbetweentwopeople,afrequentwayofdealingwiththisistosendmessagesthroughathirdperson.A．a(chǎn)rouses B．a(chǎn)rises C．rises D．raises7．Aftersevenhours’drive,theyreached______theythoughtwastheplacetheyhadbeendreamingof.A．that B．whatC．where D．which8．Itgivesusgreatdelight______Chinesesciencefictionsarebecomingincreasinglypopular.A．how B．whatC．that D．why9．Heworksveryhardinordertogethimself______intoakeyuniversity.A．a(chǎn)ccepted B．received C．a(chǎn)nnounced D．a(chǎn)dmitted10．I’mtiredout．Istayedupthewholenight,______formymidtermmathexam．A．studying B．tostudy C．tobestudying D．studied11．—Whatashame!Wemisunderstoodeachotherforsuchalongtime.—Yes,IwishI_____withyouearlier.A．communicate B．hadcommunicatedC．communicated D．wouldcommunicate12．PhysicallychallengedasJackwas,hedidnot________himselftohisfate.A．resistB．reserveC．resignD．rescue13．Ifshe________generousasshemakesoutshewouldhavedonatedmoremoneyinthecatastrophe.A．hadbeen B．wereC．wouldbe D．was14．ChinesePresidentHuJintaocalledforanimmediatecease-fireinLibya_____anevenworsehumanitariancrisisinthecountryattheBRICSSummitinHainanProvince.A．toprevent B．tohaveprevented C．preventing D．havingprevented15．Notuntilhewentabroadtofurtherhisstudy_______theimportanceofEnglish.A．hashefoundB．hehasfoundC．didhefindD．hehadfound16．Maybeitistimefortherestofsocietyto_________thefact_________Imaynotbeabletowalk,therearemanyothergreatthingsIcando.A．a(chǎn)djustto;thatB．getusedto;thatwhileC．a(chǎn)daptto;whileD．goabout;thatwhile17．—Tom,doyouenjoyyourpresentjob?—________.Ijustdoitforaliving.A．OfcourseB．NotreallyC．NotlikelyD．That’sallright18．________leftthedoorunlockedmustbeheldresponsiblefortheaccident.A．Whomever B．WhoeverC．Whatever D．Whenever19．Mankindmustfirstofalleat,drink,haveshelterandclothing________itcanpursuepolitics,science,artandreligion.A．until B．unlessC．before D．since20．StarskaterWuDajingwonChina’sfirstgoldmedalatthe2018PyeongChangOlympicWinterGamesbreakingworldrecordinshorttrackmen’s500m.A．toB．byC．withD．in第二部分閱讀理解（滿分40分）閱讀下列短文，從每題所給的A、B、C、D四個選項中，選出最佳選項。21．（6分）Soapingupyourhandsmaydomorethanjustgetridofgerms.Itmaywashawaytheinnerconfusionyoufeelrightafterbeingforcedtomakeachoicebetweentwoappealingchoices,accordingtoanewstudy.Thestudybuildsonpastresearchintoaphenomenonknownas“theMacbetheffect”.ItturnsoutthatShakespearewasreallyontosomethingwhenheimaginedladyMacbethtryingtocleanherconscience（良心）byrubbinginvisiblebloodstainsfromherhands.Afewyearsago,scientistsaskedpeopletodescribeapastwrongact.Ifpeoplewerethengivenachancetocleantheirhands,theylaterexpressedlessguiltthanpeoplewhohadn’tcleaned.ThisfindingfascinatedW.S.Lee,aresearcher.“Anythingfromthepast,anykindofnegativeemotionalexperiences,mightbewashedaway,”saysLee.Hedecidedtotesthandwashing’seffectononekindofbadfeeling:thetensionwefeelafterbeingforcedtochoosebetweentwoattractivechoices,becausepickingonechoicemakesusfeelthatwe’velosetheother.Peopleusuallytrytocalmthisinnerconflictbylaterexaggerating（夸大）thepositiveaspectsoftheirchoice.Hehadstudentsrank10differentmusicCDs.ThenheofferedstudentsoneCDasagift.Somestudentsthenuseliquidsoap.Othersonlylookedatthesoaporsniffed（嗅）it.“Actually,youdonotneedwaterandsoap,”saysLee.Later,thestudentsagainhadtorankallthemusic.Peoplewhodidn’twashtheirhandshadthenormalresponse—theyscoredtheirtake-homeCDhigher,suggestingthattheynowsawitasevenmoreattractivethanbefore.Butthiswasn’ttrueforthehandwashers.Theyrankedthemusicaboutthesame.“theyfeelnoneedatalltojustifythechoice,”sayLee.Buttheimplicationsofitjustaren’tclear.Schwarzsaysit’stoosoontoknowwhetherpeopleshouldheadforasinkaftermakingatoughchoice.Hesayswashingmayhelpdecision-makersbycleaningawaymentaldisorder,butperhapsiftheydon’tgothroughtheusualpost-decisionprocessofjustifyingtheirchoice,theymightfeelmoresorrowinthelongrun.1、TheMacbetheffectreferstothefactthat________.A．ShakespearedidscientificresearchbeforewritingMacbethB．soapingupone’shandmayhelpwashawaytheinnerconfusionandmakeadecisionC．peoplefeellessguiltybygettingridofinvisiblegermsfromtheirhandsD．peoplefeellessashamedafterwashingtheirhands2、AccordingtoLee,afterpeoplemakethechoice________.A．theywilloverstatethegoodnessoftheirchosenchoiceB．theywillfeelregretfulfornotchoosinganotherC．theywillfeelfreeduetothefeelingoflosingtheotherchoiceD．theywillthinknothingoftheirchosenchoiceanymoretocalmtheirinnerconflict3、AccordingtoLee,thehandwashersconsiderthejudgmentofchoice________.A．morescientificB．unnecessaryC．a(chǎn)littleconvincingD．a(chǎn)bsolutelyuseless4、WhatdoesSchwarzneedtoresearchmore?A．Whetherpeopleneedtojustifytheirchoice.B．Whetherpeoplefeelmoresorrowafterwashinghands.C．Whetherwashinghandshelpoveralongperiodoftime.D．Whetherwashinghandsishelpfultomakeachoice.5、Whatmightbethemostsuitabletitleforthepassage?A．IsWashingHandsNecessarytoDefeatTension?B．WashingHands,WashesOurMindC．WashingHands,HelpsMakeaBetterChoiceD．WashingHands,ReducestheStressofDecision22．（8分）Attheageofseven,whilehisfriendswerespendingtheirallowancesonthingslikecandyandtoys,JoseAdolfoQuisocolawasbusysavingmoneyforbasicpurchases.Totrytogethispeers（同齡人）todothesame,theboyfromPerucameupwiththeideaofaneco-bank,theBartselanaStudentBank,whichallowskidsofallagestobecomefinanciallyindependentwhilealsohelpingtheenvironment.Setupin2012,thebankistheworld’sfirstbankforkids.Tobecomeamember,akidhastobringinatleast5kilogramsofsolidwasteandsetasavingsgoal.Onceaccepted,allbank“partners”arerequiredtodepositatleastoneadditionalkilogramofrecyclablesonamonthlybasisandobserveotherrequirements,suchasattendingfinancialeducationandenvironmentalmanagementworkshops.Thewasteaccumulatedissoldtolocalrecyclingcompanies,who,thankstoJose’sefforts,payahigher-than-marketrateforeverythingbroughtinbythebankmembers.Themoneyreceivedisplacedinthepersonalaccountwheretheycollectuntilthesavingsgoalisreached.Theaccountholdercanthenwithdrawthemoney,orchoosetoleaveitandcontinuetogrowforabiggertarget.“Atthebeginning,myteachersthoughtIwascrazyorthatachildcouldnotundertakethistypeofproject,”Joserecalls,“Theydidnotunderstandthatwearenotthefutureofthecountrybutitspresent.Luckily,Ihadthesupportoftheschoolheadmasterandanassistantinmyclass.”Theboy’seffortspaidoff,andby2013,thebankhadover200members,whobroughtinonetonofrecyclablewaste.Today,theeco-bank,whichnowhasthesupportofseverallocalinstitutions,boaststeneducationalcenters.Theyaredesignedtoteachtheover3,000students,aged10to18,tobecomefinanciallyindependent,usetheirmoneywisely,andhelptheenvironment.Notsurprisingly,Jose’seffortshaveearnedhimseveralnationalandinternationalawards.OnNovember20,2018,JosewonChildren’sClimatePrize,whichcomeswithamedaland$5,500inprizemoneyandisgiventoachildoryouthwhohasaccomplishedanextraordinaryachievementfortheclimateorenvironment.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.23．（8分）Discovery’sastronautsarrivedtoanexcitingcelebrationWednesdayasnearly700peoplecrowdedanairplanestorageplace,wavingflagsandholdingsignsthatread:“WelcomeHome,Astronauts!”Theseven-personteamreturnedtoEarthonTuesdayafterbeingthefirsttotakeaspaceshuttleintoorbitsincetheColumbiadisaster(災難)of2003.“Inthelasttwoandahalfyears,wehavebeenthroughtheveryworstthatmannedspaceflightcanbringus,andoverthepasttwoweekswehaveseentheverybest,”NASAAdministratorMichaelGriffintoldtheastronautsandtheirfamiliesandfansWednesday.ThecrowdwavedAmericanflagsfortheU.S.astronautsandJapaneseflagsforcrewmemberSoichiNoguchi,oneofthespacewalkers.“Asarookie（新手）astronaut,Icouldnotaskformore,”Noguchisaid,“Wehadthreespacewalks,twoextradaysinspaceandonegreatteam.”Whilethehomecominghasbeenfilledwithexcitementforwhatmissioncontrollersdeclareda“trulyspectaculartestflight”,uncertaintyremainsforthefutureoftheshuttleprogram.ShortlyafterDiscoveryroseupintospaceJuly26,anearly1-poundlargepieceoffoaminsulation（泡沫絕緣材料）fellfromthefueltank—theverythingthatwassupposedtohavebeenfixedafterColumbiaexploded.ThefoammissedDiscovery,butNASAgroundedallshuttleflightsuntilengineersfixtheproblem.NASAgroundcrewsexaminedDiscoveryafteritsreturnfromorbitandfounditingoodcondition,anofficialsaidWednesdayatNASA’sDrydenFlightResearchCenteratEdwardsAirForceBaseinCalifornia.Technicianscounted101dingsanddivots,including20thatwerelargerthan1inch.SchaafDean,landingsupportgroupchief,saidthenumbersweresimilartotheresultsofothershuttle,post-landingexaminations.Abeginningexaminationoftheshuttle’sthermal（熱的）blanketshoweditremainedundamagedduringre-en-tryintotheEarth’sair.(Agencies)1、Thesevenastronauts________.A．a(chǎn)rethefirsttotakeaspaceshuttleintoorbitB．tooktheColumbiaintospaceC．returnedtoearthsafelyD．a(chǎn)reAmericans2、Accordingtothetext,theNASAofficialsthink________.A．theflightofDiscoveryisafailureB．mannedspaceflighthasbeenthroughthebestinthepastC．theflightofDiscoveryisasuccessD．theastronautsarenationalheroes3、WhentheDiscoverytookoff,________.A．thefueltankburnedB．a(chǎn)pieceoffoaminsulationfellC．thesafetybeltisnotfixedD．itknockedintotheColumbia4、Theunderlinedword“grounded”means________.A．(ofaboat)hitthebottomofaseaandbeunabletomoveB．tocauseaboattohitthebottomofaseaorlakeC．topreventaplaneorpersonfromflyingD．tobebasedonsomething24．（8分）NewYorkCityTourGuideCENTRALPARKPHOTOTOUR$79WithSamL.CometoshootintheCentralParkofNewYorkthatwillallowyoutotakehomedigitalpostcards.ThistourisagreatintroductiontoCentralParkandcombinesviewsofthebridges,lakesandskyline.Ateachstopofthephototour,Iwillprovideyouwithexplanationsaroundphotography（攝影）,camerasettings,etc.Youwillbeabletoputthesetipstogooduseimmediately.NEWYORKRUNMNGTOUR$50WithSebastienB．Loverunning?LoveNewYork?Doyouwanttoseethesitesofthecity?Contactmeandwe'lltakeaspecialtour.Allyou'llneedtodoistoputonyoursportsshoesandwe'llbeoff.I'llshowyoumyfavoriterunningspotsalongtheHudsonRiverornorthofCentralParkandawayfromallthetourists.Ifyou'rethinkingoftrainingforsomething,I’llgiveyoutheexplanationsandtipstomakethebestofyourtimetraining!GREENWICHVILLAGEFOODTOUR$75WithManhattanW.Discoverunbelievableplacestoeat.ThisistherealGreenwichVillagegastronomic（美食的）experience.Alongtheway,findouthowthevillagehaskeptitsuniquecharacterthroughouttheyears,fromtheDutchandEnglishcontrolledperiodstotoday.Tourrunseverydayfrom12:30PM-2:30PM.NEWYORKBYNIGHTPHOTOTOUR$115WithSamL.WehavealreadypreparedNYCforthemostuniquepointsforyou.Duringthe21Thenighttourteachesnightphotographytechniqueswhilediscoveringthe"darker"sideofthecitythatneversleeps:theUNheadquarters,42ndstreet,GrandCentralTerminal,theChryslerBuilding,RockefellerCenterandRadioCityMusicHall.1、WhowillyoucontactifyouwanttotakepicturesoftheCentralPark?A．SamL.B．SebastienB．C．ManhattanW.D．Rockefeller.2、HowmuchcanyouspendrunningalongtheHudsonRiverwithSebastienB?A．$79.B．$50.C．$75.D．$115.3、WhatcanyoudoifyouchooseManhattanWasyourtourguide?A．Youcanshootsomepictures.B．Youcandosomesports.C．Youcanenjoysomedeliciousfood.D．Youcanlearnnightphotographytechniques.4、Inwhichpartofamagazinecanyoureadthiskindofpassage?A．Advertisement.B．History.C．Science.D．Politics.25．（10分）WinnersClubYouchoosetobeawinner!TheWinnersClubisabankaccountspeciallydesignedforteenagers.Ithasbeenmadetohelpyoubettermanageyourmoney.TheWinnersClubisatransactionaccount(交易賬戶)whereyoureceiveakey-cardsoyoucangettoyourmoney24/7—that’s24hoursaday,7daysaweek!It’saclubwithimpressivefeaturesforteenagers:Noaccountkeepingfees!You’renomillionairesowedon’texpectyoutopaylargefees.Infact,therearenoaccountkeepingortransactionfees!Excellentinterestrates!Youwantyourmoneytogrow.TheWinnersClubhasagoodrateofinterestwhichgetsevenbetterifyoumakeatleasttwodeposits(儲蓄)withouttakingthemoutinamonth.Convenient!Teenagersarebusy-wegetthat,Youmayneverneedtocometoabankatall.WiththeWinnersClubyoucanchoosetousehandytellersandtobankfromhomeusingthephoneandtheInternet…YoucanhavemoneydirectlydepositedintoyourWinnersClubaccount.Thiscouldbeyourpocketmoneyoryourpayfromyourpart-timejob!Megamagazineincluded!Alongwithyourregularreport,youwillreceiveaFREEmagazinefullofgoodideastomakeevenmoreofyourmoney.TherearealsofantasticoffersandcompetitionsonlyforWinnersClubmembers.TheWinnersClubisagreatchoiceforteenagers.Anditissoeasytojoin.Simplyfillinanapplicationform.Youwillhavetogetpermissionfromyourparentorguardian(sowecanorganizethatcoolkey-card)butitiseasy.Wecanstwaittohearfromyou.Ifsthebestwaytochoosetobeawinner!1、WhichofthefollowingisTRUEabouttheWinnersClub?A．Specialgiftsarereadyforparents,B．Thebankopensonlyonworkdays,C．Servicesareconvenientforitsmembers.D．Feesarenecessaryfortheaccountkeeping.2、IfyouwanttobeamemberoftheClubsyoumust.A．beanInternetuserB．bepermittedbyyourparentC．make2depositspermonthD．participateintheclubcompetitions3、Whatisthepurposeofthistext?A．Tosetupaclub.B．Toprovidepart-timejobs.C．Toorganizekey-cards.D．Tointroduceanewbankingservice.第三部分語言知識運用（共兩節(jié)）第一節(jié)（每小題1.5分，滿分30分）閱讀下面短文，從短文后各題所給的A、B、C和D四個選項中，選出可以填入空白處的最佳選項．26．（30分）Iwassittinginthesurgicalwaitingareaatthehospitalwaitingforwordofmywife'soperation.Thesmallroomwasfilledwithotherfamiliesandfriends,whowere___36___waitingtohearhowtheirlovedonesweredoing.Therewasayoungboysittingquietlyinthe___37___.Heheldasmallboxof___38___inonehandandatablet(寫字板)intheother.Everysooftenhe'dplacethetabletonhislapanddrawsomething.AsthehourspassedIbegantoseetheroomalmost___39___.Andtherewasastrangesilence."Daddy,whenisMommygoinghome?"theyoungboyasked,breakingthe___40___."Tomorrow."hisfatherreplied.Theboypickeduphiscrayonsand___41___somethingonthetablet.I___42___himashemovedhisfeetbackandforth,lookingupattheceilingandthentowardthesunshine-filledwindow."When's___43___,Daddy?"heasked.Hisfather___44___himovertositbyhim."Come,___45___herenexttome,"hesaidwithagentletoneinhisvoice.___46___histhings,thelittleboywalkedslowlytohisfather'ssidefromthecorner.Theman___47___outandheldhissonbyhisshoulder."Therearethreedaysinlife.Yesterday,todayandtomorrow.Oneisoveranddone,onewelivein,theotherwe___48___.Wecan'tliveinyesterday,butifwearehappyenoughtoday,wewillbeevenhappiertomorrow,"hesaidinanattemptto___49___theboy.Thelittleboylookedathimforamomentandsaid,"IfMommyisgoinghometomorrow,I'llbe___50___.So,Iwantittobetomorrowalready,Daddy."Nowhangingoneverywordofthis___51___,Ileanedforwardtohearhisresponse.Itwas___52___."Son,theonegreatthingabouttodayisonceit___53___,itisalreadyalmosttomorrow."Ithoughtabouthow___54___itwas.Eveninmyadultlife,Istilllivewaitingforwhattomorrowmay___55___.NowIknowthatitisalready"almosttomorrow".1、A．eagerly B．patiently C．happily D．curiously2、A．chair B．corner C．distance D．shadow3、A．gifts B．toys C．chalks D．crayons4、A．dark B．full C．empty D．clean5、A．promise B．rule C．record D．silence6、A．wrote B．drew C．printed D．carved7、A．followed B．found C．watched D．caught8、A．today B．yesterday C．future D．tomorrow9、A．knocked B．ordered C．called D．pulled10、A．stand B．sit C．lie D．sleep11、A．gathering B．forgetting C．saving D．choosing12、A．got B．took C．set D．reached13、A．spend B．waste C．kill D．expect14、A．frighten B．satisfy C．persuade D．warn15、A．happier B．calmer C．smarter D．sadder16、A．story B．a(chǎn)rgument C．conversation D．discussion17、A．humorous B．silly C．positive D．perfect18、A．ends B．starts C．passes D．lasts19、A．meaningful B．important C．interesting D．fantastic20、A．happen B．come C．bring D．need第二節(jié)（每小題1.5分，滿分15分）閱讀下面材料，在空白處填入1個適當?shù)膯卧~或括號內(nèi)單詞的正確形式。27．（15分）LotsoffamiliesliketogatheraroundatablefulloffoodandgivethanksfortheblessingstheyhaveatThanksgiving,1．myfamilyoftenspreadtheblessingstoothersnotonlyonThanksgivingbutforeveryholidayIalwaysrememberthatpeopleIdidn’tknowshowedupatThanksgiving,ChristmasandevenanyholidaywhenIwasyoung!Ilateronlearned2．isatraditionmyfamilystartedyearsagoEveryholidaymyparentsalwaysinvitesomeonewhodoesn’thavesomewheretogoandsomeonewhoare3．(little)fortunatethanustoourhomeSometimeswehavetonsofpeopleandsometimesnottoomanyOurtraditionincludestakingpicturesandenjoyingsomewonderfulfoodthatwas4．(prepare)inadvance!AtThanksgivingyesterdayweinvitedaneighborwhodidn’thaveanywheretogo5．(come)tomyfamily’sThanksgivingHe6．(happy)agreedBeforeweatewestoodinabigcircle7．(hold)handsandsaidasmallprayerThenweeachsaidsomethingwewerethankful8．Whenitcameformyneighbor’sturn,hechokedupandsaid,“9．(amaze),Icanshareawarmmealwithotherpeopleonthisspecialday”Whenheleftandwenthomemyneighbortoldme,“Whatyoudiddidmake10．greatdifferencetomeIhaven’tfeltthiswelcomedandgoodinmanyyears,thankyouforthisblessing”第四部分寫作（共兩節(jié)）第一節(jié)短文改錯（滿分10分）28．（10分）假定英語課上老師要求同桌之間交換修改作文，請你修改你同桌寫的以下作文。文中共有10處語言錯誤，每句最多有兩處。錯誤涉及一個單詞的增加、刪除或修改。增加：在缺詞處加一個漏字符號（∧），并在其下面寫出該加的詞。刪除：把多余的詞用斜線（＼）劃掉。修改：在錯的詞下劃一橫線，并在該詞下面寫出修改后的詞。注意：1.每處錯誤及其修改均僅限一詞。2.只允許修改10處，多者（從第11處起）不計分。Theseday,peoplebreaktrafficrulesandlitteredeverywhere.Itdoesseriousharmwithourlife.Ithinkpeopleshouldmakeaefforttochangethissituation.Asforhim,Iwillbeartrafficrulesinmind.IfIrideabike,I’llnevercrossaroaduntilthetrafficlightturngreen.IfIwalk,Iwillforgettousethezebracrossing.Meanwhile,Iwillmakeitasmydutytohelpkeepourenvironmentcleanorhealthy.Iwillhelpcleanuptheroadsidelitterwheneverpossibly.Ihopemybehaviorwillmakeadifference.第二節(jié)書面表達（滿分25分）29．（25分）假如