2023年上海市上南中學(xué)高三第二次模擬考試英語試卷（含答案解析）

2023高考英語模擬試卷注意事項(xiàng)：1．答卷前，考生務(wù)必將自己的姓名、準(zhǔn)考證號填寫在答題卡上。2．回答選擇題時(shí)，選出每小題答案后，用鉛筆把答題卡上對應(yīng)題目的答案標(biāo)號涂黑，如需改動，用橡皮擦干凈后，再選涂其它答案標(biāo)號?；卮鸱沁x擇題時(shí)，將答案寫在答題卡上，寫在本試卷上無效。3．考試結(jié)束后，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．Jimtoldusallthat_______hesaidsoatthemeetingwasright.A．a(chǎn)ll B．whatC．a(chǎn)llthat D．that2．Why________youchoosetoworkinaremotevillageschoolwhenyoucanownarespectablejobinacity?A．need B．shouldC．must D．will3．---Areyousatisfiedwithhisschoolreport?---Notatall.Itcouldn’thavebeen______.A．worseB．sobadC．betterD．theworst4．Localslivedinrather________conditionsuntilthefoundingofthePeople’sRepublicofChinain1949.A．precious B．primitiveC．precise D．prior5．Don’ttospring-cleanthewholehousejustbecausemymotheriscoming—there’snoneedtodothat.A．undertake B．a(chǎn)ttemptC．bother D．hesitate6．---Let'swalktothatvillagetogether.---__________.Howcanwetwogirlsdothatinthedark？A．Iagreewithyou. B．That'sagoodpoint.C．Youmustbejoking！ D．That'snotyouropinion！7．_____thelawyers,volunteersfromtheLibyanRedCrossSocietyalsojoinedtheeffortsinhelpingtheChinesegohomesafely.A．Exceptfor B．Inspiteof C．Apartfrom D．Insteadof8．Theprofessor_____abouthowtoprotecttheendangeredanimalintheconferenceatthistimetomorrow.A．talkedB．talksC．hasbeentalkingD．willbetalking9．—WhorecommendedNancyforthepost?—ItwasJames______admirationforherwasobvious.A．who B．that C．whose D．whom10．Youshouldsetagoalandsee________youcanachieveitinthecomingexam.A．which B．whatC．whether D．when11．---DoyouthinkIshouldjointhesinginggroup,Mary?---______IfIwereinyourshoes,Icertainlywould.A．Noneofyourbusiness．B．Itdepends.C．Whynot?D．Idon’tthinkso.12．—Hi!John,wouldyouliketoplayfootballwithus?—Oh，Ican’t.I___mylessonallthemorningandstillneedhalfanhour.A．a(chǎn)mreviewing B．havebeenreviewingC．havereviewed D．reviewed13．—Howcouldtheymisunderstandmelikethat?—Justkeepsilent!It’sthebestwaytoletthemknowtheyyouwrong.A．do B．didC．a(chǎn)redoing D．haddone14．---DidyouwatchthefinalmatchofChinaOpenyesterday?---Sure.IitsoattentivelythatIforgottocooksupper.A．watchedB．hadwatchedC．waswatchingD．wastowatch15．DimashappearedonthestageofSinger2017,hisvoiceinstantlywonheartsofChineseaudience.A．AslongasB．AssoonasC．NowthatD．Eversince16．Scientistshavemanytheoriesabouthowtheuniverseintobeing.A．came B．wascoming C．hadcome D．wouldcome17．Idon’tthinkshevisitedtheexhibitionthismorning,______shewaswithmeatthattime.A．thoughB．orC．butD．for18．Whenshewasintrouble,IdidwhatIcouldtohelpher．__________myhelp,shewrotemealetterofthanks．A．Inhonorof B．Incaseof C．Intermsof D．Inreturnfor19．Iwonder________theequipmentwillbeavailableintendays.A．that B．when C．whether D．where20．----CanIparkmycarhere?----Surenot,wedon’tallowhere.A．toparking B．park C．topark D．parking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(gè)選項(xiàng)中，選出最佳選項(xiàng)。21．（6分）Wearingarednoseforadaymayseemlikeastrangewaytoraisemoneyforcharity.However,itseemstoworkinBritain.RedNoseDay(RND)isawell-knowneventintheUK.TheaimofthedayistoraisemoneyforacharitycalledComicReliefwhichhelpspeopleinneedinAfricaandintheUK.ComicReliefwasstartedin1985byRichardCurtis.Hewrotetheseries“Blackadder”aswellasthefamousfilms“FourWeddingsandaFuneral”and“NottingHill’’.Richard’sideatostartComicReliefwasasaresponsetotheseverelackoffoodinEthiopia.It’scalledRedNoseDayasonthisdaymanypeoplebuyaplasticrednosetowear!Themoneymadefromsellingrednosesgoestothecharity.RedNoseDaytakesplaceeverytwoyearsinthespringandisnowsowelldevelopedthatmanypeopleconsiderittobeanunofficialnationalholiday.Forexample,manyschoolshavenon-uniformdays.ThesloganforthelastRNDwas“DoSomethingFunnyforMoney”andthemoneycollectedwasusedtohelpfundprojectsinthefollowingareas:treatingmalaria,education,maternalhealthandmentalhealth.TheBBCRedNoseDaytelethonraised￡74.3million!Money-raisingeventstakeplacealloverthecountryandmanyschoolsjoinin.Peoplealsodonatemoneybypost,inbanks,byphoneusingacreditcardandonline.GettingsponsoredtodosomethingisacommonwaytoraisemoneyonRND．Ifsomeonesponsorsyouitmeansthattheyagreetogiveyouacertainamountofmoneyforyouractions.Herearesomewaysthatpeopleraisemoney:weartheirpyjamas(睡衣)alldayatworkorinschool,orgrowamoustacheorbeardforamonth.So,ifyouareeverintheUKonRedNoseDay,nowyouknowwhyyoumayfindnormalpeoplewearingrednosesanddoingsillythings!Itisallforagoodcause!1、ThepurposeofComicReliefis.A．tocelebrateRedNoseDayB．tohelpthoseinneedinAfricaandBritainC．towarnpeopleagainstsomediseasesD．toraisemoneyforMr.Curtis’sfilms2、RedNoseDaygotitsnamemainlyfromits.A．creatorB．birthplaceC．a(chǎn)idreceiversD．productsforsale3、WhichofthefollowingisTRUEaboutRedNoseDay?A．Itiscelebratedinthespringeveryotheryear.B．Peoplecelebratethisdaytobringhappinesstoothers.C．RichardCurtis,thefamouswriter,startedRedNoseDay.D．Somepeopleraisemoneybygrowingabeardforaweek.4、Paragraph4ismainlytoshowthatinBritainRND.A．isconsideredanofficialholidayB．lastsforalongtimeC．ispopularwithpeopleD．iswelldesignedforTV22．（8分）Iwasgettingreadytogotobedwhenthephonerang.Thiscouldnotbegood.Mymindracedthroughthelistoffamilymemberswhomightneedhelp,butthevoicewashardlyfamiliar.“Linda,thisisLesley.”Ididn’tknowLesleywell.Wedidoccasionallyspeakwitheachother,buttosaywewerefriendswasnotappropriate.Iaskedwhatsheneeded.Perhapssomethingreallyawfulcausedhertoreachsomeoneshebarelyknew.Instead,sheaskedme,“Doyouhaveroomforaturkey?Inyourfreezer?”Wehadlotsofroominourfreezer,andinfact,toomuch.“Sure,”Iresponded,“didyourfreezerbreakdown?”“Notexactly,”Lesleyreplied,“butIwillexplainwhenIarrive.”Minuteslatercameahugefreezertruck.Lesleysteppeddownandexplainedthelease(租約)ofthegrocerystoreherhusbandservicedhadrunoutandthattheyhadtoemptyallthefreezersthatnight.Thinkingitwasashametothrowawayallthisgoodfood,theydecidedtodropofffoodtoanyoneshecouldthinkof.Noticingourfreezerwasprettyempty,Lesleyaskedtofillitup.Ourhomewastheirlaststopandanythingleftwouldhavetobeputinourfreezer.Anhourlater,everythingfinished,Iaskedher,“Whenwillyoucomebackforallthis?”Lesleylaughed,“Wedon’twantitback.Itisyours!Thanksforhelpingusout!”Thentheywavedgoodbyeanddroveaway.“Forhelpingthemout?”Weopenedourfreezerdoor.Insidewereallexpensivefoodsweneverboughtbutoftenlongedtotry.Wewerestrugglingtobuygroceries,yetitwasnotsomethingwesharedwithanyone.However,ourneedsweremetinanunexpectedwaybythatcall.1、Howdidthewriterfeelwhensheheardthephoneringing?A．Relieved. B．Anxious.C．Shocked. D．Angry.2、WhatdoestheauthorindicatebytheunderlinedsentenceinPara.2?A．Theywereshortoffoodsupplies.B．Theirfreezerwasnotfrequentlyused.C．Theyweregladtoputtheturkeyinthefreezer.D．Theirfreezerwastoosmalltofillmuchfoodin.3、WhydidLesleycallupthewriter?A．Becausethewriterwashergoodfriend.B．Becausesomethingawfulhadhappened.C．Becausesheknewthewriterwasinneed.D．Becauseshedidn’twantfoodtogotowaste.4、Whatcanbethebesttitleforthetext?A．WhoIsMyAngel? B．UnexpectedBargainsC．AFriendonSpeakingTerms D．DoYouHaveRoomforaTurkey?23．（8分）DryIceisauniquesubstancewhichhasmanyuses.Essentially,dryiceisfrozenCO2.ThefirstreportofwhatwenowcalldryicecamefromtheFrenchchemistCharlesThilorierin1834.In324,theDryleeCorporationofAmericanamedthesolidformofCO2as"DryIce",whichiswhatitispopularlycalledtoday.Atnormalatmosphericpressure,CO2changesdirectlyfromsolidtogas.Itskipstheliquidphase（階段）whichmakesregularicewet.FrozenCO2isalsomuchcolderthanregularice.Butregularicefreezesat32degreesFahrenheit,CO2changesfromgastosolidat-21.3degreesFahrenheit.Thisextremelycoldtemperaturemakesitverydangeroustohandlewithbarehands.Itcancausefrostbiteinaveryshortperiodoftime.Dryicehasbeenusedforavarietyofpurposesthroughoutthepastcentury.Itsprimaryuseistorefrigeratefoodwhenelectricalrefrigerationisn'tavailable.Throughtheprocessofsublimation(whenCO2changesfromsolidtogas),itcanmaintaincoldfoodforalongtime.Ifyou'veeverbeentoaplayandseenheavyfogontheground,itislikelythatyouhaveseendryiceinaction.ThiseffectcanbeachievedbecauseCO2isheavierthanair,soevaporated（揮發(fā)的）CO2willsinkandaccumulateontheground.Anotherinterestinguseforthissubstanceistobait（誘殺）insectslikemosquitoes.TheseinsectshavesensorswhichguidethemtoCO2.TheyfindthehighconcentrationofCO2indryicequiteattractive.Marshaslongbeenamysteryforhumanbeings.WehavebeenlookingforevidenceoflifeonMars.Inthe360sscientistsguessedthatthepolaricecapofMarswasmadeoffrozenCO2.MorerecentobservationshaveshownthatwhilethetopmostlayerconsistsoffrozenCO2,themostofitisprobablyregularfrozenwater.1、FrozenCO2getsitsnameof"DryIce"mainlybecauseA．itisveryeasytomakeitdryB．wecan'tmeltitanditdoesn'tgetwetC．itlookslikeiceatalowtemperatureD．itissolidlikeiceat-21.3degreesFahrenheit2、Theunderlinedword"frostbite"inthesecondparagraphprobablymeansA．theshakescausedbycoldB．damagecausedbyfreezingC．a(chǎn)fevercausedbybeingcoldD．a(chǎn)sharppaincausedbybums3、Accordingtothepassage,dryicecanbeusedtoA．freezemostoffoodinthenextcenturyB．increasetheproductionoffarmingC．makeavividfogeffectonstagesD．helptoimprovetheenvironment4、Whatdoesthelastparagraphmainlytellus?A．DryiceonMarsisnearthepolar.B．NotmuchdryicehasbeenfoundonMars.C．ThepolaricecapofMarsisunique.D．NofrozenCO,onMarscanbemelt.24．（8分）TimeTravelIfyoucouldtravelintime,wherewouldyougo?PerhapsyouwouldwatchanoriginalperformanceofaShakespeare’splayinElizabethanEngland?WhatabouthangingoutwithLaoziintheSpringandAutumnPeriod?Ormaybeyou'dvoyagefaraheadofthepresentdaytoseewhatthefutureholds.Thepossibilityoftimetravelisindeedappealing.Storiesexploringthesubjecthavebeenaroundforhundredsofyears.Perhapsthebestknownexampleissciencefictionnovel.TheTimeMachine,whichwaswrittenbyH.G.Wellsandpublishedin1895forthefirsttime.Itwasadaptedintoatleasttwofeaturefilmsofthesamename,aswellastwotelevisionversions,andalargenumberofcomicbookadaptations.Itisgenerallycreditedwiththepopularizationoftheconceptoftimetravelusingavehiclethatallowsanoperatortotravelpurposefullyandselectively.Theterm"timemachine",coinedbyWells,isnowuniversallyusedtorefertoavehicletransportingpeopleintothefarfuture.Butcouldtimetravelactuallybepossible?Somescientistssayyes,intheory.Theyproposeusingcracksintimeandspacecalled“wormholes”,whichcouldbeusedasshortcutstootherperiods.Einstein’stheoryofrelativityallowstimetravelinextremecircumstances.AndBritishphysicistStephenHawkingsaysyoucouldtravelintothefuturewithareallyfastspaceshipgoingatnearlythespeedoflight.Thoughbuildingsuchaspaceshipwouldofcoursebenosimpletask.Evenifyoucouldtravelintothepast,thereissomethingcalledthe“grandfatherparadox”.Itaskswhatwouldhappenifatimetravelerweretogobackintimeandhavehisowngrandfatherkilledforsomereason,andthereforepreventhimselffrombeingborn.Ifthetimetravelerwasn’tborn,howwouldhetravelbackintime?Andwouldyoureallyliketovisitthefuture?InH.G.Wells’book,themaincharactertravelsintodistanttimewherehearrivesatabeachandisattackedbygiantcrabs.Hethenvoyages2millionyearsintothefuturewheretheonlylivingthingisablackobjectwithtentacles(觸角).Ifthat’swhat’sinstore,maybewearebetterjustlivinginthepresentdayafterall.1、ThenovelTheTimeMachinementionedinParagraph2aimstoshow______.A．thecontributionofH.G.Wells B．thestory’sdifferentfeaturesC．thelonghistoryoftimetravel D．people’sinterestintimemachine2、Einstein’sandHawking’stheories_____.A．suggestthepossibilitytoinventthetimemachineB．pushtheinventionofthefirstspaceshipC．haveprovedwrongbysometimetravelersD．havesimilaritiesinmanyway3、InParagraph4,“grandfatherparadox”probablyreferstotheideathat______.A．thetravelerispreventedfrommeetinghisgrandfatherB．thegrandfather’sdeathmakesthetraveler’sbirthimpossibleC．thetravelergoesbackintimetoseekforhisgrandfatherD．thereunionofthetravelerandhisgrandfatherbringshappiness4、Accordingtothepassage,whatisprobablytheauthor’sattitudetowardstimetravel?A．Skeptical. B．Unclear.C．Supportive. D．Unconcerned.25．（10分）Haveyouevernoticedtinyraisedareasonthebranchesofatree?Thesemayhavebeeninsects.Thesesmallinsectsfeedontreesap(汁液).Insectsonurbantreesarenotablymoreabundantthanthoseonruraltrees.Asaresult,urbantreessufferfromheavyinfestations(害蟲橫行),andareoftenunhealthyordie.Toprotectandrestoreurbantrees’health,weneedtodeterminethefactorsthatmakethesetreepestsmoresuccessfulinurbanhabitats.Livingorganismsinteractcloselywiththeirenvironment.Thewarmer,moredrought-stressedtreesharbormoresuccessfulpeststhancooler,lessdrought-stressedtrees.Ascitiesandnaturalhabitatsbecomehotteranddrier,damaginginsectswillbecomemoreabundantonurbantrees.Treeswithinurbanforestsarevaluableeconomicallyandfortheenvironmentalsustainability(可持續(xù)性)oftheregion.Morethanhalfoftheworld’spopulationlivesincities.Acrosstheglobe,peoplearemovingintocitiesatafasterratethanever.Rapidgrowthmayturncitiesintoplaceswithharderconditions.Althoughcitiesareprimarilymadeofbuildings,roads,parkinglots,andvehicles,therearestillplantsinthem.Thetreeswithinacityarereferredtoastheurbanforest.Urbanforestsofferverybigbenefitstohumanandenvironmentalhealth.Theyimproveairandwaterquality,providehabitatforwildlife,cooldowntemperaturesandbeautifyourenvironment.Theymakecitieslivable.However,beingacitytreeisnoteasy.Heatreleasedbyhumanactivitiesistrappedincities.Asaresult,temperaturesinurbanareasareoftenwarmerthantheirsurroundingruralareas.Wecallthisurbanwarmingortheurbanheatislandeffect.Urbanhabitatsaremostlymadeofsurfacesofasphalt(瀝青)andconcrete.Thesesurfacesreducetheamountofrainwaterthatreachestreeroots.Asaresult,urbanforestsmaysuffer,whichcannegativelyaffectpeopleandtheenvironment.Whatcanwedotorestoreurbanforests?Regularirrigationwhenpossiblemayhelpkeeppestpopulationsundercontrol.Plantingtreespeciesthataresuitabletohandleheatanddroughtstresswouldalsoreducetheoccurrenceofinsectpestoutbreaks.1、Whatmakestreepestsmoresuccessfulinthecitythaninruralareas?A．Thewarmerandrainyhabitat.B．Thehotteranddrierhabitat.C．Thecooleranddrierhabitat.D．Thehotterandrainyhabitat.2、Urbanforestsmakecitieslivableby.A．providingpeopleenoughcleanwaterB．improvingthelivingenvironmentC．offeringpeopleeconomicbenefitsD．loweringthetemperatures3、Accordingtothetext,whatresultsinthecitytrees’suffering?A．Naturaldisasters.B．Invisibleforces.C．Humanactivities.D．Naturalevolution.4、Whatwouldbethebesttitleforthetext?A．TheImportanceoftheUrbanTreesB．HowtoProtecttheUrbanTreesC．UrbanTreesAreinGreatDangerD．Let’sActfortheProtectionofUrbanTrees第三部分語言知識運(yùn)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(gè)選項(xiàng)中，選出可以填入空白處的最佳選項(xiàng)．26．（30分）第三部分：完形填空閱讀下面短文，從短文后所給各題的四個(gè)選項(xiàng)(A、B、C和D)中，選出可以填入空白處的最佳選項(xiàng)。ItwasalmostChristmas.Wewrotetomyfather,askinghimto36anartificialtreeforusand_37ittousinseveralsmallerboxes.TwodaysbeforeChristmaswewereina38.Alloftheboxesthatmyfatherhadsentusarrivedexceptfortheonewiththetree39.Wedecidedtowaitonemoreday.Meanwhile,inBremerhaven,ayoungmailclerk40aboxunderacounter.He41thatsomeonewouldbewithoutatreeforChristmas.Althoughhewasclosingupandtherewasno42_onChristmas,heprocessedthemailandgotittoMannheim.Afterputtingthe43onthepropershelf,heheadedtothesnackbar.Theplacewas44andheendedupsharingatable.Twomenwerespeakingandtheclerkdiscoveredthatoneofhis45atthetablewasworkinginMannheim.Hesaidtotheman,"Youcould46playSantaforsomeoneinMannheimtonightifyou'dliketo."Theman47todeliveritandthetwowalkedtothemailroomto48thepackage.AthomeinMannheim,wewerebusily49tothinkupsomewaytoputourtreetogether,butcouldn't50aworkablesolution.Wewerereadytogiveup51thedoorbellrang.Therestoodastrangerholdingalong52carton,ourtreetrunk.Weinvitedhimin,53itwasChristmasEveandhewas54togethometohisownfamily.Thenextdayaswewatchedourlittleboy'seyeslightupatthe55ofourbeautifultree,Iwhisperedalittleprayer:"BlessthestrangerwhobrightenedupourChristmaswithhiskindness."1、A．sell B．buy C．deliver D．bring2、A．send B．pass C．carry D．take3、A．surprise B．hunger C．pleasure D．panic4、A．leaf B．trunk C．stand D．branch5、A．watched B．caught C．spotted D．broke6、A．directed B．whispered C．realized D．confirmed7、A．delivery B．customer C．money D．letter8、A．present B．tree C．mail D．package9、A．crowded B．small C．noisy D．normal10、A．friends B．colleagues C．relatives D．companions11、A．really B．confidently C．kindly D．patiently12、A．overcame B．a(chǎn)greed C．a(chǎn)stonished D．struggled13、A．fetch B．transform C．post D．consult14、A．solving B．explaining C．trying D．worrying15、A．comeacross B．comebackto C．comeupon D．comeupwith16、A．while B．when C．a(chǎn)s D．since17、A．slim B．beautiful C．thick D．heavy18、A．but B．so C．because D．or19、A．insurprise B．it,the,way C．inahurt7 D．inlime20、A．sight B．back C．corner D．scene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(gè)適當(dāng)?shù)膯卧~或括號內(nèi)單詞的正確形式。27．（15分）Directions:Afterreadingthepassagebelow,fillintheblankstomakethepassagecoherentandgrammaticallycorrect.Fortheblankswithagivenword,fillineachblankwiththeproperformofthegivenword;fortheotherblanks,useonewordthatbestfitseachblank.ShanghaiCitizensOutOfSortsOverNewTrashSeparationRulesHouseholdtrashhasoccupiedthemindsofShanghairesidentsthisweek:specifically,arethecontentsoftheirbins“wet”,“dry”,“hazardous”or“recyclable”?Residentsofthecityoneoftheworld’sbiggestwithabout23millionpeople,1．a(chǎn)rrangetheirtrashaccordingtothoselabelsunderamandatory（強(qiáng)制的）sortingscheme2．(start)onJuly1.Citizens,however,arefinding3．newsystemcomplicatedenough,4．everyitemofwastenowundercarefulscrutiny,fromreceiptsandhalf-eatencrayfishtosoggycupsof“bubbletea.”Residentsarealsounhappyaboutgettingtheirhandsdirty.“It’sreallyalotoftrouble,”saida68-yearoldresidentcalledShen.“Plasticbagshavetobeputinonebinandiftheyaredirtytheymust5．(cleanout),andthenyourhandsgetfilthy.It’sreallyunhygienic.”HuangRong,deputysecretarygeneraloftheShanghaigovernment,saidonFridaymorethan70%ofresidentialdistrictsshouldbecompliant（遵守）withthenewtrashsortingrulesbynextyear.ThoughShanghaihashired1,700instructorsandconducted13,000trainingsessions,confusedresidentsonsocialmediaaredemandingtoknowtosortitemslikebatteries,humanhair,meatonabone,orfruitseedsandskins.Thegovernment6．(setup)anapptohandleenquiries.7．citizensareunsureaboutwhichofthefourtrashcategories---recyclable,hazardouswaste,kitchenwasteandresidualwaste---somethingtheyneedtodiscardbelongsto,theyopentheapp,typeintheobjectandreceiveadefinitiveanswer.Shanghaiaimstoeventuallyburnorrecycleallwaste.Bynextyear,drywasteincinerationandwetwastetreatmentrates8．(expect)toreach27,800tonnesaday,around80%ofthecity’stotalgarbage.Chinaisbuildinghundredsof“wastetoenergy”plants9．usegarbagetogeneratepower.Itisalsoestablishinga“waste-freecity”schemeandconstructinghigh-tech“comprehensiveutilizationbases”acrossthecountry.Huangsaidthenewsortingmeasureswerejustthebeginning,andwouldnotinstantlyresolveShanghai’smountinggarbagechallenges.“Weneedtostepupthepropaganda,andwecan’thelpbut10．(stepup)theconstructionofinfrastructureandguaranteethattheseparationoftrashmeetsourrequirements,”hesaid.第四部分寫作（共兩節(jié)）第一節(jié)短文改錯(cuò)（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(cuò)誤，每句中最多有兩處。每次錯(cuò)誤僅涉及一個(gè)單詞的增加、刪除或修改。增加：在缺詞處加一個(gè)漏字符號