2025屆山西省渾源縣第七中學(xué)英語高三上期末聯(lián)考模擬試題含解析

2025屆山西省渾源縣第七中學(xué)英語高三上期末聯(lián)考模擬試題注意事項:1．答題前，考生先將自己的姓名、準(zhǔn)考證號碼填寫清楚，將條形碼準(zhǔn)確粘貼在條形碼區(qū)域內(nèi)。2．答題時請按要求用筆。3．請按照題號順序在答題卡各題目的答題區(qū)域內(nèi)作答，超出答題區(qū)域書寫的答案無效；在草稿紙、試卷上答題無效。4．作圖可先使用鉛筆畫出，確定后必須用黑色字跡的簽字筆描黑。5．保持卡面清潔，不要折暴、不要弄破、弄皺，不準(zhǔn)使用涂改液、修正帶、刮紙刀。第一部分（共20小題，每小題1.5分，滿分30分）1．Beforeyouhandinyourfinalreport,________therearenospellingmistakes.A．makesure B．tomakesureC．madesure D．makingsure2．—Bettergetdowntoyourwork,Tom.—_________.A．It’smypleasure B．Don’tmentionit C．MindyourownbusinessD．You’rewelcome3．Thereisawide________ofreferencebookstobefound,so________youlookforsomematerialneeded,youcanturntome.A．kind;thelasttime B．sort;everytimeC．variety;nexttime D．type;themoment4．IfeelIamaswell-behavedandascarefulasmydeskmate,but_______Ialwaysfallbehind?A．howabout B．howcomeC．whatif D．whatfor5．Wecouldhavedonesomethingmeaningfulinthetimeit________towatchthatboringmovie.A．hastaken B．took C．hadtaken D．takes6．—Doyouknowwhenyourmother________topickyouup?—At11：40am.A．hadcomeB．iscomingC．hascomeD．wouldcome7．—WhendidyoureturnlastFriday?—Itwasnotuntilmidnight______itwasraininghard.A．when B．whichC．that D．before8．________theprogram,theyhavetostaythereforanothertwoweeks.A．Notcompleting B．NotcompletedC．Nothavingcompleted D．Havingnotcompleted9．---Kingsman:TheSecretServiceisaspyactioncomedyfilm.Wantstocomewithme?---I’dloveto,butmybestfriendisgettingmarried,andIwon’t_______itforanything.A．overlook B．trade C．miss D．forget10．Thedisaster-strickenvillagewasinaccessible___________byhelicopter,andthestormaddedtotherescuers’difficulty.A．insteadof B．otherthan C．ratherthan D．regardlessof11．Mymomonceworkedinaverysmallvillageschool,whichis__________onlyonfoot.A．a(chǎn)cceptable B．a(chǎn)dequate C．a(chǎn)ccessible D．a(chǎn)ppropriate12．Everymanhashisfaults.Weshould,therefore,leantobe________ofothers.A．ignorant B．responsibleC．reliable D．tolerant13．---I’lltaketheblueone.Thisistwentydollars.---Here’sthechange..A．Bestwishes B．MypleasureC．Haveaniceday D．Let’scallitaday14．---IwenttoseeTheWanderingEarthlastnight.Itwasfantastic!---Youweresolucky!HowIwishI_____thetickettoo.A．get B．gotC．hadgot D．wouldget15．HaveyoureadthebookLifeandDeathAreWearingMeOutbyMoYan,_____thatwonhimthe2012NobelPrizeinLiterature?A．theone B．one C．those D．ones16．Soabsorbed________inheryogaexercisesthatshetooknonoticeoftheheavyrainoutside.A．Marywas B．MaryhasbeenC．wasMary D．hasMarybeen17．—IntheUK，somepeopleequatelifeexperiencewiththenumberofstampsintheirpassports.—That’swhytheyallagreethatthey________the“travelbug”．A．catchB．caughtC．havecaughtD．a(chǎn)retocatch18．---Iusuallygotherebytrain.---Whynot________byshipforachange?A．totrygoing B．tryingtogoC．totryandgo D．trygoing19．Ihaveoftenthoughtitwouldbeablessingifeachhumanbeing_______blindanddeafforafewdaysatsometimeinhislife.A．hasbeenstricken B．werestrickenC．hadbeen D．wouldbe20．Russia'scuttingoffthegassupplyraisedamajorconcerntotheEuropeanUnion,anumberofmemberstatesareincreasinglydependentononesinglesupplier.A．whose B．thatC．where D．which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）Onesinglemother’screativemannerofmakinghersonnotfeelhurtfromaschooleventcelebratingclosefather-childrelationship,haspulledsocialmedia’sheartstringshardYevetteVazquez,fromFortWorth,Texas,wasdroppingoffher12-yea-oldsonElijahatschoolwhenshesawthatthereweremoreparkedcarsthanusualforaschoolrun.“Iaskhimwhythereweresomanycars,”VazquezwroteinaFacebookpostthathasbeensharedmorethan6,000times.Hesaid,“Donuts(炸面圈餅）withDad”.Itwasaneventbeingheldbytheschooltohonorclosefatherchildrelationship.ButVazquez,whoisasingleparent,didnotwanthersontobeleftoutfromtheeventInstead,sheandElijahdrovehomesothatshecouldchangeherappearance.“Iknowseeingotherdadswiththeirkidsisn’teasyforminebutit’slife,atleastIcandowhateverittakestoputasmileonthatface,”wroteVazquezinthepost.Theposthasreceivedmorethan18,000reactions.OneusercalledCeciSoliswrote,“Tearsarecomingdownmyface.”Sheadded,“It’shardnothavingadadtodothat.It’sjustamazing.”AnothernamedMozarELucyDePaulasaid,“Youareanamazingmom.Iwasasinglemom?soIknowwhatittakesustodoanythingtoseeasmileonourkidsfaces.Youarethebestandkeepup.Godblessyouandyourson.”Severalcalledforhertobecrowned“MotheroftheYear”.1、Accordingtothetext,Elijahis.A．oldenoughtolivealoneB．unwillingtomakedonutsC．a(chǎn)boywithoutfatherathissideD．welltakencareofbyhisparents2、WhatdidVazquezdotoavoidhurtingherson?A．Sheparkedhercarsecretly.B．Shedresseduplikeafather.C．Shelearnedtomakedonutsherself.D．Shedrovehersontoschooleveryday.3、Whatisthetextmainlyabout?A．Asonisthemostlovely.B．Lifewithdadisgoingonasusual.C．Amumcelebratesclosefather-childrelationshipwithadad.D．Asinglemumchangesherappearancefor“DonutswithDad”22．（8分）When12girlsfromSanFernandohighschoolinCaliforniareceivedagrant(助學(xué)金)todevelopaninventiontosolveareal-worldproblem,theydecidedtocreateasolar-poweredshelter.Nowforoverayear,thegirlshavebeenworkingafterschoolandoverthewinterandspringbreakstocompletetheirproject.“TheyhavethisamazingdrivethatI'veneverseenbefore,”saidVioletMardirosian,amathteacheratSanFernandoHigh.“Ithoughtatthebeginningthatmaybesomeofthemwouldgiveup,saying'Ididn'texpectthismuchwork,'buttheydon't.They'rejustworkinghardandthey'renotgivingup.”Livinginalow-incomecommunity(社區(qū)),thegirlshaveseentheproblemofhomelessnessfirst-hand,whichiswhytheychosethatpopulationtocreateaproductfor.Manyofthemarealsofromimmigrantfamiliesandhopethesolar-poweredsheltermighthelprefugees(難民).Seventeen-year-oldMaggieMejiasaidthatwhileshehadnoengineeringexperience,thegirlsfiguredoutasateamhowtocreatetheprototype(雛形),usinghow-tovideosandbooksthattaughtthemhowtocode.Butthemostimportantlessonshe'slearnedoverthecourseoftheprojectisn'ttechnical.“I'velearnedalotabouthelpingothers,helpingthecommunityandshowingabetterworldtootherpeople,”shesaid.ThegirlshavebeeninvitedtoMITtoshowtheirinvention.MardirosiansaysalltheparticipatingstudentshaveexpressedinterestingoingintoSTEM(science,technology,engineering,mathematics)fieldsandthatstudentsfromlowergradesarealreadyexpressinginterestinbeinginvolvednextyear.Shesays,“Manyofthemdidn'tthinkaboutengineeringbefore.Theythoughtmaybethey'renotmadeouttobeanengineer.Butworkingtogether,nowtheyrealizethey'reallneededinthisfield.Everyonehasfoundtheirimportanceinthispicture.”1、WhydidMardirosianthinksomegirlswouldquitthesubject?A．Itwasnotpracticalinreallife.B．Itdemandedalotoftimeandenergy.C．Itwasnotsupportedbytheirmathteacher.D．Itrequiredalotofmoneyandexpertknowledge.2、Whydidthegirlsdecidetocreateasolar-poweredshelter?A．Tosaveenergy. B．Towinascholarship.C．Tohelpthehomeless. D．TobeadmittedtoMIT.3、AccordingtoMaggie,whatisthemostvaluablelessonshehaslearnedfromtheproject?A．Howtocode. B．Thepowerofteamwork.C．Thewaytoteachherself. D．Howtomaketheworldabetterplace.4、WhatdoesMardirosianthinkoftheproject?A．Ittaughtgirlstobeindependent. B．Itshouldbecontinuednextyear.C．Itinspiredgirls'interestinSTEM. D．Itshowedtheimportanceofengineering.23．（8分）Googleannouncednewfeaturestomakedevicessmarterandmoreusefultoopenitsyearlydevelopers'conference.TheannouncementscameatGoogle'sI/O2018conferenceinMountainView,California.GoogleDuplex"Sowhatyou'regoingtohearistheGoogleAssistantactuallycallingarealbarber’stoscheduletheappointmentforyou.Hello,howcanIhelpyou?Hi,I'mcallingtobookawoman'shaircutforaclient.I'mlookingforsomethingonMay3rd.Sure,givemeonesecond.Mm-hmmm.Thatwasarealcallyoujustheard."GoogleChiefPichaisaidthedemonstrationwastheresultofthecompany'sresearchanddevelopmentovermanyyearsintheareasofnaturallanguage,deeplearningandtext-to-speech.GooglecallsthetechnologyDuplex.Theideaistocreatemachinesthatsoundandactmorehuman-likeininteractionswithpeople.ContinuedConversationAnothernewfeaturerelatedtoAssistantiscalledContinuedConversation.Untilnow,usershavehadtosay"HeyGoogle"eachtimetheyaskedaquestionorwantedhelp.Butnow,ausercanissuemorethanonecommand–suchasafollow-upquestion–foruptoeightseconds,andAssistantwillanswer.GmailSmartComposeThelatestnewtoolforGmailisanauto-completefeaturecalledSmartCompose.ItusesAItosuggestwaystofinishsentencesastheyarewritten.Forexample,"Ihaven'tseenyou"mightbeauto-completedto"Ihaven'tseenyouinawhileandIhopeyou'redoingwell."DigitalWellbeingGooglesaysitrecognizesmanyusersaretryingtofindtherightbalanceinlifewithtechnology.Sometimestheywouldliketobreakawayfromtheirdevicestobeabletospendtime"onbetterthings."Newfeatureswiththisinmindcanhelpuserspreventoveruseoftechnology.ADashboardwillprovideusersdetailedinformationabouthowmuchtimetheyarespendingonwhichpartsoftheirdevice.Whenthedeviceisplacedfacedown,anewfeaturewillputthedeviceonholdandsilenceitsotheusercancenteronotherthings.AWindDownModefeaturecanletusersenterthetimetheywanttogotobed.Atthattime,thedevicewillagaingosilentandthefrontofthedevicewilldimtohelpusersdisconnectbeforebed.1、WhatdoesthesmalldialoguemeaninGoogleDuplex?A．GoogleChiefPichaicallshisassistanttoarrangeanappointmentforhim.B．Google’sdigitalassistantsetsahaircutappointmentforsomeoneallbyitself.C．AnassistantinGooglesetsahaircutappointmentforawoman.D．Thatwasn’tarealcallthereceiverhadheard.2、WhatcanwelearnaboutDigitalWellbeing?A．Itcanfindtherightbalanceinwork.B．Itmayautomaticallygosilentwhilethescreenisstillbright.C．Itcantellhowmuchtimeisbeingspentonpartsofthedevice.D．Whenonefeatureisoperatinglongenough,anewonewilldisappear.3、Ifyouarepoorinwritingcompositions,youprobablylike________.A．ContinuedConversationB．GoogleMaps-AugmentedRealityC．GoogleDuplexD．GmailSmartCompose24．（8分）FromthemodemLondonEyetothehistoricTowerofLondon,belowareLondon’smostvisitedtouristattractions.BritishMuseumTheworld-famousBritishMuseumexhibitstheworksofmanfromprehistorictomodemtimes,fromaroundtheworld.ThemostinterestingandexcitingpartsincludetheRosettaStone,theParthenonsculpturesandthemummiesintheAncientEgyptcollection.Someexhibitionsrequiretickets.NationalGalleryThegreatestandmostbeautifulbuildingofTrafalgarSquare,London’sNationalGalleryisavastspacefilledwithWesternEuropeanpaintingsfromthe13thtothe19thcenturies.InthisimpressiveartgalleryyoucanfindworksbymasterssuchasVanGoghdaVinet.Botticelli,Constable,Renoir,TitianandStubbs.Someexhibitionsrequiretickets.TateModernSittingonthebanksoftheThamesistheTateModem,Britain’snationalmuseumofmodemandcontemporaryart.Itsuniqueshapeisduetoitbeingapowerstationbefore.Thegallery’srestaurantsofferwonderfulviewsacrossthecity.Someexhibitionsrequiretickets.Coca-ColaLondonEyeTheCoca-ColaLondonEyeisamajorfeatureofLondon’sskyline.IthassomeofLondon’sbestviewsfromits32capsules,eachweighing10tonnesandholdingupto25people.Climbaboardforabreathtakingexperience,withanunforgettableviewofmorethan55ofLondon’smostfamouslandmarks—allinjust30minutes!MadameTussaudsAtMadameTussauds,you’llcomeface-to-facewithsomeoftheworld’smostfamousfaces.FromShakespearetoLadyGagayou’llmeetinfluentialfiguresfromshowbusiness,sport,politicsandevenroyalty.StrikeaposewithUsainBolt,getclosetoOneDirectionorreceiveaonce-in-a-lifetimeaudiencewithHerMajestytheQueen.1、WhichoneshouldtheyvisitifvisitorswanttogetabetterviewofLondon’sfamouslandmarks?A．TheTateModem.B．TheBritishMuseum.C．TheNationalGallery.D．TheCoca-ColaLondonEye.2、WhatdotheBritishMuseumandtheNationalGalleryhaveincommon?A．Bothhavechargeableexhibitions.B．BothareonthebanksoftheThames.C．Bothhavevastspacesandspecialshapes.D．Bothexhibitmodemandcontemporaryart.3、WhatcanvisitorsdoinMadameTussauds?A．EnjoyShakespeare’sworks.B．WatchLadyGaga’sperformance.C．Seefiguresofmanyinfluentialpeople.D．Talktosomefamouspeoplefacetoface.25．（10分）IWastheDoughnutLadyInuniversityIhadapart-timejobatashopthatsolddoughnutsandcoffee.Situatedonablockwhereseveralbusesstopped,itservedthepeoplewhohadafewminutestowaitfortheirbus.Everyafternoonaroundfouro’clock,agroupofschoolchildrenwouldburstintotheshop,andbusinesswouldcometoastop.Adultswouldglancein,seethecrowdandpasson.ButIdidn’tmindifthechildrenwaitedfortheirbusinside.SometimesIwouldhandoutabusfarewhenaticketwentmissing—alwaysrepaidthenextday.OnsnowydaysIwouldgiveawaysomedoughnuts.Iwouldlockthedooratclosingtime,andwewaitedinthewarmshopuntiltheirbusfinallyarrived.Ienjoyedmyyoungfriends,butitneveroccurredtomethatIplayedanimportantroleintheirlives—untiloneafternoonwhenamancameandaskedifIwasthegirlworkingonweekdaysaroundfouro’clock.Heidentifiedhimselfasthefatheroftwoofmyfavorites.“IwantyoutoknowIappreciatewhatyoudoformychildren.Iworryaboutthemtakingtwobusestogethome.Itmeansalotthattheycanwaithereandyoukeepaneyeonthem.Whentheyarewiththedoughnutlady,Iknowtheyaresafe.”Itoldhimitwasn’tabigdeal,andthatIenjoyedthekids.SoIwastheDoughnutLady.Inotonlyreceivedatitle,butbecamealandmark.NowIthinkaboutallthepeoplewhokeepaneyeonmyownchildren.Theybecome,well,DoughnutLadies.Likethemenattheskatingrink(滑冰場),wholetmyboysringhome;Orthebusdriverwhodrovemydaughtertoherstopattheendoftherouteatnightbutwouldn’tleaveuntilIarrivedtopickherup;OrthatnicepoliceofficerwhotookpityonmyboyswalkinghomeintherainwhenIwasatwork—eventhoughthephonerangallthenextdaywithcallsfromcuriousneighbors.“WasthatapolicecarIsawatyourhouselastnight?”Thatwasn’tapolicecar.ThatwasaDoughnutLady.1、Accordingtothepassage,theauthorsometimes______.A．soldbusticketstothechildrenB．gavethechildrenfreedoughnutsC．didbusinesswiththechildren’shelpD．calledthechildren’sparentstopickthemup2、Bysaying“…itwasn’tabigdeal(Para.4),”theauthormeantthat______.A．shehadn’tdoneanythingsignificantB．shehadn’tspentmuchtimewiththechildrenC．shehadn’tmadealotofmoneyfromthechildrenD．shehadn’tfoundithardtogetalongwiththechildren3、Whatcanwelearnaboutthepoliceofficer?A．Hetooktheboystothepolicestation.B．Hehelpedtheboyslookfortheirmother.C．Hedrovetheboysbackhomeinapolicecar.D．Hemanagedtomakesureoftheboys’identity.4、Thepassagesuggeststhat______.A．runningabusinessrequiresskillB．takingresponsibilityisamoralvirtueC．devotionshouldbeeverythinginlifeD．therearealwaysnosmallactsofkindness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四個選項中，選出可以填入空白處的最佳選項．26．（30分）Myfatherwasaself-taughtmandolin（曼陀林琴）player.Hecouldnotread,butifheheardatuneseveraltimes,hecouldplayit.Occasionally,he______playforthelocalradiostation.Dadlovedplayingthemandolinforhisfamily.Heknewweenjoyedhisplaying.Ifhecouldgive______toothers,hewould,especiallyforhisfamily.Hewasalways______histimeandeffortstomakingsurehisfamilyhadenoughintheirlife.Later,Imaturedintoamanandhadmyownchildren.Whenevercominghome,IwouldaskDadtoplaythemandolin,fornobodyplayedthemandolinlikehim.Hecould______yoursoulwithtunescomingoutofthatoldmandolin.Heseemedto______whenplaying,takingprideinhisabilitytoplaysowell.Unfortunately,in1977.Dadwas______inanaccident,leavinghisthirdfingerofhislefthandwoundedseriously.______hedidn’tloseenoughofthefingerwhereitwouldstophimpickingupanything,itdidaffecthis______toplaythemandolin.Aftertheaccident,hewas______toplayandfeltunabletoplayaswellasbefore.Everytimeweaskedhimtoplay,hewouldmakeexcuses.______,wecouldpersuadehimandhewouldsay“Okay.ButIcan’tholddownonthestringsandplayaswellasbefore.”Forthefamilyitmadeno______.Whenheplayedtheoldmandolin,itwouldcarryusbacktoacheerful,happiertime.InAugust1993,Dadwas______withseriousdisease.Hechosenottoreceiveanychemotherapy（化療）treatments______hecouldliveouthisrestlifeindignity(尊嚴(yán)).Aweekbeforehisdeath,weaskedDadifhewouldplaythemandolinforhisfamily.Firsthemadetheusual______againbutlatersaid“Okay.”,______itwaslikelytobethelastchanceforustohearhimplaying.Hetuneduptheoldmandolinandplayed.______,Ifoundeveryoneinthefamily______.Wesawbeforeusaquiethumblemanwithaninner______thatliveswithhiminhislife.Dadwouldneverplaythemandolinforusagain,butwestill______themostvaluablegiftwegainedfromhim,______hehaddoneallhislife,giving.1、A．might B．should C．would D．must2、A．pleasure B．a(chǎn)dvice C．help D．favor3、A．a(chǎn)pplying B．paying C．a(chǎn)ttaching D．devoting4、A．touch B．discover C．deliver D．possess5、A．escape B．shine C．exist D．calm6、A．included B．a(chǎn)bsorbed C．buried D．involved7、A．Although B．If C．Whether D．Because8、A．courage B．faith C．a(chǎn)bility D．energy9、A．desperate B．unwilling C．worthwhile D．sensitive10、A．Eventually B．Suddenly C．Gradually D．Consequently11、A．sense B．difference C．contact D．progress12、A．combined B．burdened C．carried D．diagnosed13、A．sothat B．incase C．evenif D．a(chǎn)sthough14、A．plan B．a(chǎn)pology C．reason D．excuse15、A．promising B．noticing C．requesting D．knowing16、A．Lookingaround B．Turningup C．Lookinginto D．Speedingup17、A．happy B．tearful C．a(chǎn)nxious D．delighted18、A．preference B．a(chǎn)dvantage C．strength D．courage19、A．treasure B．a(chǎn)dopt C．consider D．a(chǎn)pprove20、A．a(chǎn)nything B．everything C．nothing D．something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(dāng)?shù)膯卧~或括號內(nèi)單詞的正確形式。27．（15分）WingChunKungFu(詠春拳)is1．excellenthobbyforchildrenandassuring(令人放心的)forparentsconcernedabouttheirsafety.Itiseasytolearnand2．(extreme)practical.Itofferssmallerpeopletheabilitytoovercomelargerattackersbecausethemovementsarebasedonskillratherthansizeorstrength.TheInternationalWingChunAcademy3．(teach)childreninAustraliasince1973.OurLittleDragonsclassesforchildren4．(age)fromfivetothirteenaresafeandfun.Childrencanquicklylearntheskillstonoticeandavoiddangeroussituationswhen5．canfindnooneforhelp.Toleachchildren6．toescapefromathreateningsituationwithoutusingviolenceisoneoftheAcademy’s7．(aim).WingChunKungFuhelpsbuildstudents’8．(confident)andhelpsbuildcharacter,9．(make)itanidealinterestforshychildren.LearningWingChunKungFuisapositivestepontheroad10．a(chǎn)healthyandactivelifestyle.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短文。文中共有10處語言錯誤，每句中最多有兩處。每處錯誤僅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（∧），并在此符號下面寫出該加的詞。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。MrsSmithheardhernewneighborwouldcomeandmovedintohisnewhouse,butshehadn’tseenhim、Onedaywhenshecameback,shesawamanwearabrownhatanddarkglassescarryingaladderonhisshoulder、Themanputtheladderagainstthewindowofthenewhouseandwentuptobreakinthewindow、MrsSmithsaidtohimself,“Thief,itisathief、”Sherangupthepoliceimmediateandsoontwopolicemenappearedinthefrontofthehouse、Whenthemanwastoldtohandineverythingwhathehadstolen,helookedgreatlysurprising、Itwasthenheunderstoodthereasonwhythepolicemencame、Hesaidinasmileonhisface,“Ican’tfindmykey、It’smynewhouse、”第二節(jié)書面表達(dá)（滿分25分）29．（25分）假定你是李華，2018年冬奧會將要在韓國平昌舉辦，現(xiàn)在正在全球招募志愿者，你希望成為其中一員。請根據(jù)以下要點(diǎn)提示用英語給組委會寫一封申請信。要點(diǎn)提示：1.個人情況：年齡、性別、學(xué)歷（高中）2.個人條件：英語好、愛好運(yùn)動、善于交往、樂于助人、熟悉當(dāng)?shù)厍闆r（有方向感）3.承諾：提供最佳