2025年陜西省紫陽(yáng)中學(xué)高考英語(yǔ)考前最后一卷預(yù)測(cè)卷含答案

2025年陜西省紫陽(yáng)中學(xué)高考英語(yǔ)考前最后一卷預(yù)測(cè)卷含答案考生須知：1．全卷分選擇題和非選擇題兩部分，全部在答題紙上作答。選擇題必須用2B鉛筆填涂；非選擇題的答案必須用黑色字跡的鋼筆或答字筆寫(xiě)在“答題紙”相應(yīng)位置上。2．請(qǐng)用黑色字跡的鋼筆或答字筆在“答題紙”上先填寫(xiě)姓名和準(zhǔn)考證號(hào)。3．保持卡面清潔，不要折疊，不要弄破、弄皺，在草稿紙、試題卷上答題無(wú)效。第一部分（共20小題，每小題1.5分，滿分30分）1．---Whydidn’tyouhelpthelittleboy?---Oh,hehadstruggledtohisfeet______Icouldrunoverandofferedanyhelp.A．before B．a(chǎn)fterC．when D．since2．Takingdrugshasbecomepartofeverysport_________athletesseektoachievebeyondtheirnaturallimits.A．which B．that C．who D．where3．Manyofusseereadingasaninvestmentinourselves，soit’sonlynaturalthatwewanttolearnsomethinguseful________ourefforts.A．inviewofB．inresponsetoC．inparallelwithD．inreturnfor4．TheChinesepeoplearekindandcaring.Ifnot,I_____inChinainthepast30years.A．didn’tstay B．hadn’tstayedC．couldn’tstay D．couldn’thavestayed5．—Allthecontainershavebeenunloaded!CanithavebeendonebyFrank?—Impossible!He________hiscarlastnight.A．hasfixedB．hadfixedC．wouldfixD．wasfixing6．Bythetimeherealizesthemistakehe________，itwillbetoolateforhimtodoanythingaboutit.A．hasmade B．made C．makes D．willmake7．Manyuniversitiesthroughouttheworldprovidescholarshipsforstudents________financialaid.A．infavourof B．inneedofC．infaceof D．inhonourof8．Thefellowwespoke________nocommentatfirst.A．tomake B．tomadeC．made D．tomaking9．Thebookisnowoutofprint,______itcaneasilybeborrowedfromlibraries.A．a(chǎn)ndB．forC．soD．but10．Thehouse______Iliveinisverysmall.A．thatB．whomC．whenD．what11．Accordingtothereport,peopleinthe________areasarerebuildingtheirhomesandmanyroads________totheareahavebeenrepaired.A．flooded;lead B．flooding;leading C．flooding;tolead D．flooded;leading12．Thoughhelacksexperience,thearrangementsareall_______forthemeetingnextThursdayaheadoftime.A．inparticular B．inplace C．inpreparation D．intime13．Weshouldbearinmindthatsocialdevelopmentandbalanceofnatureshouldgoin.A．company B．sympathy C．a(chǎn)ssociation D．harmony14．—Whycan’tyougivemeanotherchance?—________,butIdon’tthinkyouaregoodatmanagement.A．NooffenceB．NoworriesC．NoneedD．Nowonder15．_______childwillfindhisownpersonalroadtosuccess.A．EachB．TheotherC．EitherD．Another16．---DoyouthinkIshouldjointhesinginggroup,Mary?---______IfIwereinyourshoes,Icertainlywould.A．Noneofyourbusiness．B．Itdepends.C．Whynot?D．Idon’tthinkso.17．HelensaidthatshewouldbringmeJustinBieber'slatestCDthenextday,butshe.A．wouldn't B．didn'tC．hadn't D．hasn't18．Wearrangedtomeetatthecinemaat7:30,butJackfailedto______.A．breakupB．setupC．turnupD．giveup19．Alotoffoodaswellassometents_________toYushusincetheearthquakeoccurred.A．hasbeentransported B．havebeentransportedC．isbeingtransported D．a(chǎn)retransported20．a(chǎn)singleworldcanchangethemeaningofasentence,asinglesentencecanchangethemeaningofaparagraph.A．Justas B．EventhoughC．Until D．Unless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）Youmayhaveexperiencedtheannoyanceofbeingfinedbecauseofparkingillegallyorfindingyourcartowedaway(拖走)afterleavingitparkedsomewhereforacoupleofminutes.Butnowahigh-techcarstickerthat’sdesignedtobestucktoacar’swindscreencouldhelpmotoristsavoidsuchasituation.TheTowStopstickersendsatextmessagetoadriverwhentouchedbyatrafficpoliceman,toallowmotoriststosendareplyandgivethemtimetomovetheircarsimmediately.Frankfurt-basedITconsultant,DanielKalliontzis,cameupwiththeideaandisraisingmoneytoputhis￡43stickerintoproduction.Carownerscanputthestickerinsidetheircar’swindscreen,havingsetitupwithkeyinformation,suchastheirphonenumber.Theslimdesignwillincludeasensor(傳感器)that,whentouchedbyatrafficpoliceman,willsendatextmessagewarningadriverofapossiblefine.Thedrivercouldthentypeareplyforthepolicemanusingasmartphone,whichwillappearonthesticker’sscreen.Thesmartstickersystemwillrelyonthegoodwilloftrafficpolicemenandinaway,aGermanlaw.Thelawstates:anofficerhastochoosethemostefficientandinexpensivewayforthecarownertoremovethevehicle.Itcouldbecheaperforthegovernmenttocallthedriverthantotowhiscar.MailOnlineaskedtheDepartmentofTransportwhetherthestickercouldbeusedintheUKinasimilarway.Aspokesmansaid,“InEnglandthereisnolegaldutytowarnthemotoristbeforeissuingtheticket.However,apolicemandoeshavethediscretionnottoissueaticketifhedoesn’tthinkthesituationisthatbadorhejustwantstoissueawarning.”Sofar,Mr.Kalliontzishasraisedjustover￡2,362ofhis￡39,381goal.Ifhemanagestoraisethemoney,thestickerswillbeshippedinJune2015.Butitappearsthatcarownersusingthesmartsystemcouldgetsomeunnecessarywarningmessages,becauseanyonecouldtouchthesmartsticker.1、Theauthorwrotethethirdparagraphto_______________.A．explainhowasmartcarstickerworksB．a(chǎn)dvisedriverstobuyacarstickerC．showtheimportanceofasensorD．telldrivershowtoparkacar2、WemayinferfromthetextthatinBritain_______________.A．carownersdon’thavetoworryaboutaparkingticketB．smartcarstickerswouldn’tworkaswellasinGermanyC．trafficpolicemenprefertocalladriverratherthantowhiscarD．theDepartmentofTransportthinkshighlyofsmartcarstickers3、Theunderlinedword“discretion”inParagraph5canbestbereplacedby“___________”.A．troubleB．pressureC．freedomD．opportunity4、Whatwouldbethebesttitleforthetext?A．DanielKalliontzis-agreatinventor.B．Environment-friendlycarstickers.C．ParkingsystemsinEurope.D．Endoftheparkingticket?22．（8分）BangkokDestinationGuideTravelinBangkokisoftendescribedasawhirlwind—it’shot,chaotic,crowded,andfullofexoticenergy.Thispopulartourismdestinationisacityofextremeswithmajestictemples,floatingmarkets,romanticrooftoprestaurants,andawiderangeofaccommodationstosuiteverybudget.Readthroughourbriefguidetolearnaboutthisexcitingcityandbeginplanningyourjourney.Peak(高峰)SeasonPopulationLanguage(s)CurrencyJanuaryClimateJulyClimateNovembertoFebruary8,280,925ThaiThaiBahtAveragehigh33.2℃Averagehigh33.2℃Must-SeeAttractionsBangkokissometimesreferredtoasthe“VeniceoftheEast”becauseofitsnetworkofcanals,sotakeaboattourtoseesightsliketheKhmerwats(僧院)andtheriversidehouses.Whileexploringthecity,you’lldefinitelywanttosamplesomeofthestreetfoodoptions—oftenfresherandmoreuniquethaninthesurroundingrestaurants!TogetadoseofThaiculture,visittheWatArun,theGrandPalace,WatParkeaw,andWatPho.TransportationTherearetwoairportthatserveBankok,SuvamabhmiAirportandDonMuangAirport,andbotharelocatedabout30kilometersfromcitycentre.MosttravelerswhoflyintoSuvarnabhumitaketheairportraillinktogetdowntown.ThemostimportanttrainstationistheHuaLamphongStation,andrailwaylinesextendinalldirections.It’snotagoodideatotravelaroundBankokbycarsincetrafficisverycongested.RecommendedRestaurantsFoodisabigdealinThailand.andthereareplentyofcheapeats,high-endrestaurants,andstreetfooddelightstokeepyourtastebudssatisfiedeverymeal.RestaurantCuisineLocationPriceNoticesLungYaiIsaanDinDaengBudgetOffthebeatenpathandnevertouristyIssayaSiameseClubThai4SoiSriAksorn,ChuaphloengRd.PriceyOrderamixofchefrecommendationstotrysomethingnewBankaraRamenJapanese32/1SukhumvitSoi39BudgetTrythesignatureramenwithchashu140、WhichmonthisinthepeakseasontotravelinThailand?A．March. B．July.C．October. D．December.1、Whatdoestheunderlinedword“its”referto?A．Venice’s. B．Bangkok’s.C．Khmer’s. D．Thai.2、WhydoestheauthorthinktravellingaroundBangkokbycarisabadidea?A．It’seasytogettothecitycenter.B．It’seasytoreachherailwaystation.C．It’seasytomeettrafficjam.D．It’seasytogoalldirections.3、WherewillyougoifyouwanttotryexpensiveThaifood?A．InDinDaeng.B．InIssayaSiameseClub.C．InLungYai.D．InBankaraRamenRestaurant.23．（8分）MandyHarveyisa29-year-oldsingerfromtheAmericanstateofFlorida.Shesuffersfromconnectivetissuedisorder.Shelostmostofherabilitytohearwhenshewas18.Asachildandduringherteenageyears,Harveywasasinger.Butshestoppedsingingforatimeaftershewentdeaf.Butshedecidedtostartsingingagainaftershelearnedhowtofeelasong’sbeatthroughthewoodenfloorofastageortheater.Sheusesvisualaidstomakesurehermusicalinstrumentsaretunedcorrectlyandsheissinginginthecorrectpitch(音高).Harveyisnowaprofessionalsinger.ButuntilTuesdaynight,notmanypeopleintheUnitedStateshadheardofher.Ofcoursethatchangedwhensheappearedonthetelevisionshow“America’sGotTalent.”Theshowhasfourjudgeswhowatchpeopleperformanddecideiftheyshouldcontinueinthecompetition.MandyHarveyappearedonstagewithasmallinstrument:aukulele.Asignlanguageinterpreterstoodnexttothejudges.Oneofthejudges,SimonCowell,askedHarveyabouttheconditionthatcausedhertogodeaf.Thenshegotreadytoperform.Shesangapieceshewrote,called“Try.”Harveysaid:“AfterIlostmyhearing,Igaveup.ButIwanttodomorewithmylifethanjustgiveup.”Cowellsaid:“Goodforyou,”andclappedhishandsloudly.Asshewassinging，onecameracutawaytocaptureimagesofpeopleinthetheater.Manywereseencrying.Atonepoint,everyonestoodupandcheered.ByWednesdayafternoon,avideoofHarvey’sperformancehadbeenplayed46milliontimes.Shortlyaftershefinishedsinging,Cowellsmiled,andsaid“Mandy,Idon’tthinkyou’regoingtoneedatranslatorforthis.”Andhereachedoverandhitabuttonthatreleasedgoldenconfetti(五彩紙屑)intotheair.ThatmeantHarveyautomaticallymovedontothefinalpartofthetalentcompetition.1、HowdoesMandyHarveysingwithhermusicalinstrumentsasadeafperson?A．Bysensesoftouch.B．Byherinstrument.C．Byexperience.D．Bysight.2、Whatdoestheunderlinedword“that”inParagraph3referto?A．Harveyisnotwell-known.B．Harveyisaprofessionalsinger.C．HarveyispopularwithAmericans.D．Harveyisluckywithherchildhood.3、Whatdoyouknowabouttopicofhersong“Try”？A．Showingherhardsituation.B．Expressingherperseverance.C．Askingforsympathyfromothers.D．Provinghersuccessinhercareer.4、WhatwastheresultofMandy’sperformance?A．Shegotthefirstplace.B．Shemovedthethreejudges.C．Shesucceededinenteringthefinals.D．Shedidn’tsatisfythewholeaudience.24．（8分）Watchingwoodendollscometolifemaynotbeoneofthemostpopularformsofentertainmenttoday,butwithovertwentyyears’experience,talentedpuppeteer(木偶表演者)PeterRobertshasearnedhimselfthetitle“masterpuppeteer”becauseofhisgreatabilitytoturnpuppetsintobelievable,almostlivingcharacters.“PeoplearequiteoftensurprisedtohearwhatIdoforalivingandhavelittleappreciationofpuppyasaformofentertainment.Butwhiletheexactoriginsofpuppettheatreareunknown,ithasbeenpopularinmanyculturesandmayhavebeentheveryfirstkindoftheatre,”heexplains.Roberts’showsarehighlyoriginal.“Apuppetshowcaninvolveanythingfromclowning(傻逗)tostorytelling,”hesays.Equallydiversearetheaudiencesheperformsfor.“Someareattractedbythepuppetsthemselves,whileothersenjoythedialogue.”Robertsbelievesthatthisformofentertainmentcanbeappreciatedbypeopleofallagesandcultures.Roberts’interestinpuppetsstartedwhenhereceivedsomebeautifulglovepuppetsoneChristmas.HestartedputtingonshowswiththeseforfamilyandfriendsandthenmovedontohandmadeChinesestringpuppets.Learningmostlyfrombooksandpersonalexperience,heexplains,“Iwasalreadyspendingmostofmyfreetimecarvingpuppetsandputtingonshows,soIhardlynoticedthechangefromstudentstofull-timeprofessionalpuppeteer.”Thepuppetsaredesignedspecificallyforeachshow,whichisextremelytimeconsuming.AccordingtoRoberts,“Sometimeswhatyouexpectandwhatyouactuallycreateintheendaretwoverydifferentthings.I’vemadesomeofmybestpuppets‘a(chǎn)ccidentally’.”Whenmostpeopleheartheword“puppetry”,theymorethanlikelythinkofawayofkeepingchildrenentertainedatbirthdayparties.Certainlythesubjectmatterwillbeexpectedtobelight-heartedratherthanserious.However,Robertswantstopointoutthatpuppetsconveyseriousmessagessometimes.”hesays.1、Whatdoweknowaboutpuppetryinthefirstparagraph?A．Itisamostpopularformofentertainment.B．Itcannotgivepeoplepleasureanymore.C．ItwasfirstbroughttolifebyPeterRoberts.D．Itsvalueasanartformisnotfullyrecognized.2、InRoberts’eyes,hispuppetshows.A．usuallyattractpeoplefullofhumorB．a(chǎn)remostsomethingforoldagedaudienceC．displaysomethingmeaningfulfordifferentpeopleD．involvehardworkandgreatintelligence3、Robertsdevelopedaninterestinpuppetsbecauseof.A．thepuppetshowbooksB．hisuniversitymajorC．a(chǎn)ChristmasgiftD．someChinesestringpuppets4、WhatdoesRobertswantpeopletothinkofpuppettheatre?A．Itisjustakindofentertainmentforkids.B．Itcanbeeducationalaswellasentertaining.C．Itisonlyakindofseriousartform.D．Itshouldbekeptlight-hearted.25．（10分）TimMa'sparentscametotheUnitedStatesfromTaiwaninthe1970s.Theyopenedarestaurant.Itwasnotasuccess.TheyfoundsuccessinAmerica,however,incomputersandengineering.Inpartbecauseoftheirownexperiences,Ma'sparentshopedhewouldstudytobecomeanengineerordoctor.Theywantedfinancialsecurityfortheirchild.Growingup,Maconsideredmanyprofessions–writer,fireman,evenpresident.Buthehadasenseearlyon...―Ididn'twanttobeanengineer.However,Madidwellinmathandscienceclassesinhighschoolandheendedupchoosingtostudyelectricalengineeringincollege.Severalengineeringjobslater,though,Mahadachangeofheart.Hewantedtoleavetheengineeringworldbehindandentertherestaurantbusiness.Itwasinhisblood.Afterall,hisparentshadownedaChineserestaurantinArkansas.HisunclealsoownedoneinNewYork.Hisparents,Masays,couldnotunderstandwhyhewouldwanttoleavesuchagoodjobtoopenarestaurant.Theyhadworkedlonghoursbuttheirownrestaurantstillfailed.Theykeptasking,―Why?ButMaremainedcertain.Hewasgoingtodothingsdifferentlythanhisparents.Hewasabletolearnfromtheironemajormistakeasrestaurantowners–theyknewverylittleabouttheartofcooking.So,atage30,Maleftengineeringandreturnedtoschool–cookingschool.Masoonlearnedthatheenjoyedcooking.In2009,MaopenedhisfirstrestaurantinVirginia.ItiscalledMapleAvenue.AtMapleAvenue,Macooked,cleanedtheovens,fixedequipmentandpaidbills.Heworkedlonghours,sevendaysaweek.Hislonghourspaidoff.Maopenedhisfourthrestaurantlastyear,KyirisaninWashington,D．C．Kyirisan'ssuccessisduetothecreativemenuandfood,Masays.Butmostlyitjustcomesfromcompletelyhardwork.―Ithinkinthiscountryyoucancreateyourownsuccess,justbyworkinghard.Notbecauseyou'resmarterthananybody,notbecauseyou'remorecreativethananybody,justbyworkinghard.AndIthinkthat'swhyalotofpeopleendupcomingtoAmerica.1、WhydidMa’sparentswanthimtobecomeanengineerordoctor?A．Theirfamilyhadfoundsuccessinengineeringforgenerations.B．Theyweretiredofrunningarestaurant.C．Theythoughtitfinanciallysecuretobeanengineerordoctor.D．Theywantedhimtotryacareerdifferentfromtheirs.2、WhydoalotofpeoplecometoAmerica?A．Theycanlearnmanythings. B．Theycanruntheirbusinesscreatively.C．Theycanchoosejobsfreely. D．Theycansucceedthroughhardwork.3、Whatcanbethebesttitleforthetext?A．Asuitablejob B．FollowyourheartC．Asuccessfulbusiness D．Createyourownbusiness第三部分語(yǔ)言知識(shí)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）Onesummer,AuntBettaandUncleBillinvitedmetotravelwiththembackhometoPennsylvania.Ihadneverbeen1LosAngelesandwaseagertomeetourrelatives.Ourfirstnight,wedrovethroughthedesert,andthenthroughroadscutthroughhills.ThenextdaywewentthroughtheRockyMountains.Itwas2drivinguplonginclines(斜坡)withabruptU-shapeturnsonthesteephillsides,thendriving3slowlywithgreatcaution.BeyondColorado,wedrovethroughmilesof4,whereIsawactualfoodbeinggrown.I5someofthecrops.Inonesmalltownwepassedthrough,AuntBettadecidedIneedednew6andtookmetoacountry7.Iwasusedto8dressesandskirts.NowIhadmyfirstpairofjeans,aflannelshirt,shortsandaT-shirt.Ilovedthemall.9wereachedourdestination.UncleBill’saunthadaperfectlittletwo-storyhouse.ThefirstthingI10wasabedinacutelittleroom—forme!Ilookedforwardtothat.Itwouldbelikesleepinginadollhouse.Inthebackyard,Isawredthings11thebackfence.UncleBill’sunclesaid,“Ithinkyouneveratea12tomatoinL.A．.”Ihadn’t.He13pickedoneforme.Imetallmynewaunts,unclesandcousins.Mycousinstaughtmehowtodocartwheels(側(cè)手翻)inthebigfrontyard.Countrypeoplehavemore14,Ithought.Alltheadultscriedwhenwe15,butItookhomeallthe16ofeverythingI’dseen.BackinL.A．,mylungshurtwhenItookadeepbreath.I17thefreshair.Idreamedofhomegrowntomatoes.Mycountryclothesseemedoutof18,butIworethemanyway.Iwastwoweekslatestarting19,butItoldmyteachersonlythatI’dbeeninPennsylvaniaanddecidedto20alltheresttomyself.IfonlytheycouldhaveexperiencedeverythingthatIdid!1、A．outsideB．a(chǎn)crossC．inD．to2、A．boringB．embarrassingC．frighteningD．confusing3、A．a(chǎn)wayB．pastC．outD．down4、A．buildingsB．fieldsC．hillsD．rock5、A．recognizedB．foundC．plantedD．harvested6、A．clothesB．cropsC．toysD．tools7、A．hotelB．pubC．pathD．store8、A．preparingB．sewingC．buyinD．wearing9、A．AtlastB．AboveallC．ForthemomentD．Onthecontrary10、A．tookB．searchedC．noticedD．owned11、A．flyingoverB．growingupC．circlingaboveD．packinginto12、A．redB．ripeC．homegrownD．man-made13、A．a(chǎn)ccidentallyB．graduallyC．instantlyD．temporarily14、A．ideasB．materialsC．interestD．space15、A．droveB．talkedC．partedD．met16、A．copiesB．memoriesC．picturesD．pleasures17、A．breathedB．missedC．forgotD．preferred18、A．shapeB．sightC．workD．place19、A．vacationB．journeyC．schoolD．work20、A．keepB．oweC．describeD．give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(hào)內(nèi)單詞的正確形式。27．（15分）語(yǔ)法填空Whenpeople1．(face)withhealthornutritionquestions,itis2．(increasing)commontogoonlineanddiagnosethemselves.ButtheInternetisfullofconflictinghealthwarningswithnoregulationstogetridofthewrongadvice,someof3．isextremelydangerous!Also,searchengine’srankresultsfrompopularityratherthanaccuracy,4．solidfactscanbetrickytofind.Itisworth5．(check)ifthewriterofanonlinepieceisproperlyqualifiedasanexpert.Anyonecancall6．(they)a“dietexpert”“nutritionist”andevena“doctor”---givenitcouldrefertoqualificationslikeaPhD．Butremember,onlyofficially7．(recognize)practicingdoctorsaswellasdietitianshavedegreesingivingmedical8．(suggest).Soifyouareunsureandstillwondering9．thechocolatedietreallydoesworkornot,thenitpaystomake10．a(chǎn)ppointmentwithyourdietitianordoctor.Thetruthisoutthere,andyoujustneedtolookintherightplace.第四部分寫(xiě)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(yǔ)課上老師要求同桌之間交換修改作文，請(qǐng)你修改你同桌寫(xiě)的以下作文。文中共有10處語(yǔ)言錯(cuò)誤，每句中最多有兩處。每處錯(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(hào)(∧)，并在其下面寫(xiě)出該加的詞。刪除：把多余的詞用斜線(＼)劃掉。修改：在錯(cuò)的詞下畫(huà)一橫線，并在該詞下面寫(xiě)出修改后的詞。注意：1、每處錯(cuò)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(jì)分。DearSue,Howtimeflies、Itisamonththatyoustayedwithus、Weallmissyouandareverygratefultowhatyoudidforuswhenweweretogether、WehadanEnglishspeechcontesttheothersdayandIwonthefirstprize,whichagainremindmeofallyourkindhelp、Doyoustillrememberthetreewhatwasplantedbyustogetheronthehillbehindtheschool?Yesterdaywewentthereandgotitwater、ThetreeyouplantedyourselvesisgrowingwellandwholeclassdecidedtonameitSuewood、WillyoucomebacktoseeSuewood?Howiseverythingwithyoulater?WehopetoknowmoreaboutyouandyourAmericanstudents、Hopetokeepinclosetouchwith、AllthebestLiuHua第二節(jié)書(shū)面表達(dá)（滿分25分）29．（25分）某電視臺(tái)英語(yǔ)頻道今年暑假準(zhǔn)備舉辦"外國(guó)人游中國(guó)"的夏令營(yíng)活動(dòng),假定