山東省蒙陰縣第一中學(xué)2025屆高考全國統(tǒng)考預(yù)測密卷英語試卷含解析

山東省蒙陰縣第一中學(xué)2025屆高考全國統(tǒng)考預(yù)測密卷英語試卷考生須知：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在“答題紙”相應(yīng)位置上。2．請用黑色字跡的鋼筆或答字筆在“答題紙”上先填寫姓名和準(zhǔn)考證號。3．保持卡面清潔，不要折疊，不要弄破、弄皺，在草稿紙、試題卷上答題無效。第一部分（共20小題，每小題1.5分，滿分30分）1．_____gaspricesarerising,peoplearelookingforlessexpensivewaystogetaround.A．NowthatB．EvenifC．AlthoughD．Unless2．Thecollection,sortingandofhistoricalmaterialsandculturalrelicsoftheMayFourthMovementshouldbestrengthened,PresidentXisaid.A．consideration B．conservationC．constitution D．construction3．——Willyourequireanythingelse?——Yes,Ilikeawhisky.A．will B．shall C．should D．might4．Mydaughter,_________allkindsofmeat,wouldnotliketoeatanyvegetable,whichworriesmealot.A．devotedto B．a(chǎn)ddictedto C．a(chǎn)ccustomedto D．exposedto5．Thedrumsofwararebeatingonceagain.AstensionsrisebetweenAmericaandIran,Chinaappealstobothsidesto________.A．standby B．comealongC．stepback D．sticktogether6．Oncehemakesuphismindtodosomething,seldom______giveitup.A．hewill B．doesheC．wouldhe D．willhe7．Thecustomsofficerswereinsistingthatsuitcasesshouldbeopenedandtheircontents_______forcloserinspection.A．laidout B．givenout C．sentout D．pickedout8．Afterthefire，________________wouldotherwisebeaculturalcenterisnowreducedtoapileofashes.A．that B．itC．what D．which9．ononefootwithyoureyescloseD．a(chǎn)ndyouwillsoonloseyourbalance.A．StandingB．StoodC．TostandD．Stand10．--IhaveheardMr.Morganwillbehereat4:00pm.nextThursday.--No,he_______atthattime.A．wasboarding B．wouldbeboardingC．willbeboarding D．isboarding11．ThestatementofOneFoundationhelpsyou____whereyourmoneyisgoing．A．keeptrackof B．putupwithC．comeupwith D．fitinwith12．Youhaveabigmouth,Tom.Youhavetoldeverybodythesecret.A．can’t B．mustn’tC．shouldn’t D．mightn’t13．﹣Haveyougottheresultsofthefinalexam？﹣Notyet．Itwillbeafewdays________weknowthefullresults．（）A．before B．a(chǎn)fterC．until D．when14．—WhendidyoureturnlastFriday?—Itwasnotuntilmidnight______itwasraininghard.A．when B．whichC．that D．before15．--Itshouldn’ttakelongtoclearupafterthepartyifweallvolunteertohelp．---That’sright．_____________．A．Manyhandsmakelightwork B．SomethingisbetterthannothingC．Themorethemerrier D．Thesoonerbegin,thesoonerdone16．John______anNBAplayoffgameonTVnow.A．watchesB．watchedC．willwatchD．iswatching17．—Whathappenedtotheyoungtreesweplantedlastweek?—Thetrees________well,butIdidn’twaterthem.A．mightgrow B．needn’thavegrownC．wouldhavegrown D．wouldgrow18．———Itwasagreendinner._______———Thanks.Butitreallyonlytookanhour.A．Youmustbetired. B．Ienjoyeditverymuch.C．Youmusthavespentalldaycooking. D．Ihaveneverhaditbefore.19．Astothe“996workschedule”,______employeesworkfrom9amto9pm,6daysaweek,People’sDailycommentedthatvaluinghardworkdoesnotmeanforcingemployeestoworkovertime.A．that B．which C．where D．when20．Howcome?Ican’tfindmykey.Ijustleftit________ithadbeen.A．where B．whichC．when D．how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）Statistically,airtravelisbyfarthesafestwaytotravelandyoucanmakeflyingevensafer,justbyfollowingthesesimplerules．Asyourchancesofbeinginvolvedinanairaccidentarepracticallynil（零）,manyoftheserulesconcernwhatyoushouldandshouldn’tdotomakeyourjourneysaferwhenyouareintheair.●Flyonnon-stoproutesMostaccidentsoccurduringthetakeoff,climb,descentandlandingperiodofaflight,soflyingnon-stopreducesyourexposuretothesecomplicatedprocedures.●ChooselargeraircraftAlthoughsmallaircraftshaveverygoodsafetyrecords,thosewithmorethan30passengerseatsaredesignedtocomply（遵守）withmuchstricterregulationsandaretestedmoreregularlytomakesuretheystillcomply.Also,intheunlikelyeventofaseriousaccident,largeraircraftsprovideabetteropportunityforpassengersurvival.●Payattentiontothepre-flightsafetybriefing（簡報）Theinformationmayseemtoberepeated,butit'sworthlisteningtotheflightattendants.Andevenifyouhaveflownbefore,itdoesn'tmeanyouknoweverythingabouttheaircraftyou'reon,suchasthelocationoftheclosestemergencyexit.●StorethingssafelyNeverputveryheavyarticlesintheoverheadstoragebins.Theymayfalloutwhensomeoneopensthebinandcauseinjury.Also,thebinmaynotbeabletoholdheavierobjectsduringtheviolentmovementsofaircausedbythewind.●KeepyourseatbeltfastenedwhileyouareseatedCabincrewalwaystellyouthis,butit'simportant.Youcouldbeseriouslyinjurediftheplanehitstheviolentmovementofairunexpectedly.Alwaysfastenyourseatbeltifyouaretoldto.Thegeneralruleofflyingisthis:Ifyouaretoldtodosomething,doitfirstandaskquestionslater.●LettheflightattendantpouryourhotdrinksFlightattendantsaretrainedtohandlehotdrinkslikecoffeeorteainacrowdedaisleonamovingaircraft,soallowthemtopourthedrinkandhandittoyou.Neverasktotakeacoffeepotfromoneofthem.1、Whatisthegeneralreasonfortheseairsafetyrules?A．Whattodointheeventofacrash.B．Howtoavoidsuddenchange.C．Howtoimprovesafetywhileyouareflying.D．Howtoavoidinjury.2、Theunderlinedphrase"Thegeneralrule"inthefifthrefersto.A．a(chǎn)nythingtheflightstafftellyoutodoB．generalsafetyadviceC．walkingaroundtheplaneD．pouringhotdrinks3、WhichofthefollowingisNOTtrue?A．largerplaneshavemoresafetychecksandaresaferinanaccident.B．Take-offsaresaferonnon-stopflightsthanlanding.C．Everyaircraftisdifferent,sothesafetyproceduresmaybedifferent.D．Seatbeltsshouldbeworntoprotectagainstsuddenchange.4、Thebesttitleshouldbe.A．ThesafestwaytotravelB．AirsafetytipsC．Non-stopRoutesD．Howtotakeaplane22．（8分）It’strulyamazingwhenwegettocovernewsofpeoplewhosingle-handedlycreatesomethingtrulysignificant.JadavPayeng,amaninhismid-fifties,haschangedasandbar（沙洲）inthemiddleofariverinAssam,India,intoahugeforest.Hisworkofthepast30yearsisbeingrecognizedbytouristsandfilm-makers,theworldover.Mulai,aJadavisknownamonglocals,startedworkonthelandin19080.Aschemewaslaunchedatthattimebythesocialforestrydepartmentofthedistrict,involvingtheplantingoftreesononly200hectares.Theprojectwascompletedafter5yearsandallthelaborersleft,exceptMulai.Dedicatedtotheforest,hestayedonandsingle-handedlylookedafterthetrees,continuingtoplantmoreofthem.Eventually,theforestexpandedto550hectares.Thisisperhapstheworld’sbiggestforestinthemiddleofariver.Mulaisaysthere’spotentialtoextendthisevenfurtherto1,000hectares.Inspired,thedepartmenthasplannedtolaunchanotherplantationprogramthisyear.Theforestisnamed“MulaiKathoni”bythelocalpeople,meaningMulai’sforest.Itishometoseveralthousandsofvarietiesoftrees.Bambooalonecoversabout300hectares.Andit’snotjusttheplants,there’swildlifelivingintheretoo.Thereareaboutfourtigers,threerhinosandmorethanahundreddeer,rabbitsandapes.Thereareinnumerablevarietiesofbirdswhocallthisplacehome,aswell.Aherdofabout100elephantsvisittheplaceeveryyearforsixmonths.Mulailivesinasmallhutneartheforest,withhiswife,twosonsandadaughter.Hemakesalivingbysellingcowandbuffalomilk.IsupposepeoplesuchasMulaiareaninspirationtotheentireworld.Ifonemancanbuildaforest,it’samazingtothinkwhatwecanachieveifweworktogether.1、WhydidMulaistayinAssamafter1983?A．Toraisehisfamily.B．Toplantmoretrees.C．Tobuildahomeonthesandbar.D．Toprotecttheanimals.2、WhichwordscanbestdescribeMulaiaccordingtoparagraph2?A．Wise,far-sighted.B．Lucky,creativeC．Devoted,ambitious.D．Modest,easy-going.3、Whatmaybethebesttitleforthetext?A．WildlifeinMulai’sForestB．IndiaStartsaPlantationProgramC．MoreEffortstoProtectOurForests.D．IndianManPlantsaWholeForestAlone.23．（8分）PinewoodStudiosislocated(位于)abouttwentymileswestofcentralLondonandnamedafterthepinetreesinthegrounds.PinewoodhasbeenattheheartofbothBritishandinternationalfilmproduction.Thehouse,HeatherdenHall,wasboughtbyCharlesBootin1934,andheandJ.ArthurRankbecamepartnersintheprojecttobuildthestudios.Pinewoodprovedpioneeringinitsuseofthe“unitsystem”thatallowedmorethanonefilmtobemadeatatime,andthisenabledPinewoodtoachievethehighestoutputofallthestudiosintheworld.ThefirstfilmtobecompletedatPinewoodwasTalkoftheDevil(1936,Reed)whiletheimmediatepostwarperiodsawsixmajorproductionsincludingthepraisedOliverTwist(1948,Lean)andTheRedShoes(1948,PowellandPress-burger).The1950ssawcountlessproductionsincludingtheDoctorseriesandmedicalcomedy,whichwerethefatherstotheCarryOnfilms:theseriesstartedwithDoctorintheHouse(1954,Thomas)andledtoafurthersixfilms.Othernotablefilmsofthe1950sageincludeThePrinceandtheShowgirl(1957Olivier)starringMarilynMonroe,CarveHerNamewithPride(1958,Gilbert),NorthWestFrontier(1959Thompson)andTheThirty-NineSteps(1959,Thomas).TheThirty-NineStepswasareworkingofJohnBuchan’snoveloriginallyfilmedbyHitchcockin1935.Becauseofitsnewideasandskills,AmericanproductioncompaniescrowdedtoPinewoodandamajorreinvestment(再投資)wasrequired.Duringthe1960s,fournewstageswerebuilttoaccommodateeveryaspectoffilmandtelevisionproduction.ThisperiodalsosawthestartoftheassociationbetweenPinewoodandtheJamesBondseries,whichstartedin1962withDrNo(Young).ThestudioshavecontinuedtoproduceimaginativeandtechnicallychallengingmaterialsuchasSuperman(1978,Donner),SupermanⅡ(1980,Lester),SupermanⅢ(1983,Lester),SupermanⅣ:TheQuestforPeace(1987,Furie),andBatman(1989,Burton).1、HowlongisthehistoryofPinewoodStudios’firstfilm?A．About60years. B．About70years.C．Morethan80years. D．Morethan100years.2、WhatmadePinewoodStudiosproducemost?A．Itsfamousactorsandactresses. B．Puttingtheunitsystemintouse.C．Itsproperlocationandtranslation. D．Theseriousattitudeofitsleaders3、Whichfilmwascompletedduringtheearlypostwarperiod?A．TheRedShoes. B．TheQuestforPeace.C．TheThirty-NineSteps. D．ThePrinceandtheShowgirl.4、Whatisthepassagemainlyabout?A．TheupsanddownsofPinewoodStudios.B．ThebestfilmsmadebyPinewoodStudios.C．ThelocationandcharactersofpinewoodStudios.D．ThehistoryandachievementsofPinewoodStudios.24．（8分）Humanshaveuniquelyexpressivefaces.Welaugh,wecry,weturnredwithfeeling.Now,scientistsreportthatblue-and-yellowmacaws(金剛鸚鵡)mayjoinusinthisclubofemotions–atleast,whenitcomestoblushing.Parrotsareknownforbeingcleverandchatty.They'reevenskilledenoughtomaketheirowntoolsandoccasionallynosetheirwayintohumanmachineslikecars.Theircuriosityandcouragearewhatmakethemexcellentpets.Soit'snosurprisethattheyhavetheirownrangeofcommunicationtools.Onthewhole,birdsarenostrangerstoblushing.Manydifferentkindsofbirdshavebeenknowntoexhibitthishehavior.Parrotownersoftennoticeitintheirpets.Themotivationsbehinditarestillamysterytoscientists,though.Tozeroinonwhymacawfacesblush,somescientistsledbyAlineBertinoftheUniversityofToursstudiedfivecaptiveblue-and-yellowmacawsastheyinteractedwitheachotherandtheirhumancaretakers.Theywereamazedtoseethathumanattentionseemedtomakethemacawsblush.Theblushingdieddownwhenthecaretakersignoredtheparrots.Facialexpressionscanbesignsofahuman'semotionalstate.Likewise,birdblushingcouldconveywell-being.It'snotquiteasobviousassmiling.Still,it'sfairlyimpressive.Afterall,thesemacawsdon'thavethesamefacialmusclesthatwedo.Thebirdsaremuchsmarterandkinderthantheylook.Theyarebelievedtobeasintelligentasmonkeys.Bertinandtheotherscientistsbelievetheirworkopensthedoortofurtherresearch.Onelimitationofthestudyisthatnomacawsinnaturalenvironmenthavebeenobserved.Thatmakesithardtodrawconclusionsaboutthebirdsasaspecies.Theyarealsonotquitesurewhattheblushingmeans.Thereisstillmoretolearnaboutthesepossibleexpressionsofemotion.1、Whichofthefollowingbestexplains"captive"inparagraph3?A．Unique.B．Talkative.C．Curious.D．Caged.2、Birdsmightblush_____________.A．whenpeopleignorethem.B．toshowtheyarehappy.C．toshowtheyarehungry.D．whensomethingupsetsthem.3、WhatisTRUEaboutscientists'reactiontomacawsblushing?A．Theyarepuzzledbyhowbirdscancommunicatewithoneanother.B．Theyaremotivatedtocontinuestudyinghowmacawsexpressemotion.C．Theyarecuriousaboutwhyotherbirdsareunabletoconveyemotion.D．Theyareinterestedtostudymonkeystoseeiftheyblushasstrongly.4、Whatisthemainideaofthetext?A．Parrotsmakeexcellentpets.B．Parrotsareskilledtomaketools.C．Themacawscancommunicatewitheachother.D．Themacawscangoredinthefacewithfeeling.25．（10分）TeenagerswhochecksocialmediaforseveralhoursadayareattheriskofdevelopingADHD(多動癥),astudyhasconcluded.Theresearchteam,fromtheUniversityofSouthernCalifornia,tracked2,600teenagersaged15and16.Theyaskedthemhowmanytimestheycheckedtheirphonesandotherdigitaldevicesforvariousreasons,andthenmonitoredthemforsymptomsofADHD．Aftertwoyears,thosewhohadcheckedtheirphonesthemostoftenweretwiceaslikelyasthosewhocheckedtheleastoftentoshowsignsofADHD．WritingintheJAMAmedicaljournal,thescientistssaid,“Modernmediadevicesimmediatelyinformuserswhennewtextmessages,socialmediapostings,orvideogameplayinvitationsarrive.Exposuretosuchinformationmaydrawattentionawayfromimportanttasks.Frequentdistractioncouldinterruptthedevelopmentofconstantattentionandorganizationskills.”Theybelieveconstantaccesstoinstantentertainmentalsohasanimpact.ResearcherProfessorAdamLeventhalsaidallpreviousresearchhadfocusedonthelinkbetweenADHDandtelevisions.“What’snewisthatpreviousstudiesonthistopicweredonemanyyearsago,whensocialmedia,mobilephones,tabletsandmobileappsdidn’texist.WecansaywithconfidencethatteenswhoareexposedtohigherlevelsofdigitalmediaaresignificantlymorelikelytodevelopADHDsymptomsinthefuture,”hesaid.Leventhalbelievesthefindingshelpfillagapinunderstandinghownewmobilemediadevicesandseeminglylimitlesscontentposeamentalhealthriskforchildren.Andthefindingsserveasawarning.Britishscientistswelcomedthefindings.ButProfessorAndyPrzybylskioftheOxfordInternetInstitutesaid,“Thestudyreliesonsurveyresponsesprovidedbythestudentsinquestion.Itisnotclearifteachersorparentswouldratethechildrensimilarlyoriftheself-reportedmeasureofdigitalscreenuseisrelatedwitheitheractualbehaviororhigherqualitysurveyitems.”1、Howdidtheresearchersconductthestudy?A．Bymonitoring2,600teenagerswithADHD．B．Bytrackingtheparticipantsfortwoyears.C．Byanalyzingdatafrompreviousresearchesonline.D．Bycontrollingdifferentteens’timespentonsocialmedia.2、WhatdoesLeventhalthinkoftheexposuretohigherlevelsofdigitalmedia?A．ItwillcausediverseADHDsymptoms.B．ItwillcreatehigherADHDrisks.C．Itwillweakenteenagers’confidence.D．Itwillhaveamajorinfluenceonorganizationskills.3、WhatdoesProfessorAndyPrzybylskithinkofthestudy?A．Itprovidesabetterunderstandingofthemedia.B．Itshouldhavefocusedonparents’responses.C．Itsfindingsarenotreliableenough.D．It’sabreakthroughinthisfield.4、Whatcanbeasuitabletitleforthetext?A．TheuseofdigitalmediaisontheriseB．TeensareincreasinglyexposedtoADHDC．HeavyuseofsocialmediamayincreaseADHDrisksD．Teens’exposuretomodernmediacallsmoreattention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）完形填空Thismorning,Iarrivedatmyofficeearliertocatchuponsomeemails.Onthewayto1,Icouldn’t2itwhenIsawsomebeautifulflowersatthegrocerystore.Ipickedsomeup,3afewchocolatebars.Withtheofficesoempty,Idecidedtotakethe4toputthechocolatebarsonsomedesks.Istartedheadingtowardsareas5noonehadcomeyet.I6oneandasmilecardontheCEO’sdesk.AndthenIwenttohis7deskandplacedonethere,andquicklyputathirdoneonthedeskofaquietgentleman.Later,Ienteredthekitchen,8twocupsofwaterandwalkedintothe9Itookouttheflowersfrommybagand10themintwobunches,oneineachcup.Withalittlesighof11,Isteppedoutoftherestroomandlookedaround.Theofficewasstill12emptyandthepeopleclosesttomewere13withaMondaymorning“Howwasyourweekend?”14I15andwentbacktomydesk.Itstruckmethatmyhousematewhohadpackedmylunchformeso16todaysnuck(偷偷地給)achocolatebarinthere,soI17placeitonthedeskofourreceptionisttocompletethecircleasIheadedoutoftheofficethisevening.Ourreceptionistisalwaysthefirstpersonintheoffice,andshealways18mewithasmilewhenIcomein.Maybetomorrowmorning,this19cangreether.Ihaveno20howtheyfeelwhenreceivingthegifts,buttheywillsurelysmile!1、A．work B．job C．company D．business2、A．stop B．help C．get D．a(chǎn)fford3、A．regardlessof B．a(chǎn)longwith C．exceptfor D．insteadof4、A．a(chǎn)dventure B．a(chǎn)uthority C．possibility D．opportunity5、A．when B．because C．though D．where6、A．chose B．placed C．delivered D．carried7、A．wife’s B．manager’s C．a(chǎn)ssistant’s D．director’s8、A．discovered B．ordered C．filled D．emptied9、A．restroom B．meetingroom C．smokingarea D．officeroom10、A．a(chǎn)pplied B．a(chǎn)djusted C．a(chǎn)rranged D．a(chǎn)ttached11、A．regret B．concern C．relief D．excitement12、A．especially B．thoroughly C．totally D．pretty13、A．concerned B．a(chǎn)ccustomed C．limited D．occupied14、A．conversation B．congratulation C．consideration D．condition15、A．a(chǎn)mazed B．smiled C．delighted D．celebrated16、A．sweetly B．obviously C．wildly D．fortunately17、A．need B．could C．must D．dare18、A．waves B．nods C．greets D．meets19、A．gift B．performance C．flower D．method20、A．opinion B．point C．view D．idea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）Bangkokisoneofthemostpopulartouristspotsintheworld.Therearegoodreasonswhysomanypeople1．(draw)toit.TheimpressivenessofThaicultureshinesforthinBangkok’sbuildingsandtemples.Forthosewhowouldlike2．(shop)tilltheydrop,thecityoffersuseaofstoresandstreetstalls.3．yourinterestsare,Bangkokneverdisappointsyou.Ifthere’s4．placeinBangkokthatyoumustsee,thatistheGrandPalace.For150years,thiscomplexofwalledbuildingsservedashome5．Thaikingsandtheroyalcourt.Today,theGrandPalaceisnolongertheseatofthegovernment,butitsuniquemixofEuropeanandThaibuildingstylesstillcommands6．(admire).NeartheGrandPalaceisWatPho,atemplewell7．(celebrate)forits46-meter-longgoldenBuddha.Thestatue’ssize,aswellasthe8．(symbol)thatdecoratethesolesofitsfeet,impressesvisitorsfromaroundtheworld.9．(tradition),WatPhoisalsoknownforbeingThailand’stopmassageschool.Therefore,it’sagreatplaceforarelaxingThaimassage,during10．you’llhaveyourlimbsstretchedinavarietyofdirections.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。Alotofyoungpeopletodayfinditdifficulttogetthejob,especiallyinthefirstfewmonthaftertheyleaveschool、Actual,insomepartsofthecountry60oreven70percentoftheyoungpeoplewillbewithoutajobforawholeyearafterleftschool、OurJobsInformationServiceCenterhadbeenintouchwiththousandsofyoungpeopleoverthelasttwoandthreeyears,talkingtothemabouttheirhopesandtheirfears、Andinthefact,wehavebeenabletogivealotofhelpandadvicetoyoungpeoplehavejustleftschool、Ifyouwouldliketotalktothem,wearehere、Pleasephone439-560-0888anydayat9:00amand5:30pm、177第二節(jié)書面表達(dá)（滿分25分）29．（25分）假定你是李華，想邀請來自英國的交換生Max一同參加中國京劇(PekingOpera)展覽。請給他寫封郵件，內(nèi)容包括：1.時間、地點2.活動內(nèi)容注意:1.詞數(shù)100左右2.可以適當(dāng)增加細(xì)節(jié)，以使行文連貫。_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

參考答案第一部分（共20小題，每小題1.5分，滿分30分）1、A2、B3、C4、B5、C6、D7、A8、C9、D10、C11、B12、C13、A14、A15、A16、D17、C18、B19、C20、A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、Spaceiswhereourfutureis—tripstotheMoon,Marsandbeyond.Mostpeoplewouldthinkthatasidefromcomets(彗星)andstars,thereislittleelseoutthere.But,sinceourspacejourneystartedwehaveleftsomuchtrash（垃圾）therethatscientistsarenowconcernedthatifwedon'tcleanitup,wemayallbeinmortal（致命的）danger.Thefirstpieceofspacejunkwascreatedin1964,whentheAmericansatelliteVanguardIstoppedoperatingandlostitsconnectionwiththegroundcenter.However,sinceitkeptorbitingaroundtheEarthwithoutanyconsequences,scientistsbecameincreasinglycomfortableabandoning（拋棄）thingsthatnolongerservedanyusefulpurposeinspace.Itisestimated（估計）thattherearenowover500,000piecesofman-madetrashorbitingtheEarthatspeedsofupto17,500milesperhour.Thejunkvariesfromtinypiecesofpaintchippedoffrocketstocameras,hugefueltanks,andevenodditemslikethemillion-dollartoolkitthatastronautHeidemarieStefanyshynPiperlostduringaspacewalk.Themajorproblemwiththespacetrashisthatitmayhitworkingsat