重庆市江津区永兴初级中学2025届高考英语倒计时模拟卷含解析

重庆市江津区永兴初级中学2025届高考英语倒计时模拟卷考生请注意：1．答题前请将考场、试室号、座位号、考生号、姓名写在试卷密封线内，不得在试卷上作任何标记。2．第一部分选择题每小题选出答案后，需将答案写在试卷指定的括号内，第二部分非选择题答案写在试卷题目指定的位置上。3．考生必须保证答题卡的整洁。考试结束后，请将本试卷和答题卡一并交回。第一部分（共20小题，每小题1.5分，满分30分）1．PeopleexpectShanghaiDisneylandParktoofferbetterservicethan________ofTokyo’s.A．this B．it C．one D．that2．—DidMaxgototheconcertwithhisfamilyyesterday?—Thereportscheduledtobehandedintomorrow,he_______it.A．couldn’thaveattended B．needn’thaveattendedC．wouldn’tattend D．shouldn’tattend3．Thesediagramsareespeciallyhelpfulwhenwehaveaconcreteproblem______athand.A．besolvedB．tosolveC．solvedD．beingsolved4．Salesdirectorisaposition_______communicationabilityisjustasimportantassaleskills.A．which B．thatC．when D．where5．－Theonlineshopkeeperhasmadeanapologyforhisrudebehavior.－OK.Ifyou’restillnotsatisfied,youcan_______compensation.A．claim B．affordC．sacrifice D．dismiss6．---Butforyourtimelywarning,weintogreattrouble.---Well,youknowwe’refriends.A．wouldget B．musthavegot C．wouldhavegot D．can’thavegot7．I______forShanghaithisSaturday,soIwanttoknowwhentheearliestplane______.A．leave;takesoffB．amleaving;takesoffC．leave;istakingoffD．amleaving;istakingoff8．Iwantedsomemorecoldmeatbuttherewas_____left.A．none B．noone C．any D．some9．----Therewon’tbeanywheretopark.----Oh,_______.Let’strythesubway.A．that’sarealbargainB．that’sagoodpointC．that’sreallysomethingD．that’sallsettled10．---Excuseme,wouldyouplease______mesomepetrol?---Sorry.Ihaveonlyalittleleftinmycar.A．spareB．saveC．shareD．spend11．henewly-discoveredstarwasnamed_____aChineseastronomer________hiscontributionstoastronomy.A．for;infavorof B．after;inhonorofC．by;inmemoryof D．as;inpraiseof12．Mr.Greenwasveryfamouswhenhelivedthere.Thereis______tobesomeoneinthisdistrictwhoremembershim.A．content B．opposedC．bound D．restricted13．----Whatdoyouthinkofzoology?----Inmyopinion,zoologyis______botany.A．asubjectsointerestingasB．asainterestingsubjectasC．asinterestingasubjectasD．interestingasasubjectas14．Theyaredeterminedtogointothedarkcave,________mywarningofdanger.A．regardlessofB．becauseofC．apartfromD．insteadof15．Manypeoplecomplainedaboutthestoneslyingonaroad,but_______didanythingaboutgettingthestonesoutoftheway.A．both B．noone C．none D．all16．Theaccidenthavebeencausedbyadogrunningacrosstheroad,butwedon’tknowforsure.A．might B．shouldC．will D．must17．Ihavetorescheduletheappointmentwithyousincethereisa______inmyarrangement.A．contract B．contrast C．connection D．conflict18．Hewaselected______presidentofthecompany,and_____newscame,infact,as______surprise.A．a;the;X B．X;the;a C．a;X;the D．the;the;a19．—I’mtiredout.Ican’trunanyfurther,Tom.—________!Mike.I’msureyoucandoit.A．Comeon B．NohurryC．Noproblem D．Welldone20．Bobwastryingto________thatheknewthefamoussingerwhowouldperforminourcity.A．letout B．layoutC．figureout D．makeout第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21．（6分）TheZHotelisintheheartofLondon’sWestEndandhascomfortableaccommodationinacontemporarydesign.Allroomsincludehandcraftedbeds,48-inchSamsungHDTVswithfreeSkySportsandMoviechannels,andfreeWi-Fi.Eachroomalsohasunder-bedstorageforanovernightbag,andwall-mountedhangingspaceforclothing.TheZHotelalsoofferswheelchairaccessiblerooms.ContinentalbreakfastisservedinTheZCaféeverymorning,includingsmokedsalmon,freshbread,freshfruitsaladandbaconrolls.Aselectionofsalads,sandwichesandhotdishesareonofferthroughouttheday.Thehotelisa5-minutewalkfromPrinceofWalesTheatreandChinatownLondon,LeicesterSquare,PiccadillyCircusandTrafalgarSquare.HeathrowAirportcanbereacheddirectlyfromPiccadillyCircusUndergroundStation.Thisisourguests’favoritepartofLondon,accordingtoindependentreviews.Thisareaisalsogreatforshopping,withpopularbrandsnearby:Apple,H&M,Zara,BurberryandChanel.TheZHotelisratedforthebestvalueinLondon!Guestsaregettingmorefortheirmoneywhencomparedtootherhotelsinthiscity.Comeandstaywithus!Mostpopularfacilities:◆luggagestorage◆Heating◆FreeWi-Fi◆Airconditioning◆24-hourfrontdesk◆Dailymaidservice◆Parking◆LiftPrices:RoomtypePricesOptionsDoubleroom--non-smoking￡179·Non-refundable(不退款)·GoodBreakfast￡9.50TwinRoom--non-smoking￡185·Non-refundable·GoodBreakfast￡9.50QueenRoom--disabilityaccess￡219·Payatthehotel·GoodBreakfastincluded572、Whenstayinginthishotel,youwillenjoyallofthefollowingEXCEPT________.A．freeWi-Fi B．aTVwithsomefreechannelsC．airportpick-upservice D．under-bedstoragespace1、Ifamaninawheelchairwantstostayinthishotelfortwonights,heshouldpay________.A．￡438 B．￡404C．￡358 D．￡3702、Fromthepassagewecanlearn________.A．thehotelisclosetoHeathrowAirportB．thehotelservesChinese-stylebreakfastC．thehotelisgoodvalueforguests’moneyD．thereisashopwithpopularbrandsinthehotel22．（8分）We’veallbeenthere:thosetimesyouneedtoargueyourpointofviewtosomeonewhoyouknowdisagreeswithyou.Youimmediatelygotoyourkeyboardandstarttotypeoutthat280-charactertweet,theFacebookreply,oraparagraphs-longemail.Surelythereason,logic,andstrongpowerofyourwrittenwordswillconvincewhoeveritiswhodisagreeswithyoutoseeyourpointofview.Butnewresearchsuggestsadifferentidea.ThatresearchwasconductedbyJulianaSchroeder,assistantprofessorofUniversityofCalifornia,Berkeley,andhercolleagues.InSchroeder’sstudyofalmost300people,participantswereaskedtowatch,listen,andreadargumentsaboutsubjectstheyagreedordisagreedwith.Theywereaskedtojudgethecharacterofthecommunicatorandthequalityoftheargument.Schroeder’steamfoundthattheparticipantswhowatchedorlistenedtothecommunicatorwerelessdismissive(抵触的)oftheirclaimsthanwhentheyreadthatcommunicator’ssameargument.Theideaforherstudycamefromanewspaperarticleaboutapolitician.Oneofusreadaspeechthatwasprintedinanewspaperfromapoliticianwithwhomhestronglydisagreed.Thenextweek,heheardtheexactsamespeechplayingonaradiostation.Hewasshockedbyhowdifferenthisreactionwastowardthepoliticianwhenhereadthespeechcomparedtowhenheheardit.Whenhereadthestatement,thepoliticianseemedidiotic,butwhenhehearditspoken,thepoliticianactuallysoundedreasonable.Sointheworkplace,speakingtosomeoneinpersonofteninvolvesnothingmorethanwalkingafewdoorsdowntotheiroffice.Andthat’sexactlywhatyoushoulddoifyouneedtoconvincethatbossorcolleagueofwhyyourblueprintforthecompanyorprojectistherightone.Onlyasalastwayshouldyoutrytocommunicatewithsomeonewhoyoudisagreewithoversocialmedia.Twitter’slimitedtextallowanceandsocialmediausers’shortattentionmakearguingyourpointanuphillbattle.1、What’stheresultoftheresearch?A．Writtenwordsaremorelogicalandreasonable.B．Peopleprefertocommunicatewithkeyboard.C．Whenreadinganargument,theparticipantswerelessdismissivethanhearingit.D．Oral,notwritten,communicationworksbetter.2、Whyisthepoliticianmentionedinparagraph3?A．Tointroducethetopicfordiscussion.B．Tosummarizethepreviousparagraphs.C．ToexplainwhySchroederconductedtheresearch.D．Tointroducethepolitician’sspeech.3、Whatdoestheunderlinedword“idiotic’’inparagraph3mean?A．Wise. B．Practical. C．Silly. D．Special.4、Whatcanweinferfromthelasttwoparagraphs?A．Topersuadeyourboss,youneedtowalktohisofficeandleaveamessage.B．It’sdifficulttofullyexplainyourpointsduetosocialmedia’slimitation.C．Arguingoversocialmediaismoreconvenientthanspeakinginperson.D．Communicatingwithothersoversocialmediaisencouraged.23．（8分）SusanBrownellAnthonywasaladyaheadofhertime.Shefoughtforwomen'srightslongbeforeitbecameapopularevent.SusanwasbornonFebruary15,1820,inAdams,Massachusetts.Atthattime,womenhadfewrights.Theycouldnotownproperty（财产）.Moneyearnedbyamarriedwomanbelongedtoherhusband.Majordecisionsinvolvingchildrenweremadebythefathers.Womencouldnotvote.Attheageof15,Susanbecameaschoolteacher.Shetaughtfor15years.Thenshebeganorganizingwomen'sgroupstopromoterightsthatwereimportanttowomen.Shehelpedgainbettereducationalrightsforwomen.Shehelpedgivemarriedwomenpossessionoftheirearnings.AftertheCivilWar,Susanbecameveryinvolvedinthewomen'svotingmovement.Afteryearsoflecturing,writing,andappealingbySusanandotherwomen,somepartsoftheUnitedStateschangedtheirlawstogivewomentherighttovote.ThefirststatewasWyomingin1869.OtherareasandstatesgraduallyfollowedWyoming'sdecision.Itwasnotuntil1920thattheU.S.Constitution（宪法）waschangedtogiveallwomenvotingrights.SusanBrownellAnthonydiedin1906attheageof86.ShewaselectedtotheHallofFameforGreatAmericansin1950.ShewasthefirstAmericanwomantohavealikeness（肖像）ofherfaceonacoin.Itwasthe1979SusanBrownellAnthonydollar.1、WhatwasthesituationofAmericanwomenlikewhenSusanwasborn？A．Theyhadlowsocialplace.B．Theycouldvoteaftergettingmarried.C．Theymanagedmoneyfortheirhusbands.D．Theywereresponsiblefordecision-making.2、Whatisthethirdparagraphmainlyabout？A．Susan'steachingexperiences.B．Susan'seducationalbackground.C．Susan'seffortstostopslavery.D．Susan'sfightingforwomen'srights.3、Whatdoestheunderlinedword"decision"inthefourthparagraphreferto？A．Promotingthesocialmovement.B．ChangingtheU.S.Constitution.C．Givingwomenvotingrights.D．Unitingotherareasandstates.4、Whatmaybethebesttitleforthepassage？A．ThefirstAmericanwomantoinventcoinsB．Theproblemofwomen'srightsintheU.S.C．ThemostpopularwomenorganizationD．Apioneerinfightingforwomen'srights24．（8分）Statistically,airtravelisbyfarthesafestwaytotravelandyoucanmakeflyingevensafer,justbyfollowingthesesimplerules．Asyourchancesofbeinginvolvedinanairaccidentarepracticallynil（零）,manyoftheserulesconcernwhatyoushouldandshouldn’tdotomakeyourjourneysaferwhenyouareintheair.●Flyonnon-stoproutesMostaccidentsoccurduringthetakeoff,climb,descentandlandingperiodofaflight,soflyingnon-stopreducesyourexposuretothesecomplicatedprocedures.●ChooselargeraircraftAlthoughsmallaircraftshaveverygoodsafetyrecords,thosewithmorethan30passengerseatsaredesignedtocomply（遵守）withmuchstricterregulationsandaretestedmoreregularlytomakesuretheystillcomply.Also,intheunlikelyeventofaseriousaccident,largeraircraftsprovideabetteropportunityforpassengersurvival.●Payattentiontothepre-flightsafetybriefing（简报）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．anythingtheflightstafftellyoutodoB．generalsafetyadviceC．walkingaroundtheplaneD．pouringhotdrinks3、WhichofthefollowingisNOTtrue?A．largerplaneshavemoresafetychecksandaresaferinanaccident.B．Take-offsaresaferonnon-stopflightsthanlanding.C．Everyaircraftisdifferent,sothesafetyproceduresmaybedifferent.D．Seatbeltsshouldbeworntoprotectagainstsuddenchange.4、Thebesttitleshouldbe.A．ThesafestwaytotravelB．AirsafetytipsC．Non-stopRoutesD．Howtotakeaplane25．（10分）TheHongKong-Zhuhai-MacauBridge,theworld'slongestsea-basedproject,comprisesfourparts:a22.9-kilometersteelbridge,twoartificialislands,asubmergedseatunnelextendingfor6.7kilometers,aswellasleadingbridgesthatconnectthebridgetothecities.Forabridgeproject,designersprefertobuildallthestructureontheground,andonlychoosethetunnelwhenthereisnoalternative.However,fortheHZMB,themostpracticaldesignistointegratebridge,islandandtunneltoformacompletecross-seachannel."ThePearlRiverEstuary（河口）holdsaworld-levelshippingchannel.Smoothtrafficshouldbeguaranteed.AndthelocationisneartheHongKongInternationalAirport.Withabout2,000flightstakingoffandlandingattheairport,thebridgecannotbebuilttoohighforsafetyreasons/5saidMengFanchao,chiefdesigneroftheproject.“Butyoucannothaveasubmergedseatunnelwithoutanysupport.Thatforcedustobuildtheartificialislands.”Chineseengineersdeclaredatrailininstallingdeep-immersedtunneltubes.6tThereisnomodelforustorefertoasallthecasesareshallow-buriedtubes,9,saidMeng."Forlackofexperience,theinstallationofthefirsttubelastedfor96hours,"saidYinHaiqing,deputymanageroftheProjectManagementDepartment.''Everyonewasexhaustedwhenwemadeit.”The6.7-kilometertunnelistheworld'slongestsubmergedseatunnel.Twoartificialislands,coveringanareaof200,000squaremeters,helpcreateasmoothtransitionbetweenbridgesectionsandtunnels.Differentfromtraditionalisland,theengineersput120steelcylinders（圆柱）witha22-meterdiameter（直径）intotheseabed,makeouttheshapeofanisland,andfilltheislandwithsoil.Itisaninnovativewaytheyadoptedtobuildtheartificialisland,makingitfirmer,moreefficientandfriendlytothemarineecology.TheHZMBprovidesafixedlinkbetweenthetwoChineseeconomiccentresHongKongandMacauandthemainlandofChinaatZhuhai.1、Whyisn'tthebridgebuilttoohigh?A．Thebridgehasn'tanysupport. B．Itisn'tsafetobuildittoohigh.C．Theengineerslackexperience. D．Theengineerswanttomakeitspecial.2、WhatcanweknowabouttheHZMBfromthetext?A．AllthestructureoftheHZMBisbuiltontheground.B．The6.7-kilometretunnelistheworld'slongesttunnel.C．TheHZMBisthefirsttoinstalldeep-immersedtunneltubes.D．Theinstallationofthefirsttunneltubefailedforthefirsttime.3、What’sthefunctionoftwoartificialislands?A．Todeclareatrailinbuildingasea-basedbridge.B．Topreventthepollutionfromaffectingthemarineecology.C．Toensuresmoothtrafficbetweenbridgesectionsandtunnels.D．Toguaranteethesafetyoftheshipsgoingthroughtheestuary.4、Whattypeofwritingisthistext?A．Anadvertisement. B．Sciencefiction.C．Anannouncement. D．Anewsreport.第三部分语言知识运用（共两节）第一节（每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项．26．（30分）IstoppedspeakingbecauseIfoundmyselfarguingallthetime.AfterwitnessinganoilspillinSanFranciscoBay,I1usingvehiclesandstartedwalkingeverywhereasastatementabout2.Ioftenkeptgettinginto3aboutwhetheronecouldmakea4andarguedabouthoweveryoneshoulddowhatIwasdoing.Onmy27thbirthday,Idecidednottospeakforoneday,asakindof5tomycommunity.WhenIwokeupthenextday,Ididn'tseeany6tospeak,soIdidn't.Aweeklater,peoplestartedgetting7.Mygirlfriendwantedmetostop.Myparentsevengotangrywithme.ButIdidn'tchangemyidea.Onthe10thanniversaryofnot8，Ispokeforaday.Ididn'twantittofeelasifitwasn'ta9.IwasinCaliforniaandI10myparents.Mymotherpickedupandthoughtitwasmybrother11around.Ihadtoproveitwasmebytellinghersomethingonlyweknew.12notspeakingfor17years,IfeltIhadsomethingtosay.Peoplecameto13me.Myfirstwordswere,“Thankyouforbeinghere.”ButIdidn'trecognizemy14.Havinglistenedtothousandsofpeople,Irealizedwehada15viewoftheenvironment.Peoplealwaysthinkit'saboutplantingmoretrees,butit'smorethanthat;it'sabouthowwetreateachother,andthatalso16economicequalityandcivilrights.NowIgivetalksaroundtheworld.Istartedusing17again.Istillpractisebeing18everymorning.Itremindsmetolisten19；nottojudgewhatIthinkI'mhearing,buttotrytounderstandwhatpeoplearereally20.1、A．turnedtoB．thoughtaboutC．gaveupD．insistedon2、A．pollutionB．wasteC．exerciseD．support3、A．fightsB．trapsC．dilemmasD．debates4、A．promiseB．differenceC．planD．living5、A．encouragementB．beliefC．punishmentD．gift6、A．reasonB．signC．chanceD．language7、A．puzzledB．disappointedC．worriedD．interested8、A．arguingB．ridingC．speakingD．failing9、A．warningB．disadvantageC．strengthD．choice10、A．missedB．calledC．visitedD．thanked11、A．walkingB．comingC．messingD．hanging12、A．ThoughB．OnceC．IfD．After13、A．hearB．comfortC．instructD．help14、A．parentsB．voiceC．photoD．handwriting15、A．validB．correctC．narrowD．universal16、A．provesB．includesC．improvesD．insures17、A．phonesB．computersC．loudspeakersD．vehicles18、A．silentB．deafC．friendlyD．patient19、A．constantlyB．properlyC．largelyD．merely20、A．worryingB．doingC．advisingD．saying第二节（每小题1.5分，满分15分）阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。27．（15分）IntheUSAthehighschoolgraduationceremonyisofgreat1．(important).12thgradestudents,orseniors,whoareabout17or18yearsold,lookforwardto2．(attend)thisevent.ThegraduationceremonyitselftakesplaceattheendofMayorbeginningofJune,whichusually3．(include)musicawards,andaguestspeaker.Afterthespeech,studentswalktothefrontoftheroomtoreceivetheirdiplomasfromtheheadmaster.Studentsstartpreparingforgraduationalongtime4．ithappens.Theyorderringsdesigned5．(special)fortheirclass.Anothertraditionistohavetheirphotographs6．(take).Thesephotographsareused7．theclassyearbook,whichisaprintedbookaboutallthestudentsintheschool.Studentshavespecialcardscalledannouncementsprintedtosendtofriendsandrelativestotellthemabouttheirgraduation.Thecardsofteninclude8．invitationtotheceremony.Ifyoureceiveit,youshouldsendapresent9．moneytothegraduate.Afewweeksbeforetheceremony,thestudentsaremeasuredthecapthattheywillwearattheceremony.Aftertheceremony,10．(family)usuallyhavegraduationpartiesforfriendsandrelatives.It’sadayandanightthathighschoolseniorsrememberforalongtime.第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）文中共有10处语言错误，每句中城多有两处。错误涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。删除：把多余的词用斜线（\）划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。注意：1.每处错误及其修改均仅限一词；2.只允许修改10处，多者（从第11处起）不计分。Livingwithoutanaimislikesailingwithoutcompass.Ifthereisnoaim,wewillgetlose.Lastterm,Icouldn’tacceptthetruthwhichIfailedinmymathexamination.Idecidedtogiveitup,soIskippedfromclassesfrequently.Consideredmycase,myteacherofferedmeseveraldetailedapproachandadvisedmetosetashort-termgoaltoimprovemymath.Finally,Iworkharderthaneverandmadegreatprogressinhermath.Inmyopinion,successliesinaseriesofgoals.However,weshouldremembertomakeourtargetsclearlyandtryourbesttorealizeourdreams.第二节书面表达（满分25分）29．（25分）假设你是李华，你的外国朋友Tom即将作为交换生来中国学习一年。在中国期间，他想要下载一款新媒体软件来跟中国的同学朋友交流。请根据以下内容写一封信，向他推荐WeChat这款软件。写作内容:1.写信目的2.介绍软件及推荐理由3.结尾段注意:1.词数100左右；2.可以适当增加细节，以使行文连贯；3.开头语已为你写好。DearTom,________________________________________________________________________________________________________________________________________________________Yoursfaithfully,LiHua

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、D2、A3、B4、D5、A6、C7、B8、A9、B10、A11、B12、C13、C14、A15、C16、A17、D18、B19、A20、D第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21、572、C1、A2、C22、1、D2、C3、C4、B23、1、A2、D3、C4、D24、Spaceiswhereourfutureis—tripstotheMoon,Marsandbeyond.Mostpeoplewouldthinkthatasidefromcomets(彗星)andstars,thereislittleelseoutthere.But,sinceourspacejourneystartedwehaveleftsomuchtrash（垃圾）therethatscientistsarenowconcernedthatifwedon'tcleanitup,wemayallbeinmortal（致命的）danger.Thefirstpieceofspacejunkwascreatedin1964,whentheAmericansatelliteVanguardIstoppedoperatingandlostitsconnectionwiththegroundcenter.However,sinceitkeptorbitingaroundtheEarthwithoutanyconsequences,scientistsbecameincreasinglycomfortableabandoning（抛弃）thingsthatnolongerservedanyusefulpurposeinspace.Itisestimated（估计）thattherearenowover500,000piecesofman-madetrashorbitingtheEarthatspeedsofupto17,500milesperhour.Thejunkvariesfromtinypiecesofpaintchippedoffrocketstocameras,hugefueltanks,andevenodditemslikethemillion-dollartoolkitthatastronautHeidemarieStefanyshynPiperlostduringaspacewalk.Themajorproblemwiththespacetrashisthatitmayhitworkingsatellitesanddamagetravelingspacecraft(飞船).Moreover,piecesofjunkmaycollide（碰撞）witheachotherandbreakintopieceswhichfallbacktotheEarth.Toavoidthis,scientistshaveinventedseveralwaysforclearin