遼寧省本溪中學(xué)2023學(xué)年高考壓軸卷英語試卷（含答案解析）

2023高考英語模擬試卷注意事項：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，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，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．Thisfilmisverywithyoungpeople,whichtellsareallyromanticstory.A．familiarB．popularC．similarD．particular2．Aftertalkingwithherteacherforaboutanhour,shefeltrelievedandbegantoknowhowtothiskindofsituation.A．handleB．raiseC．exploreD．strengthen3．Heworksveryhardinordertogethimself______intoakeyuniversity.A．a(chǎn)ccepted B．received C．a(chǎn)nnounced D．a(chǎn)dmitted4．Mydaughter,_________allkindsofmeat,wouldnotliketoeatanyvegetable,whichworriesmealot.A．devotedto B．a(chǎn)ddictedto C．a(chǎn)ccustomedto D．exposedto5．____whichuniversitytoattend,thegirlaskedherteacherforadvice.A．Notknowing B．Knowingnot C．Notknown D．Knownnot6．—DidMaxgototheconcertwithhisfamilyyesterday?—Thereportscheduledtobehandedintomorrow,he_______it.A．couldn’thaveattended B．needn’thaveattendedC．wouldn’tattend D．shouldn’tattend7．,hetalksalotabouthisfavoritesingersafterclass.A．Aquietstudentashemay B．QuietstudentashemaybeC．Beaquietstudentashemay D．Quietashemaybeastudent8．Itisthebusdriverwhoshould______thesafetyofthepassengers.A．a(chǎn)nswerforB．searchforC．standforD．gofor9．Sheissuchanirritatingwoman,Idon’tknowhowyoucan______her.A．putup B．standwith C．standupto D．putupwith10．—Whydidn’tyoutrytofinishthecomposition?—Itriedto,but________Icould,thebellranannouncingtheendoftheexamination.A．until B．whenC．a(chǎn)fter D．before11．Ourclassheldafierce________astowhethertoreducetheamountofhomeworkornot.A．bargainB．competitionC．debateD．campaign12．Accordingtoarecentstudy,thehighschoolgraduationrateforblackmenhasfallenby43percent,while________ofblackwomenhasrisenby56percent.A．that B．whatC．one D．which13．IwillgotoBeijingonbusinesstomorrow,doyouhaveanything____toyoursonstudyinginPekingUniversity?A．tobetaken B．totake C．taken D．beingtaken14．——Willyourequireanythingelse?——Yes,Ilikeawhisky.A．will B．shall C．should D．might15．Thegeneralsecretarystressedthatwhathehadjustsaidwasonlyhis_________view,notofficialintentions.A．private B．separate C．personal D．single16．Halfwaythroughthechapter____Ididn’ttakeanythingin.A．didIrealize B．hadIrealizedC．Irealized D．Iwouldrealize17．---Areyousatisfiedwiththishouse?----________.Wecan’thaveaniceroneA．NotalittleB．NotabitC．AlittleD．Abit18．moreabouttheplacewhereyoulive,andyouwillshouldermoreresponsibilitytoprotectitA．LearningB．TolearnC．LearnD．Learned19．Therealwinnersinsportarethosewhoknowhowtopersevereandtobehavewith________—whethertheywinorloseagame.A．certaintyB．cautionC．dignityD．independence20．Thelanguageinthecompany’sstatementishighly________,thusmakingitsstaffconfused.A．a(chǎn)mbiguousB．a(chǎn)pparentC．a(chǎn)ppropriateD．a(chǎn)ggressive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）Fairytalesperformmanyfunctions.Theyentertain,encourageimaginationandteachproblem—solvingskills.Theycanalsoprovidemorallessons,highlightingthedangersoffailingtofollowthesocialcodesthatlethumanbeingscoexistinharmony.Suchmorallessonsmaynotmeanmuchtoarobot,butateamofresearchersatGeorgiaInstituteofTechnologybelievesithasfoundawaytousethefairytalesasmorallessonsthatAI(artificialintelligence)cantaketoitscold,mechanicalheart.Thecollectedstoriesofdifferentculturesteachchildrenhowtobehaveinsociallyacceptablewayswithexamplesofproperandimproperbehaviorinfables,novelsandotherliterature.WebelievestorycomprehensioninrobotscanpreventtheintelligentrobotsfromkillinghumanitywhichwaspredictedandfearedbysomeofthebiggestnamesintechnologyincludingStephenHawkingandBillGates.Thissystemiscalled“Quixote”(堂吉訶德).ItcollectsstoryplotsfromtheInternetandthenusesthosestoriestoteachrobotshowtobehave.Theexperimentdonebythedesignersinvolvesgoingtoadrugstoretopurchasesomemedicineforahumanwhoneedstogetitassoonaspossible.Therobothasthreeoptions.Itcanwaitinline;itcaninteractwiththestorekeeperpolitelyandpurchasethemedicinewithpriority;oritcanstealthemedicineandescape.Withoutanyfurtherdirectives(指令),therobotwillcometotheconclusionthatthemostefficientmeansofobtainingthemedicineistostealit.ButQuixoteoffersarewardforwaitinginlineandpolitelypurchasingthemedicineandapunishmentforstealingit.Inthisway,therobotwilllearnthemoralwaytobehaveonthatoccasion.Quixotewouldworkbestonarobotthathasaverylimitedfunction.It’sababystepinthedirectionofteachingmoremorallessonsintorobots.WebelievethatAIhastobetrainedtoadoptthevaluesofaparticularsociety,andindoingso,itwillstrivetoavoidunacceptablebehavior.Givingrobotstheabilitytoreadandunderstandourstoriesmaybethemostefficientmeans.1、Whatfunctiondofairytalesperformintherobots?A．Theyentertainrobots.B．Theyhighlightdangers.C．Theymakerobotsmoreintelligent.D．Theyenablerobotstobehavemorally.2、Whatis“Quixote”inthetext?A．ApunishmentsystemB．AcharacterinliteratureC．AbignameintechnologyD．Asoftwareeducatingrobots.3、Whatdoesthedesignerexpectrobottodointheexperiment?A．Totakeadvantageofitsprivilege.B．Tofinishthetaskmostefficiently.C．Toperforminagoodmanneredway.D．Toberewardedbythestorekeeper14、Whichofthefollowcanbestexpresstheauthor’sopinion?A．Robotswilldefinitelyhavemorefunctions.B．Robotswithhuman’semotionsareperfect.C．Trainingrobotstobesociallyacceptableisnecessary.D．Thedevelopmentofrobotsisstillinababystep.22．（8分）XXX:TheReturnofXanderCageReleasedate:January20,2017Starring:VinDiesel,RubyRose,NinaDobrev,DonnieYen,KrisWuRating:★★★★Plot:XanderCage(VinDiesel)isleftfordeathafteranincident,andthenhesecretlyreturnstoactionforatoughassignmentdesignedforhim.JourneytotheWest:ConqueringtheDemons(妖魔)IIReleasedate:January28,2017Starring:KrisWu,KennyLin,YaoChen,JellyLinRating:★★★★Plot:Thefilmisasequel(續(xù)集)tothe2013film,JourneytotheWest:ConqueringtheDemons,whichwasdirectedbyStephenChow.TangSanzang(KrisWu),alongwithhisthreedisciples,setsoutontheJourneytotheWest.Althoughtheyappeartobeharmonious,inreality,theyareplottingagainsteachother.Afteraseriesofadventureswheretheycapturedemons,theystarttounderstandoneanother’spainsandheart,andfinallysolvetheirinternalconflicts,workingtogethertobecomethemostuniteddemon-killingteam.LivebyNightReleasedate:January13,2017Starring:BenAffleck,ScottEastwood,ZoeSaldana,ElleFaningRating:★★★Plot:IntheProhibitionEra,JoeCoughlin,theprodigalsonofaBostonpolicecaptain,becomesabootleggerandlater,anotoriousgangster(惡棍).TheVillageofNoReturnReleasedate:January28,2017Starring:Hsuchi,WangQianyuan,Hsiao-chuanChang,EricTsangRating:★★Plot:Inabeautifulandquietvillage,anuninvitedguestandmysterioustreasureappear,makingaseriesoffunnystorieshappen.1、Whichfilmcanyouseeifyou’refreeonJan.13,2017?A．LivebyNightB．JourneytotheWestC．TheReturnofXanderCageD．TheVillageofNoReturn2、Whostarstwofilmsamongthefourmentioned?A．ScottEastwoodB．KrisWuC．RubyRoseD．Hsuchi3、Whycanthedemon-killinggroupfinallybecomethemostharmoniousone?A．TheyarefacingriskstoexploreeverythingB．TheycanavoidtheirinternalargumentsC．TheycanfullyknowabouteachotherD．Theyarefightingagainsteachother4、HowisTheVillageofNoReturndifferentfromtheotherfilms?A．ItisratedmorestarsthantheotherthreeB．Itisafollow-upfilmtothe2013oneC．ItisnotreleasedinthesamemonthD．Itcanmakeaudiencelaughalot23．（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（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．Howtotakeaplane24．（8分）Driverlesstechnologywillsoonenteranothermajorglobalindustry:shipping.Severalcompaniesrecentlyannouncedplanstolaunchself-sailingshipstoimprovesafetyandefficiency.OneofthemistheNorwegianchemicalcompanyYaraInternational.YarahasteamedupwithanotherNorwegiancompany,Kongsberg,tobuildanautonomousgoodsshipexpectedtobelaunchednextyear.Kongsbergdevelopedtheship’selectricaltechnologyandautonomouscontrolsystems.Theshipisfullyelectrictoreduceairpollution.Itisdesignedtocarrygoodscontainersnormallytransportedbytruck.Thismeanstheshipwillalsoimproveroadsafetybyreplacingabout40,000trucktripsayear.Thecompanyplanstooperatetheshipsbyfar-awaycontrolbeginningsometimenextyear.By2020,theshipsshouldbeloadingandsailingthemselves.WhileYara’sshipswillbelimitedtoNorwayatfirst,thecompanyplanstogreatlyexpanditsautonomousshippingoperationsinthecomingyears.Anothercompanyputtingahighpriority(優(yōu)先)toself-sailingshipsistheworld’slargestminingcompany,Australia’sBHPBilliton.Thecompany’sVicePresidentofFreight,RashpalBhatti,recentlyspokeaboutthetechnologyinawebsitepost.Bhattibelievesautomationwillbeoneofthebiggestchangesforshippinginthefuture.Hesaid,“Autonomousshipsofferimportantopportunitiestoimprovesafetyandprovidemoreeffectiveresultstothesupplychainofthesea.”Headdedthatself-sailingshipscouldbecomearealitywithinthenextdecade.Rolls-Royce,theBritishautomobileandenginemanufacturer(制造商),isalsodevelopingunmanned(無人駕駛的)shippingtechnologies.OskarLevanderisthecompany’sheadofoperationsatsea.Hesaidinaconferencelastyear,“Thisishappening.It’snotif,it’swhen.”Levandersaidtheseautonomousshipscouldbecontrolledbyfar-awayoperatorsfromanywhere.Headded,“Becausetheseshipswillbedesignedtobeunmanned,theycanbebuiltsmaller,moreefficientandenvironmentallyfriendly.”1、Whyhaveseveralcountriesannouncedplanstoproduceself-sailingships?A．Tosavemoney.B．Todevelopelectricaltechnologyinships.C．Tocompeteinautonomouscontrolsystems.D．Tomakeshippingmoreeffectiveandlessrisky.2、HowwilltheNorwegianautonomousshipbedeveloped?A．OnthebasisofRolls-Royce.B．Byasinglecompanyindependently.C．Bytwonativecompaniesworkingtogether.D．BytakingelectricaltechnologyfromAustralia.3、WhatdoOskarLevander’swordssuggestinParagraph4?A．Itistooearlytomakeautonomousships.B．Thesupplychainoftheseawillbebusier.C．Peoplearemoreconcernedaboutautonomousships.D．Unmannedshippingtechnologiesarebecomingmoremature.4、Whatwouldbethebesttitleforthetext?A．AutomationunderSail B．Self-sailingShipsinUseC．AutomationinSomeFields D．AutomationinImagination25．（10分）Everymandreamsofhavingagoodcar.Withluxurycars,likeBentley,LamborghiniandRolls-Royce,goingintotheworldofSUVs,ifyouhavedeeppockets,youwillbespoiltforchoice.◆LamborghiniAventadorSVJUsinganewaerodynamicsystemallowsittosetacarlaprecordof6:4497atNurburgring,oneofthelongestandmostchallengingcircuitsintheworld.Plus,carbonfibercanbeseeneverywhere,whichmakesthecarstrongandlightweight.There’reonly900beingbuiltandyou’11needtocoughup$517,770tobuyone.◆AstonMartinDBXTheDBXisAstonMartin’smaidenSUVproduct.Itfeaturesachoiceoftwogasengines—a4.0-literV8fromMercedesanda5.2-literV12fromitsown.Thepriceispredictedtobearound$250,000.◆AudiE-tronBeinganeco-friendlymotoring.itisanall-electricSUVthatmakesupforitsratherordinaryappearancewithdesign,luxuryandtechnology.Atthefrontandbackareelectricmotorswhichinsureprogressisrapid.Inadditiontoplentyofstoragespace,theAudiE-tronprovidessidecamerasinsteadofsidemirrorsandairsuspensionthatadaptstotheterrain(地形).Handover$74,800andit’syours.◆TeslaRoadsterTeslaRoadsterwillturnmostheads,Zeroto60in1.9secondsmeansitwillleavemostcarsfordust.Thetopspeedis250mph,whichisalsounheardofformostcars—letaloneana11-electricone.HavingadvancedautonomousdrivingsystemsandahugetouchscreenforsurfingtheInternet,itwon’tmakeyouregretforpaying$200,000.1、What’sspecialaboutLamborghiniAventadorSVJ?A．Itofferstwogasengines. B．Itisanall-electricSUV.C．Ituseslightweightmaterials. D．Ithasthemostchallengingcircuit.2、Whichcarissuitableifyouwantonewithadaptableairsuspension?A．LamborghiniAventadorSVJ. B．AstonMartinDBX.C．AudiE-tron. D．TeslaRoadster3、WhichofthefollowingdoesTeslaRoadsterprovide?A．Self-drivingsystems. B．Agas-savingengine.C．Sidecameras. D．Muchstoragespace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）It'snotunusualtobecaughtinyourlife.Whenyougetcaughtinamoment,youshouldrememberthatsomewhereoutthere,someonealwayscomesalongwithapocketfullof1YesterdayIspentallmycoinsanddollar2onlittledeeds.Ihad3breakfastbecauseIgotuplate.Becauseofthemadrush,Iforgotmy4.WhenIwasonmywayto5mylunch,apersoninneedaskedmeifIcould6himsomecash,soIdecidedtolendhimfirst.So,thenlaterintheevening,Iwasheadinghome7waitingfordinner.8，Igotacallfrommymumsayingthatshewastowork9andwouldn'tbeabletopreparedinnerforme.10therewasnofoodinthehouse,Itoldmymumnottoworry11Iwouldsurelyfindmyselfsomethingtoeat.WhileIwasstill12thissuddensetofchangesinmyfoodoptionsfortheday,Ipassedayoungmanwitha13smilehandingoutsamples(樣品)ofcookiesatasupermarket.Hegavemeapacketandsaid,"Howaboutyou14somemoreforschooltomorrow?"15that,Ireturnedawarmsmiletohimand16mybag.Hegladlyfilleditwithtwentypackets.Iwas17Whetheryoucallitluckorfortune,18wantedtosaythatsomewhereouttheresomebodycamealongcarryingapocketofhopeinhis19andsharedapieceofitwithme!Somebodyouttherewillonedaydo20foryou.1、A．hopeB．chanceC．fortuneD．food2、A．checksB．billsC．cashD．change3、A．refusedB．ignoredC．wastedD．skipped4、A．packetB．keysC．purseD．lunch5、A．serveB．cookC．buyD．prepare6、A．giveB．spareC．donateD．show7、A．disappointedlyB．gratefullyC．a(chǎn)nxiouslyD．willingly8、A．HoweverB．ThereforeC．BesidesD．Instead9、A．wellB．lateC．hardD．a(chǎn)lone10、A．SinceB．AsifC．WhenD．Eventhough11、A．becauseB．soC．beforeD．a(chǎn)fter12、A．makingB．introducingC．processingD．seeking13、A．surprisedB．broadC．a(chǎn)wkwardD．strange14、A．a(chǎn)doptingB．exchangingC．supplyingD．taking15、A．InresponsetoB．OpposedtoC．OwingtoD．Contraryto16、A．openedupB．putupC．setupD．pulledup17、A．confusedB．worriedC．excitedD．puzzled18、A．seriouslyB．nearlyC．normallyD．simply19、A．coatB．bodyC．heartD．pocket20、A．a(chǎn)lotB．thesameC．muchD．some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）AlthoughEnglishisnotasoldasChinese,1．isspokenbymanypeoplearoundtheworldeveryday.Englishspeakersarealwaysmakingnewwordsandweshouldbeabletoknowwheremostwordscomefrom.Sometimes,2．,noonemayreallyknowwhereawordcomesfrom.Didyoueverthinkaboutwhyhamburgersarecalledhamburgers,3．(especial)whentheyarenotmadeofham?Aboutahundredyearsago,somemenwenttoAmerica4．Europe.TheycamefromabigcityinGermanycalledHamburg.TheydidnotspeakgoodEnglish,buttheyategoodfood.SomeAmericanssawthemeatingroundpiecesofbeef.Neverhadtheyseensuch5．strangeway.Theycouldn’thelp6．(ask)theGermanswhatitwas.TheGermansdidnotunderstandthequestionandanswered,“WecamefromHamburg.”O(jiān)neoftheseAmericansownedarestaurant,andhadanidea.Hemadeup7．mindtodosomethingnew.Hecookedsomeroundpiecesofthebeeflike8．themenfromHamburgateand9．(sell)itquiteafewcountriesaroundtheworld.Whetherthisstoryistrueornot,itcertainlyis10．(interest).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。作文中共有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：在缺詞處加一個漏子符號（∧)并在其下面寫出該加的詞。刪除：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。Hello,I'mLihua,chairmanofStudentUnion、We'regoingtoorganizeabicycletriptoourschoolfarmonthisSunday、Itwaslocatedinthewesternsuburb,coveredanareaofabout50acres、Therearedifferentkindsofcattleraisedandvariousvegetableplanted,withoutsomeharmfulthingsinthefeedorthefertilizer、Theproductsareprovidedfortheschoolcanteen，whichweenjoyahealthdiet、OnthefarmyoucancombineyouhavelearnedwithpracticetothefullestYouareexpectedtoarrivethereatabout9o'clock,Remember:followingtheworkersanddon'ttrytodoanythingstrangetointeresttheanimalsordodamagetotheplantsduringmyvisit、第二節(jié)書面表達（滿分25分）29．（25分）假定你是李華，你的美國朋友Lily所在學(xué)校的漢語俱樂部要舉辦“誦經(jīng)典，學(xué)漢語”（ReadClassics&learnChinese）活動，她給你發(fā)郵件征詢建議。請你回復(fù)郵件，內(nèi)容包括：1.推薦誦讀內(nèi)容；2.推薦理由；3.活動建議。注意：1.詞數(shù)100左右；2.可以適當(dāng)増加細節(jié).以使行文連貫。________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

2023學(xué)年模擬測試卷參考答案（含詳細解析）第一部分（共20小題，每小題1.5分，滿分30分）1、B2、A3、D4、B5、A6、A7、B8、A9、D10、D11、C12、A13、A14、C15、C16、C17、A18、C19、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、1、D2、D3、C4、C22、1、A2、B3、C4、D23、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.Themajorproblemwiththespacetrashisthatitmayhitworkingsatellitesanddamagetravelingspacecraft(飛船).Moreover,piecesofjunkmaycollide（碰撞）witheachotherandbreakintopieceswhichfall