河南周口中英文学校2023年高考英语押题试卷（含答案解析）

2023高考英语模拟试卷考生须知：1．全卷分选择题和非选择题两部分，全部在答题纸上作答。选择题必须用2B铅笔填涂；非选择题的答案必须用黑色字迹的钢笔或答字笔写在“答题纸”相应位置上。2．请用黑色字迹的钢笔或答字笔在“答题纸”上先填写姓名和准考证号。3．保持卡面清洁，不要折叠，不要弄破、弄皱，在草稿纸、试题卷上答题无效。第一部分（共20小题，每小题1.5分，满分30分）1．Iftheserviceisawful,acustomerhastherighttotothemanager.A．react B．applyC．complain D．suggest2．Sodifficult____ittoworkouttheproblemthatIdecidedtoaskTomforadvice.A．Ididfind B．didIfindC．Ihavefound D．haveIfound3．—IspendtwoweeksinBeijinglastyear.—ThenyoumusthavevisitedtheGreatWallduringyourstay,________you?A．mustn’t B．didn’tC．haven’t D．hadn’t4．—Whatdidshewanttoknow,Tom?—ShewonderedwecouldcompletetheexperimentA．whenwasitthatB．itwaswhenthatC．itwaswhenD．whenitwasthat5．Thenewplaygroundtobebuiltnextyearwillbe____________theoldone.A．asthreetimesbigasB．threetimesasbigasC．asbigasthreetimesD．asbigthreetimesas6．Theonlyproblemwas______wekeptgettinglost!ButpeopleinTianjinareveryfriendlyandhelpful.A．why B．whetherC．that D．how7．TheyarrivedattheborderbetweenKenyaandTanzaniaat2pm,______liesanationalnaturereserve.A．whatB．whichC．whereD．when8．—Youseemtobefondofclassicalmusic.—________.Asamatteroffact,Ilikejazzmusicbetter.A．Idon’tagreeB．NotreallyC．Icouldn’tagreemoreD．Nodoubt9．WithWeChatPaycomingintowidespreaduse,ourhouseholdbillsareconvenient____.A．paying B．paid C．topay D．tobepaid10．Ifpeoplekeeppollutingtheocean,nocreaturetherewillsurvive______.A．atallcost B．foralongwhileC．inthelongrun D．bynomeans11．ThankstoMr.Smith,thefatherandthesoneventually________aftertenyears'coldrelationshipbetweenthem.A．tookup B．madeupC．lookedup D．turnedup12．Thegovernmenthastakensomemeasurestosolvetheshortageofelectricity,butitwillbesometime_________thesituationimproves.A．since B．whenC．unless D．before13．Workinghardisnota__________ofgreatsuccess,butitisamongtheessentialrequirements.A．sign B．signalC．guarantee D．mark14．—MayIgoouttoplaybasketball,Mum?—________Dowhatyoulike.A．Goahead! B．You’vegotit.C．It’syourturn. D．Notatall!15．—Whatdoyouthinkofthemovielastnight?—WhenIgotthereit_______,soIonlywatchedtheend.A．finished B．hadfinishedC．wasfinishing D．hasfinished16．______property,we’reamongtherichestpeopleinthiscity．A．Insearchof B．Inspiteof C．Inplaceof D．Intermsof17．Itisnotsurprisingthatshewaselected______monitor;sheis______verysmartgirlwhohastheabilitytoorganizetheclasswell.A．/;the B．/;aC．a;a D．the;/18．Effortswillbemadeto______newteachingmodelstoexploitthestudents’potential.A．accelerateB．innovateC．differentiateD．compile19．Generallyspeaking,________accordingtothedirections,themedicinehasnosideeffect.A．whentakenB．whentakingC．whentotake D．whentobetaken20．Theguidewasenthusiasticandknowledgeableandwespentalovelyeveningwanderingintoplaceswhichwe________straightpastotherwise.A．hadwalked B．werewalkingC．wouldhavewalked D．musthavewalked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）“Hey,littleboy,willyousupportmewhenI’mgettingold?”WangWenshan,35,askedhisnewbornbabyashehuggedhimathome.TheChinesetraditionofraisingsonstosupportparentsintheiroldagehasbeenweakenedbytherapidlygrowingeconomyandimprovedstandardofliving.Asisthecasewithmoreandmoredevelopedcountries,Chinafacesanagingsociety.Peoplearelivinglongerandhavingfewerchildren.Therefore,manyChinesefamiliesarefallingintoa4-2-1familypattern:acoupleraisesonechildandsupportsfourelderlyparents.Butfewrealizethataproblemislikelytohappenahead.Theagingofthepopulationisatrendthatnowaffectsagrowingnumberofcountries.TheInformationOfficeoftheStateCouncil,China’scabinet,issued（发行）awhitepaperonmeasuresChinahasbeentakingtohelpitselderlypopulation.ThepapersaidChina’spopulationenteredtheagingperiodattheendofthe20thcenturyandtheproportionofpeopleaged60andaboveaccountedforover10percentoftheentirepopulation.Bytheendof2005,Chinahadnearly144millionpeopleover60,accountingfor11percentofthepopulation,accordingtothewhitepaper.Anexpandingagedpopulationinevitablymeansthatmanyissuesmustbesettled,astheproblemconcernseveryaspectofsociety.Itputsmorepressureoneachfamily,causingdisturbingeconomicconsequencesandserioussocialproblems.Italsochallengesthelaborforcesupplyandthepensionsystem.“Iusedtothinkthatit’snotanissueformetoprovidefortheaged,”saidWang,whoseparentsandparents-in-lawallenjoypensionsandmedicalinsurance.ButlastyearWang’sfathersufferedfromaseriousillnessandafterwardWangbegantofeelthepressureonhisshoulders.Afterhisfatherrecovered,Wangopenedabankaccountforeachparentandputawaysomemoneyintheaccounteverymonthtoprepareforfutureuncertainties.Inaddition,hehastosavemoneyeverymonthtoprovideforhisson’sfutureeducation.“I’mnowbreakingmybacktosupportmyfamily:savingpensionsfortheparents,myson’seducationfunds,andlivingcosts.”Wangalsoboughtsomecommercialold-ageinsuranceforhimself.“Wehavetotakeprecautions（预防）beforeitistoolate,andmanyofmycolleaguessharethesameview,”hesaid.1、Whichofthefollowingisnotcausedbyanagingsociety?A．Socialproblems. B．Unemployment.C．Morepressureoneachfamily. D．Theproblemofthepensionsystem.2、Fromthepassage,wecaninfer________.A．theagingproblemisoneoftheconcernsoftheChinesegovernmentB．ChinawillencourageyoungcouplestohavemorethanonechildC．manypeoplehaverealizedtheagingproblemD．childrenwillnotsupporttheirparentsinChina3、Whichofthefollowingcanbeusedtoreplacetheunderlinedword“inevitably”?A．Surprisingly. B．Certainly.C．Hopefully. D．Evidently.4、Fromthepassage,wecanseethat________.A．ChinaistheonlycountrytofaceanagingsocietyB．mostofthedevelopingcountriesfaceanagingsocietyC．countrieswithalargepopulationfaceanagingsocietyD．moreandmoredevelopedcountriesfaceanagingsociety22．（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．Howtotakeaplane23．（8分）Beforeyouwalkeddowntheaisle—ifyouevendid---didyoufirstagreetotakeyourpartner’sname?hadyouagreedtothebankforupdatedcreditcards,changedyouremailaddress,andupdatedyourFacebook?Ididn't;andIknowplentyofwomenouttheredidn't,either.SoIwasprettyshockedtolearnthatinarecentsurvey,over50percentofU.S.citizensbelieveawifeshouldtakeherhusband'sname—andsheshouldberequiredtodosobylaw.AuthorEmilySchafer,asociologyprofessoratPortlandStateUniversity,surveyedarepresentativenationalsampleof1,200peopletarthestudy,whichfoundthatalargernumberofAmericanadultsthinkthereneedstoactuallybealawinplacetopreventwomenfromkeepingtheirownname.Themostcommonreasongiven?Thegeneralbeliefisthatwomenshouldprioritize（优先）theirmarriageandtheirfamilyaheadofthemselves.Tothis,IadmitI'mabitconfused,becauseIdon'tunderstandhowexactlyriottakingyourhusband’slastnamemeansyouaren'tprioritizingyourmarriage.Now,Ididn'ttakemyhusband'snameforavarietyofreasons:Ididn’tfeellikethenamewas"mine"andprofessionallyIhadbuiltupareputationasawriterundermymaiden（未婚的）name,soIdidn'twanttolosethat.Hissurnamewasn'teasytospell,either;everyonegetsitwrong(includingmymother—still—andwe'vebeenmarried13years).Butmostofall,Ifeltlikeintakingmyhusband'slastname,Iwaslosingahugesenseofself.Andwhileyes,weareafamily,Idon'twanthissurnametodefineme.I'mnothispossession.Justlikeeveryaspectofmotherhood,eachwomanshouldberespectedforthechoicesshemakes—withouthavingtodoanythingbylaw.AndweshouldallbegratefultoLucyStone—thefirstAmericanwomantolegallymaintainherlastnameaftermarriagein1856.Justimaginehowdifficultthatmusthavebeentoforegotraditioninthattime?1、Whatcanbelearnedaboutthetraditionoftakingahusband'snamefromthesurvey?A．Alawshouldbetheretobreakthetradition.B．ThemajorityofAmericanadultssupportthetradition.C．ThemajorityofAmericanwomengoagainstthetradition.D．Thelawrequireswivestotaketheirhusbands'namesinAmerica.2、WhydoesanAmericanwomangenerallytakeherhusband'sname?A．Tovaluehermarriageandfamily.B．Toshowhonestytoherhusband.C．Tojoininthefamilyofherhusband.D．Touniteanewfamilyunderthesamename.3、WhatdoesParagraph5mainlytalkabout?A．Whytheauthordidn'tuseherhusband'sname.B．Whytheauthor'smotherdidn'tlikeherhusband.C．Howworthytheauthor'sownmaidennamewas.D．Howboredtheauthorbecamewithherhusband'sname.4、Whatdoestheauthorthinkofthetradition?A．It'sreasonableB．Itisn’tworthcaringC．EverycoinhastwosidesD．It'soutofdateandconfusing.24．（8分）FourteenagegirlsfromMinnesota,US.120hoursofnon-stoptogetherness.Nocellphones.Thisisnotarealityshow,butanadventurejourney.“Itwasreallyperfect,”saidJuliaRuelleofherrecentadventuretotheBoundaryWatersCanoeAreaWildernesswiththreeofherchildhoodfriends.“Byunplugging,wehadanamazingtime.”Lastyear,the16-year-oldtookpartinanessaycontestandcarriedoffaprize.Theawardwasa5-daycanoeandcampingadventurewithuptothreefriends.Noparentsorguideswouldbethere.SoJuliainvitedherfriendsAnnaWander,MadelineWilsonandJuliannaTorelli.ThefourMinnetonkaHighSchooljuniorsarrivedinElyfortrainingthedaybeforetheybeganthejourney.Theysetoutthenextdayat7a.m.,quicklydevelopingaroutine.“Weweredonepaddlingbynoon,”Juliasaid.“Weatelunchatthecampsitesandthenitwastimeforhammocks(吊床),reading,makingfriendshipbracelets(手镯)andtalking.”Thegirlsallhadsomeexperienceintheoutdoorsbefore.AnnahadbeentotheBoundaryWaterswithherfamily.“Ilovehowyouareseparatedfromeverythinginyourlife,especiallytechnology,”Annasaid.Withoutherphone,shesaid,“I’mlessworriedaboutthings.”Madeline,too,hadbeentotheBoundaryWatersafewyearsback.“Butthistime,Ihadtopaddlerightandsetupcamp,”shesaid.Thegirlsmadefireandcookedmealtogether.Noonewaseverhungryorhomesick,buttheywerenervousthefinalnightastheywaitedoutathunderstorm.Theyleftwetsleepingbagsinonetent,andsqueezedintoanotherforthenight.“EverythunderstormintheBoundaryWatersfeelshuge,”Juliasaid.Onthecarridehome,theywereallontheirphonescatchingupwithfriends.“Itwasalittleatalossturningmyphoneon,”saidAnna.“MentalhealthcanbeimprovedsomuchintheBoundaryWaters.Itreallyhelpstogetawayandreconnectwithyourself.”1、HowdidJuliaRuellegetthechancetocamp?A．Shewonanessaycontest. B．Shewasinvitedbyherfriends.C．Sheperformedwellinherschool. D．Sheaskedherparentsforsupport.2、Whywasthe5-dayadventureuniquetothegirls?A．Theyneededtocompletemanytasks.B．Theyneededtofindaguideontheirown.C．Theyhadtoliveonaboatforseveraldays.D．Theyhadtolivewithouttheirsmartphones.3、Whatcanweknowaboutthegirlsfromthestory?A．Theyhadnotgotanycampingexperiencebefore.B．Theyallfeltrefreshedaftertheadventurejourney.C．Theyenrichedtheirlearningexperiencesbyexploring.D．Theyusedtokeepinclosetouchwiththeirfriendsbyphone.25．（10分）WhereIsSpringBreakWhereisSpringBreakgoingtobe?Theoptionsareendless.Doyouwanttogetyourbloodpumpingfromthrillingtravels?Looknofurther!Thesetoursanddestinationswillkeepyouonyourtoesallweeklong.Panama:Thisunderrateddestinationisalittle-knownsecretofthemosttravelers!Throughthistouryou’llgettohike,snorkel(浮潜)andexploreallthebestsightsthisbeautifulcountryhastooffer!Eightdaystoursfor$250/day.Canada:Thisdiversecountryisfullofoptions.ExploretheEastofCanadaandvisitcitiessuchasMontreal,QuebecorToronto.Ifyou’refeelingadventurous,exploretheWesternpartofthecountrywithaCanadianRockiesTour.Duringthistwelvedaystouryouwillhikeaglaciertobeautifulsceneryandwanderthroughpostcard-worthyvillages.TourstoCanadafor$200/day.Iceland:CheckoffoneofthesevenwondersoftheworldwithatouroftheNorthernLightsandGoldenCircle.Spendsevendaysfullofadventurelikehikingglaciers,snowshoeingthroughThingvellirNationalPark,relaxingintheGeysirHotSpringsandofcourseexperiencingthegloryoftheNorthernLights!Sevendaystoursfor$300/day.SouthAfrica:DiscoverthediversecultureandwildlifethatmakesupSouthAfrica.Yourtourplanincludesajourneyalongthecoastknownas“RainbowNation.”Hereyouwillenjoybeautifulscenery,ahuntingtravelthroughAddoElephantNationalParkandthewildlifeinTsitsikarnmaNationalPark.Ninedaystoursfor$230/day.1、Whatisthesimilarcharacteristicofthetravelsmentionedinthetext?A．Exciting.B．Risky.C．Educational.D．Environmental.2、Whichdestinationcoststouriststhemostmoney?A．Panama.B．Canada.C．Iceland.D．SouthAfrica.3、Accordingtothetext,Panamaisadestinationwhich.A．isnotasfamousastheotherthreeB．youcangotoforenjoyingsurfingC．offersanoptiontohikeintheparkD．takesthemosttimeofthefourtours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）ThedaybeforeChristmasIpulledintoastoreparkinglotandcountedmymoneyagain.Itwasn’tmuch.I1beingpoor，nothavingenoughto2mysmallchildrenafewsimpletoys.AsIwas3InoticedtheSalvationArmy(救世军)bellringeratthe4.IfeltbadagainbecauseIdidn’tfeelIcould5anythingtogivehim.Istartedwalkingtowardstheentrance6twocarsenteredemptyparkingspacesinfrontofme.Thefirstwasa7，newCadillacwhichbecamethe8ofmethemomentIsawit.“How9，”Ithought，“woulditbetohaveenoughmoneytobuyacarlikethat！”Thesecondcar，10，wasanancientcarmoreshabbythantheoneIwasdriving.AmangotoutoftheCadillacandhurriedintothestore11pastthebellringerwithoutasecond12.Outoftheoldcarcameayoungmotherwiththreesmallchildrenfollowing13behindher.Herclotheslookedas14ashercar，yetshestoppedattheentranceand15abill.Inthatseconda(n)16touchedme，myenvyanddislike17me，andalltheloveandjoyfilledme.Ifishedabilloutofmyownpurse，18itintheSalvationArmykettle，andwishedthe19a“MerryChristmas！”NowIfeltIwasapoormanbutrichonthe20.Afterfindingafewthingsformykids，Idrovehomewithmyheartsinging.1、A．hated B．permitted C．escaped D．regretted2、A．make B．buy C．award D．lend3、A．pullingout B．settlingin C．gettingout D．cuttingin4、A．parkingspace B．counter C．parkinglot D．entrance5、A．spare B．split C．spend D．save6、A．though B．since C．when D．if7、A．sharp B．dull C．pure D．shiny8、A．target B．envy C．item D．bargain9、A．nice B．precious C．rare D．expensive10、A．therefore B．however C．anyhow D．besides11、A．merely B．right C．hopefully D．seldom12、A．smile B．nod C．glance D．wave13、A．firmly B．bravely C．casually D．closely14、A．wornout B．castdown C．tiredout D．brokendown15、A．paid B．passed C．donated D．rejected16、A．equality B．sympathy C．approval D．warmth17、A．left B．visited C．reached D．missed18、A．took B．handed C．started D．dropped19、A．salesman B．bellringer C．woman D．mandriver20、A．wealth B．luck C．inside D．outside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）PopularChineseteenagestarYuanWangonTuesday1．(speak)hereataUNyouthforum(论坛)andcalledforequalaccesstoqualityeducationforyoungpeopleworldwide.Wang,memberofthefamousChineseboybandTFboys,toldthecrowdthatChinahas278millionyoungpeople,thesecond2．(large)youthpopulationintheworld,andheisfortunatetoworkwiththeUNtoinspireChina’syounggenerationtopromote3．setofglobalgoalsaimingtoendpoverty,promotegender(性别)4．(equal)andfightclimatechange.Thegoals,5．(know)assustainabledevelopmentgoals(SDGs),areoutlinedintheUN-facilitated2030AgendaforSustainableDevelopment.Thereisonegoalasking6．completefree,equitableandqualityprimaryandsecondaryeducationbyyear2030.“Mypassionfor2030isthateveryyoungpersoncanaccessgoodqualityeducation;girlshavethesamepotentialtoachieveamazingthings7．boys,”saidWang.TheJan.30-31youthforum8．(aim)attryingtoinvolvetheeffortsofyouthtoendpovertyandpromoteprosperityacrosstheworld.Itbringsyouth9．(leader)worldwideandgivesthemanopportunitytoengagewithpolicy-makersandcivilsocietyrepresentatives10．(discuss)theSDGs.第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅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：在错的词下画一横线，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。IamwritingtotellyouanythingaboutthetransportationinChina.Overthepastfewdecadeswehavedevelopedanamazednetworkofpublictransportation.Besides，wehavebeendecidedtomakeeffortstomakethemmuchbetter.Iamsureanetworkwillsatisfyyourneedsfortravelingeverywheremoreconvenient.Peopleusuallychosethemeansoftransportationbasedwithsomeaspects，suchasthecostandthetimeneeded.Forexample，businessmenaremorelikelytravelbyplaneorhigh­speedtraintosavetimewhileofficeworkertendtotakebusesordrivetoworkthemselves.第二节书面表达（满分25分）29．（25分）假设你是红星中学高三学生李华。你的英国朋友Tom在北京旅游，他很喜欢看展览。请给他写一封信，内容包括:1.邀请他一起看一个展览2.展览相关信息(时间、地点、内容等)3.推荐该展览的理由注意:1.词数不少于50。2.可适当增加细节，以使行文连贯。3.信的开头和结尾已为你写好，不计入总词数。DearTom,_______________________________________________________________________________________________________________________________________Yours,LiHua

2023学年模拟测试卷参考答案（含详细解析）第一部分（共20小题，每小题1.5分，满分30分）1、C2、B3、B4、D5、B6、C7、C8、B9、C10、C11、B12、D13、C14、A15、C16、D17、B18、B19、A20、C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、1、D2、A3、B4、D22、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,piec