2022-2023学年安徽省宿州市泗县第一中学高考考前模拟英语试题含解析

2023年高考英语模拟试卷考生请注意：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．Wewerescaredtodeathwhenthefire______.Fortunately,itwasputoutbeforeitcausedmuchdamage.A．brokeout​​ B．cameoutC．gaveout​​ D．turnedout2．Theshockingnewsmademerealize_____________terribleproblemswewouldface.A．that B．howC．why D．what3．Inmyopinion,_____shouldn’tbeanydoubtthatChinawillbecomeoneofthemostpowerfulcountriesinthenearfuture．A．this B．that C．it D．there4．_____annoystheteachermostisthatallthestudentsaretooquietinclass.A．WhatB．ThatC．WhenD．Who5．—TheKiwifruitsinthissupermarketare_______salenow,andtheyaresold______thepound.—Really?Howmuchcheaperarethey?A．for;in B．on;by C．for,by D．on,in6．____________youarefamiliarwiththeauthor’sideas,tryreadingallthesectionsasquicklyasyoupossiblecan.A．NowthatB．EversinceC．SothatD．Incase7．—Didyouenjoytheparty?—Yes.We___________wellbyourhosts.A．weretreated B．wouldbetreatedC．treated D．hadtreated8．—IhavesomethingimportanttotellJohn.ButIcan’tfindhim.—Hiscellphoneishere,sohe________havegonetoofar.A．mustn’t B．needn’tC．wouldn’t D．can’t9．Theyoungviolinistisveryexcitedbecausetheconcertgivenbyhimhasneverbeen_____.A．successful B．moresuccessfulC．mostsuccessful D．themostsuccessful10．—GoingtowatchtheWomen’sVolleyballMatchonWednesday?—________!Willyougowithme?A．Youbet B．YougotmeC．Youthere D．Youknowbetter11．—You’vemadegreatprogressinyourEnglishstudy,haven’tyou?—Yes,butmuch.A．remainstodo B．isremainedtodoC．remainstobedone D．isremainedtobedone12．________fromJ.K.Rowling’sbookseriesofthesametitle,the“HarryPotter”moviesareuniversallyacknowledgedasclassics.A．Adapting B．HavingadaptedC．Adapted D．Tobeadapted13．You_____readabookinthesun—it'lldoharmtoyoureyes．A．couldn't B．wouldn't C．needn't D．mustn't14．Wecancommunicate________peopleineverypartoftheworld________theInternet.A．with；with B．with；throughC．through；through D．through；with15．—Canyoutellmesomethingabout_________science.—OK._NobelPrizeinChemistryisusuallyawardedtoAmericans.A．the;The B．/;The C．a;/ D．the;/16．Yet_______intheprocessofdevelopmentdidtheystoptoconsidertheimpactoftheir“progress”onnature.A．innotimeB．atnopointC．aslikelyasnotD．moreoftenthannot17．TwoprofessorsatHarvardUniversitypublishedastudyof3,300newgraduates,lookingat________theirnameshadanybearingontheiracademicperformance.A．that B．how C．why D．whether18．Oursocietywouldbebetteroffbutforthefactthattheeconomy________bythecurrentglobalfinancialcrisis.A．hadbeenaffected B．wereaffectedC．shouldbeaffected D．isaffected19．﹣Mom，I'llstayintoaccompanymygrandpathisevening．﹣________!A．Withpleasure B．NevermindC．Suityourself D．Itdepends20．Inmydrivinglesson,atrafficrulethatimpressedmemostisthatinnotime________whenthetrafficlightsturnred.A．allvehiclesshouldstop B．shouldallvehiclesstopC．shouldstopallvehicles D．shouldstopallvehicles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）Wanted,SomeoneforaKissWe’relookingforproducerstojoinusinthesecondofLondon100FM.You’llworkonthestation’smusicprogrammes.Musicproductionexperienceinradioisnecessary,alongwithrichknowledgeofmoderndancemusic.Pleaseapply(申请)inwritingtoProducerVacancies,Kiss100.FatherChristmasWe’relookingforaveryspecialpersonpreferablyover40,tofillourFatherChristmassuit.Workingdays:EverySaturdayfromNovember24toDecember15andeverydayfromDecember17toDecember24exceptSunday,10:30—16:00.Excellentpay.Pleasecontact(联系)theEnterpriseShoppingCenter,StationParade,Eastbourne.AccountantsAssistantWhenyoujoininourRevenueAdministrationUnit,youwillbeprovidingassistancewithinallpartsoftheRevenueDivision,dealingwithpostandothergeneralduties.IfyouareeducatedtoGCSEgradeClevelwewouldliketotalktoyou.Thispositionisequallysuitableforaschoolleaverorforsomebodywhohasofficeexperience.WealdenDistrictCouncilSoftwareTrainerIfyouareaged24-45andhaveexperienceinteachingandtraining,youcouldbethepersonwearelookingfor.Youshouldbegoodatthecomputerandhavesomeexperienceinprogrammewriting.Youwillbeallowedtomakeourdecision,andtodesigncoursesaswellaspresentthem.Payupwardsof￡15,000fortherightperson.PleaseapplybysendingyourCV(简历)toMrsR.Oglivie,PalmlaceLimited.1、Whoshouldyougetintouchwithifyouhopetoworkinaradiostation?A．ProducerVacancies,Kiss100. B．MrsR.Oglivie,PalmlaceLimited.C．TheEnterpriseShoppingCentre. D．WealdenDistrictCouncil2、WelearnfromtheadsthattheEnterpriseShoppingCentreneedsapersonwho__________________.A．isagedbetween24and40 B．maydosometrainingworkC．shoulddealwithgeneralduties D．canworkforaboutamonth3、Whichpositionisopentorecentschoolgraduates?A．Producer,LondonKiss. B．FatherChristmas.C．AccountantsAssistant D．SoftwareTrainer4、WhatkindofpersonwouldprobablyapplytoPalmaceLimited?A．OnewithGCSEgradeClevel. B．Onewithsomeofficeexperience.C．Onehavinggoodcomputerknowledge. D．Onetrainedinproducingmusicprogrammes.22．（8分）Whenadriverslamsonthebrakestoavoidhittingapedestriancrossingtheroadillegally,sheismakingamoraldecisionthatshiftsriskfromthepedestriantothepeopleinthecar.Self-drivingcarsmightsoonhavetomakesuchethical(道德的)judgmentsontheirown—butsettlingonauniversalmoralcodeforthevehiclescouldbeatoughtask,suggestsasurvey.Thelargesteversurveyofmachineethics,calledtheMoralMachine,laidout13possiblesituationsinwhichsomeone’sdeathwasunavoidable.Respondentswereaskedtochoosewhotospareinsituationsthatinvolvedamixofvariables:youngorold,richorpoor,morepeopleorfewer.Within18months,theonlinequizhadrecorded40milliondecisionsmadebypeoplefrom233countriesandterritories.Whentheresearchersanalysedtheseanswers,theyfoundthatthenationscouldbedividedintothreegroups.OnecontainsNorthAmericaandseveralEuropeannationswhereChristianityhasbeenthedominant(占支配地位的)religion;anotherincludescountriessuchasJapan,IndonesiaandPakistan,withstrongConfucianorIslamictraditions.AthirdgroupconsistsofcountriesinCentralandSouthAmerica,suchasColombiaandBrazil.Thefirstgroupshowedastrongerpreferenceforsacrificingolderlivestosaveyoungeronesthandidthesecondgroup,forexample.Theresearchersalsoidentifiedrelationshipsbetweensocialandeconomicfactorsinacountry.Theyfoundthatpeoplefromrelativelywealthycountrieswithstronginstitutions,suchasFinlandandJapan,moreoftenchosetohitpeoplewhosteppedintotrafficillegallythandidrespondentsinnationswithweakerinstitutions,suchasNigeriaorPakistan.Peoplerarelyfacesuchmoraldilemmas,andsomecitiesquestionwhetherthepossiblesituationsposedintheonlinequizarerelevanttotheethicalandpracticalquestionssurroundingdriverlesscars.Buttheresearchersarguethatthefindingsrevealculturaldifferencesthatgovernmentsandmakersofself-drivingcarsmusttakeintoaccountiftheywantthevehiclestogainpublicacceptance.AtleastBarbaraWege,whoheadsagroupworkingonautonomous-vehicleethicsatAudiinIngolstadt,Germany,sayssuchstudiesarevaluable.Wegearguesthatself-drivingcarswouldcausefeweraccidents,proportionally,thanhumandriversdoeachyear—butthatpeoplemightfocusmoreoneventsinvolvingrobots.SurveyssuchastheMoralMachinecanhelptobeginpublicdiscussionsabouttheseunavoidableaccidentsthatmightdeveloptrust.“Weneedtocomeupwithasocialconsensus,”shesays,“aboutwhichriskswearewillingtotake.”1、Whyisitdifficulttosetuniversalmoralrulesforprogrammingself-drivingcars?A．Socialvaluesalwayschangewiththetimes.B．Moralchoicesvarybetweendifferentcultures.C．Drivershaveapreferenceforsacrificingtheweak.D．Carmakersarefacedwithdecisionsoflifeordeath.2、Theresearchersconductedthestudyby_____.A．usingamassiveonlinequizworldwideB．comparingdifferentculturesandcustomsC．dividingtherespondentsintothreegroupsD．performingaseriesofcontrolledexperiments3、Accordingtothestudy,inwhichcountryaredriversmorelikelytohitapedestriancrossingtheroadillegally?A．Nigeria B．ColombiaC．Finland D．Indonesia4、BarbaraWegewouldprobablyagreethat_____.A．Self-drivingcarswillgreatlyimprovethetrafficenvironmentB．Accidentscausedbyself-drivingcarsmightreceivemoreattentionC．Problemsinvolvingself-drivingcarsmightshakethepublictrustinsocietyD．Carmakersneedn’ttaketheriskofsolvingself-drivingcarethicaldilemmas23．（8分）HowtoGettheBestHotelDealTakingtheentirefamilyonvacationcanaddupquickly—flights,rentalcar,gas,meals,snacks,andofcourse,hotels.However,bydoingsomeresearchandusingthreelittlewords,youcouldendupsavingalotofmoneyonaccommodations.First,searchhotelbookingsiteslikeTripAdvisororExpediaandcheckoutthehotelratesinyourlocationforthedatesyouwouldliketobook.Takedownallthepricesyoufindonlineforthathotel.Butevenifyoufindastealofadealor“aspecialdiscount”,don’tpressthebookbuttononthewebsitejustyet.Afterresearchingpricesonline,expertssaythebestwaytogetthelowesthotelrateistocallthehoteldirectly—notanyofthecustomerserviceor1-800numbersthatcouldbelistedasacontactnumber,especiallyforachainhotel.Thenyou’regoingtodropsomemagicwords.Whileyoumightbetemptedtoaskfor“thebestdeal”or“thelowestrate”,yoursecretweaponhereistousethephrase“cheapestnonrefundablerate.”AccordingtoexpertsatTravel+Leisure,thatphrasetriggershotelstafftosearchfortheroomthatwillcostyoutheleastforyourvacation.Ifyoudoenduptryingtonegotiateabetterprice,mentionthenumbersyoufoundonlineandthenreducethosepricesby20percent.Apparentlyhotelspayaheftyfeetobelistedonhotelbookingsites,andthat20percentcouldactuallymeanmoremoneythantheywouldgetifyoubookedthroughoneofthem.Justdon’twaituntilthelastminutetoscoreadeal,becausethatcanleadtopayingmore,notless.FredLalonde,founderofthetravelserviceHopper,toldTravel+Leisurethatthebestdealsonhotelsareusuallyavailabletwotothreemonthsaheadofthevacationdate,potentiallysavingyoumorethan$270foraneight-daystay.259、Whatdoestheunderlinedpart“threelittlewords”inParagraph1referto?A．Aspecialdiscount B．ThebestdealC．Thelowestrate D．Cheapestnonrefundablerate.1、Accordingtothepassage,thepreferredwaytogetthebesthoteldealisto________.A．callthetargethotelstobargainwiththestaffB．collectandcomparethepricesfoundonlineC．bookhotelsjustbeforeyourdeparturetimeD．turntohotelbookingsitesforadiscount24．（8分）Ecobee3SmarterWiFiThermostatSmartthermostatshavebecomethefaceofsmarthometechnologyformost,butdependingonwhatyourhomeislike,it’spossibletosaytheecobee3issuperior.Mostofthesmartthermostatscarrythesamebenefits,includingtheecobee3.Theycanlearnyourpreferencesandschedules,andthenadjustthetemperatureaccordingly.They’rebetter-lookingandmoreenjoyabletousethanthebasicpiecesofplasticthatoccupymosthouseholds.Theirverypresencewillprobablymakeyoumoreconsciousaboutsavingenergy.Andonceyou’reabletoheatuporcooldownyourhousefromyourphone,withouthavingtogetoutofbed,youwon’twanttogoback.Ifyouliveinalargerhousehold,theecobee3canbemuchmoreconvenient—providedyoupickupacouplemoreremotesensors.Yes,itgetsprettyexpensiveatthatpoint,buthavingthosegivesyoueffectivecontroloverthetemperatureindifferentroomsaroundyourhouse.Incomparison,otherthermostats’measurementsarelargelylimitedtotheareainwhichthey’reinstalled(安装).Ifyouliveinasmallerplace,that’snobigdeal;theecobee3stillhasdistinctadvantages.Itistouch-enabledandmorespacious,makingitlessannoyingwhenyouwanttoenteraWiFipassword,seeweatherinformation,andsoon.Still,allthesmartthermostatsareprettygreat.Whichoneisbestjustdependsonwhetheryouneedawhole-homesolutionoramorestraightforwardone.Fornow,ifit’stheformer,gowiththeecobee3.Ecobee3SmarterWiFiThermostatwithRemoteSensor,availableatallshoppingwebsites.1、Whatisthefunctionoftheecobee3?A．Planningschedules. B．Makingdecoration.C．Adjustingtemperatures. D．Storinginformation.2、Accordingtothepassage,oneoftheadvantagesoftheecobee3isthat______.A．itcanbeoperatedeasilybyphone B．ithasdifferentsizesC．itisaproductwithoutusingenergy D．itfollowsthesamepattern3、Whatmakestheecobee3superior?A．Itcostslessthanthosesimilarproducts.B．ItmayworkwithoutaccesstoWiFinetworks.C．Itismoreeffectivewithfewerremotesensors.D．Itcancontrolthetemperatureinalargerarea.25．（10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．Howtotakeaplane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）Oneoftheeasiestthingsintheworldistobecomeafault-finder.However,lifecanbe1whenyouarenotbusyfindingfaultwithit.SeveralyearsagoI2aletterfromseventeen-year-oldKerry,whodescribedherselfasaworld-classfault-finder,almostalways3bythings.Peoplewerealwaysdoingthingsthatannoyedher,and4wasevergoodenough.Shewashighlyself-criticalandalsofoundfaultwithherfriends.Shebecameareally5person.Unfortunately,ittookahorribleaccidenttochangeher6.Herbestfriendwasseriouslyhurtinacarcrash.Whatmadeitalmost7todealwithwasthatthedaybeforethe8,Kerryhadvisitedherfriendandhadspentthewholetimecriticizingher9ofboyfriends,thewayshewasliving,thewaysherelatedtohermother,andvariousotherthingsshefeltsheneededto10.Itwasn’tuntilherfriendwasbadlyhurtthatKerrybecame11herhabitoffindingfault.Veryquickly,shelearnedtoappreciateliferatherthanto12everythingsoharshly(刻薄).Shewasabletotransferhernewwisdomtootherpartsofher13aswell.Perhapsmostofusaren’tasextremeatfault-finding,14whenwe’rehonest,wecanbesharply15oftheworld.I’mnotsuggestingyou16problems,orthatyoupretendthingsare17thantheyare,butsimplythatyoulearntoallowthingstobeastheyare—18mostofthetime,andespeciallywhenit’snotareallybig19.Trainyourselfto＂biteyourtongue＂,andwithalittle20,you’llgetreallygoodatlettingthingsgo.Andwhenyoudo,you’llgetbackyourenthusiasmandloveforlife.1、A．lonely B．great C．quiet D．uneasy2、A．received B．answered C．expected D．rejected3、A．threatened B．interrupted C．bothered D．spoiled4、A．anything B．everything C．something D．nothing5、A．caring B．boring C．interesting D．surprising6、A．attitude B．plan C．measure D．explanation7、A．urgent B．unnecessary C．certain D．impossible8、A．occasion B．event C．accident D．adventure9、A．memory B．notice C．evidence D．choice10、A．hear B．contribute C．express D．admit11、A．awareof B．afraidof C．curiousabout D．confusedabout12、A．discuss B．realize C．judge D．settle13、A．family B．life C．career D．education14、A．so B．or C．but D．for15、A．proud B．sure C．hopeful D．critical16、A．face B．create C．solve D．ignore17、A．rarer B．better C．stranger D．worse18、A．atleast B．atlast C．byfar D．sofar19、A．task B．deal C．result D．duty20、A．practice B．speech C．rest D．pity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）It’snevereasyfor1．Asiaathletetoshineintrackandfieldevents.ButSuBingtian28,2．(know)asthe“Chineseflyingman”,becamethefirstmaleChinesesprintertowina3．(globe)medalinanindividualevent.4．March3,hetookthesilverinthemen’s60mfinalattheWorldIndoorChampionshipsintheUK.Inthefinal,SuBingtianranhispersonalbestof6.42seconds,5．(break)theAsianrecordof6.43,whichhealsosetlastmonthinGermany.ThelasttimeaChineseathleteachievedamilestonewasin2004,6．LiuXiangwonagoldmedalinAthensinthe110mhurdles.Inevitably,Su7．(compare)toLiu.“LiuXiangismyidolandalsomyfriend,”SutoldXinhuaNewsAgency.Asamatteroffact,Suhadexpected8．(win)abronzeduringthefinal.“Thereisnodifferencebetweensilver9．bronze.EvenabronzecouldprovethatChinesesprintershavemadebreakthroughsinmajorworld10．(compete),”hesaid.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。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。Attention,swimmer!Pleaselistencarefullytothefollowedinformation、AllguestsmustsignoutandleaveaphotoIDatthefrontdesk、Itisrequiredwhichallswimmersshouldshowerwithsoapbeforeenteringthepool、Inadditionto,allswimmersmustwearproperbathingsuits、Ifourstaffsdeterminedthatyourclothesarenotappropriate,youwillbeforbiddentoenterthepool、Ifyouaresickandhavesignsofillness,don’tusethepool、Pleaseremindyourchildrentousethebathroom、Iftheyhave“accidents”,reportthemtothegymstaffimmediate、Childrenunder10yearsoldmustbeaccompaniedbyaadultatalltimes、Remindchildrenthatspittingnotallowed、第二节书面表达（满分25分）29．（25分）假如你是中学生李华，你的一位美国朋友Dave最近在QQ上与你讨论未来的生活。讨论后你给他发了一封100词左右的电子邮件，从以下几个方面谈论了未来生活。1.随着医学的发展，人类的平均寿命将会达到120岁；2.由于新能源的出现，污染问题将得到控制；3.人们的日常生活也将有很大的变化。如机器人可以为你做家务；椅子的颜色能够随着你所穿的衣服而改变；人们可以到月球上去度假。_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、A2、D3、D4、A5、B6、A7、A8、D9、B10、A11、C12、C13、D14、B15、B16、B17、D18、D19、C20、A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、A2、D3、C4、C22、1、B2、A3、C4、B23、259、D1、A24、1、C2、A3、D25、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-dollartoolkitthatastronautHeidemarieStefanyshynPiperlo