山东省邹城第一中学2025届高考英语一模试卷含解析

山东省邹城第一中学2025届高考英语一模试卷注意事项1．考试结束后，请将本试卷和答题卡一并交回．2．答题前，请务必将自己的姓名、准考证号用0．5毫米黑色墨水的签字笔填写在试卷及答题卡的规定位置．3．请认真核对监考员在答题卡上所粘贴的条形码上的姓名、准考证号与本人是否相符．4．作答选择题，必须用2B铅笔将答题卡上对应选项的方框涂满、涂黑；如需改动，请用橡皮擦干净后，再选涂其他答案．作答非选择题，必须用05毫米黑色墨水的签字笔在答题卡上的指定位置作答，在其他位置作答一律无效．5．如需作图，须用2B铅笔绘、写清楚，线条、符号等须加黑、加粗．第一部分（共20小题，每小题1.5分，满分30分）1．Eggs,meat,vegetablesandotherfoodscaneasilybepoisonedbymicroorganismssuchas______.A．phenomena B．dilemma C．diploma D．bacteria2．Duringthenegotiationtofollow,itcanbearguedthatsharesofforeigncompaniesareovervalued________thereturntheyoffer.A．intermsofB．inmemoryofC．infavorofD．inchargeof3．—Whyareyousolate?—Thedrivercouldn’tseeclearlybecauseofthefog．____,theroadwastooicy．A．Therefore B．Otherwise C．However D．Besides4．Mostofthemoneyforthereconstructionofthequake-strickentownhasbeenallocatedbythegovernment,therest______fromthecomingcharityconcerts.A．tobecollected B．havingbeencollectedC．beingcollected D．tohavebeencollected5．Daniel’sfamily________theirholidayinHuangshanthistimenextweek.A．areenjoying B．aretoenjoy C．willenjoy D．willbeenjoying6．Afterhavingsomealcohol,driverstendtospeedwhenpassingstreetswithlesspeople.A．pullup B．putup C．riseup D．pickup7．—HelenisgoingtoManchesterforfurthereducationnextmonth.—I’m______becauseIhavetostayathomeandwork.A．greenwithenvyB．whiteasasheetC．tickledpinkD．blackandblue8．Don'tgiveuphalfway,andyouwillfindthesceneryismorebeautifulwhenyoureachthedestinationthanwhenyou_______.A．startoff B．havestartedoffC．startedoff D．willstartoff9．TheChinesepeoplearekindandcaring.Ifnot,I_____inChinainthepast30years.A．didn’tstay B．hadn’tstayedC．couldn’tstay D．couldn’thavestayed10．Theteachertoldthechildren______quietinthemuseum.A．keepB．keptC．keepingD．tokeep11．Inmanycountriesintheworld,breakfastisasnack______ameal,butthetraditionalEnglishbreakfastisafullmeal.A．lessthan B．morethanC．otherthan D．ratherthan12．—Amazing!Youwearslippersatwork.—Don’tyouknowit’safashion?A．must B．should C．can D．may13．Mysistermethiminthestreetyesterdayafternoon,sohe______yourlecture.A．shouldn’thaveattended B．couldn’thaveattendedC．mustn’thaveattended D．needn’thaveattended14．Maryseems________thebadnews,forshelooksniceandhappy.A．nottohavelearned B．nottobehearingC．nothavinglearned D．nottobeheard15．AmericansingerTaylorSwift,21,________bigatthe2011AcademyofCountryMusicAwardsintheUSonApril3rd.A．stood B．gave C．scored D．made16．—Isay,Harry.Whatdidyousaytothelaid-offworkerjustnow?—Nothing.Itomyself.A．hadonlytalked B．amonlytalking C．havejusttalked D．wasjusttalking17．China’sBeiDouNavigationSatelliteSystem,whosepositioning________willreach2.5metersby2020,willsoonprovideservicesformorecountries.A．accuracy B．categoryC．function D．reference18．Inthisarticle,youneedtobackupgeneralstatementswith________examples.A．specific B．permanentC．abstract D．universal19．---Excuseme,couldyoutellmethetime,please?---Sorry,Idon’thaveawatchwithme.---___________A．Thanksalot. B．Whatapity.C．I’msorrytohearthat D．Thanksallthesame20．---MyGod!Ihaven’tpreparedthefilesforthenewprojectyet!---_______.Thebosswon’tneedituntilnextFriday.A．There’snodoubt B．There’snopanic C．Goodluck D．Soundsgood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）Itisaplainfactthatweareinaworldwherecompetitionisgoingoninallareasandatalllevels.Thisisexciting.Yet,ontheotherhand,competitionleadstoapragmatic（实用的）attitude.Peoplechoosetolearnthingsthatareuseful,anddothingsthatareprofitable.Today’scollegeeducationisalsoaffectedbythisgeneralsenseofutilitarianism（功利主义）.ManycollegestudentschooseBusiness,LaworComputerProgrammingastheirmajorsconvincedthattheseprofessionsarewherebigmoneyis.Itisnotunusualtoseecollegestudentstakingapart-timejobasawarm-upfortherealbattle.IoftenseemyfriendstakingGREtests,workingonEnglishorcomputercertificatesandtakingthedrivingteststogetalicense.Well,Ihavenothingagainstbeingpractical.Asthecompetitioninthejobmarketgetsmoreandmoresevere,studentsdohavereasonstobepractical.However,weshouldneverforgetthatcollegeeducationismuchmorethanskilltraining.Justimagine,ifutilitarianismbecomesthemaintrendoncampus,leavingnospaceforthecultivation（培养）ofstudents’minds,ordevelopmentoftheirsoul,wewillseeuniversityistrainingwell-trainedspiritlessworkingmachines.Ifutilitarianismcontrolssociety,wewillseepeoplelostinthemoney-makingadventures,humanitylosingitsgraceanddignity,andthatwouldbedisastrous.I’dliketothinksocietyasencouragingandpeopleregardprofitorfameonlyasahorsethatpullsthecourage.Yetwithoutthedriverpickingdirection,thecouragewouldgostraightandmayevenendupinadangeroussituation.Acertificatemaygiveyousomeadvantages,butnotbroadhorizons,positiveattitudesandpersonalintegrity（诚实正直）,whicharethewealthyoucannotacquirethroughanyquickfixedway.Intoday’sworld,thehighestlevelofcompetitionmaynotbethatofskillsorexpertise（专门技能）,butofvisionandstrategy,andyourintellectualqualitylargelydetermineshowfaryoucangoinyourcareer.1、Theauthor’sattitudetowardtoday’scollegeeducationis.A．positiveB．cautiousC．criticalD．doubtful2、ManycollegestudentschoosetomajorinBusinessbecause.A．abusinessmanisverylikelytomakebigmoneyB．studyingbusinessislesscompetitiveC．toomanystudentshavechosenComputerProgrammingD．ComputerProgrammingisnotamustforthem3、Theauthordoesstronglysuggestthat.A．morecompetitionbeencouragedoncampusB．peopleshouldnotignorethevalueofbroadhorizons,positiveattitudesandpersonalintegrityC．intellectualqualitydeterminehowfaronecangoinhis/hercareerD．collegestudentsgetasmanypart-timejobsaspossible4、Intheauthor’sopinion,.A．collegestudentsarenotpragmaticenoughB．collegestudentsshouldhavedriverspickdirectionforthemC．collegeeducationshouldprovidestudentswithmorebusinesscoursesD．collegeeducationshouldvaluethecultivationofstudents’minds22．（8分）TherearecampusmuseumsalloverChinathatoffervariouscollectionsandmakeforeye-openingvisits.BeijingAirandSpaceMuseumatBeihangUniversityAdmission:freeOpeninghours:TuesdayandSaturday,9:00am-12:00pmHighlights:Includedamongthemorethan300historicaircraftandspaceartifactsareoneofthetwoNorthropP-61BlackWidowsintheworldandChina’sfirstlightairliner,Beijing1.FudanUniversityMuseumAdmission:freeOpeninghours:TuesdaytoFriday,9:00am-11:30amand1:30pm-4:30pmHighlights:AuniquecollectionofnativeartifactsfromtheGaoshanaboriginesinTaiwan.Someofthem,suchaspearlvests,arerarelyseeneveninTaiwan.ChinaIchthyicCultureMuseumatShanghaiOceanUniversityAdmission:10yuanOpeninghours:MondaytoFriday,9:00am-11:30amand1:30pm-4:00pmHighlights:Inthiscollectionofmorethan40,000specimensofabout3,000ocean-dwellingspecies,themosteye-catchingoneisan18.4-meter-longspermwhaleskeleton.YifuMuseumofChinaUniversityofGeosciencesAdmission:40yuan;halfpriceforstudentsOpeninghours:MondaytoFriday,8:30am-12:00pmand2:30pm-5:00pm;weekendsandholidays,9:00am-4:30pmHighlights:Ithousesacollectionofmorethan30,000mineralandrockspecimens,morethan2,000ofwhicharerareoneslikethemuseum’swell-knowndinosaurfossils.ChinaAcademyMuseumatHunanUniversityAdmission:50yuanOpeninghours:MondaytoSunday,8:00am-6:30pminsummerand8:30am-6:00pminwinterHighlights:China’sonlymuseumtofeaturethehistoryofacademiesandculturaleducationinthecountry.1、Whichmuseumwillyouchooseifyou’reinterestedinseaspecies?A．ChinaAcademyMuseumatHunanUniversity.B．YifuMuseumofChinaUniversityofGeosciences.C．BeijingAirandSpaceMuseumatBeihangUniversity.D．ChinaIchthyicCultureMuseumatShanghaiOceanUniversity.2、WhatcanyouseeinYifuMuseumofChinaUniversityofGeosciences?A．Spaceartifacts. B．Dinosaurfossils.C．Nativeartifacts. D．Spermwhaleskeletons.3、WhencanyougotoChinaAcademyMuseumatHunanUniversity?A．OnTuesday6:00pminwinter.B．OnSaturday8:00aminwinter.C．OnSunday6:30pminsummer.D．OnWednesday8:00aminsummer.23．（8分）WiththeaverageAmericangoingthroughmorethan700poundsofpaperperyear,manyfirmsarelookingforwaystodiscouragetheiremployeesfromover-usingtheofficeprinter.ToshibaAmericanBusinessSolutionshascomeupwithanalternativeidea.Ithasintroducedthee-STUDIO4508LP,aprinterthatgivesuserstheoptiontoprintwitherasabletoner(墨粉)一allowingasinglepieceofpapertobereusedseveraltimes.Toreuseapieceofpaper,theprinterbasicallyusesthesameprocessasanormalprinter,butinreverse(反过来），saidBillMelo,chiefmarketingexecutiveforToshibaAmericaBusinessSolutions.Paperprintedwiththeerasabletonerisfedbackintotheprinter,superheated,andthetonergetsremovedandputinadiscard(丢弃）tank.Thereareacoupleofcatches.Alloftheprintoutsusingtheerasabletonerhavetobeinblueink,whichistheonlycolorinwhicherasabletonerisnowavailable.Andthecompanysaidthatpeoplemaywanttostopreusingtheprintoutsafterfivetimesthroughtheeraserbecausesmalltracesoferasedtextwillbuildupovertime.The$15,420printerisaimedatofficesandschools，wherethereareoftenlargenumbersofprintoutsthatoutlivetheirusefulnessquickly.Withtheerasabletoner,it’spossibletoloadanyshort-livedhandoutsbackontotheprintertobeerasedandthenreused.Still,convincingcustomerstocommittoerasabletonerisn’talwayseasy.Melosaidnotallitscustomerswerehappyaboutonlyhavingtheerasableoption.Themodel,Melosaid,shouldbetterservetheneedsofthosewhowanttobeenvironmentallyconsciousbutalsomayneedsomethingmorepermanentonoccasion.1、What’sspecialaboutToshiba’sprinter?A．It’slow-priced.B．It’sfashionable.C．It’slightweight.D．It’seco-friendly.2、What’sthekeytomakingtheprinterwork?A．Adiscardtank.B．Lightcoloredink.C．Specialwritingpaper.D．Ahighenoughtemperature.3、Whatdoestheunderlinedword“catches”inParagraph4mean?A．Theories.B．Problems.C．Differences.D．Characteristics.4、Howdidthepublicrespondtotheprinter?A．Theyaskedformorepatterns.B．Someexpresseddissatisfaction.C．Someworriedaboutitsrecycling.D．Theyconsideredithardtooperate.24．（8分）72hoursinBeijingTravelingtoChinaisnolongeraluxuryformanyforeignpassportholders.TheChinesegovernmenthaspermitteda72-hourvisa-freepolicythatoffersaccesstovisitorsfrom53countriesincludingtheUS,FranceandAustria.Let’sstartwiththecapitalofChina,BeijingHere'sapickofthebestinBeijing!MutianyuGreatWallYourtriptoBeijingisn'treallycompletewithoutseeingoneofthe“NewSevenWondersoftheWorld”,theGreatWallofChina,TheMutianyusectionoftheGreatWallisbyfarthemostwell-preservedofall.Takingaonehourbusride,Mutianyuwouldbeyourideallocationforahalf-dayofhikingawayfromthelargecrowdsinthecity.Also,theauthoritieshaveallowedtouriststopaintgraffitionaspecificsectionoftheGreatWallsince2014.TheGreatWallwasdesignatedaUNESCOWorldHeritagesitein1987.798ArtZoneThiswouldbeonthetopofmylist!Namedafterthe798factorythatwasbuiltinthe1950s,theartzoneishometovariousgalleries,designstudios,artexhibitionspaces,fashionableshopsandbars.Youcouldeasilyspendhalfyourdaywanderingaroundthecomplex,feelingthecontrastofthepresentandthepast.SummerPalaceLocatedinnorthwesternBeijing,theSummerPalaceisbyfarthecity’smostwell-preservedroyalpark.Withitshugelakeandhilltopviews,thepalaceoffersyouapastoralescapeintothelandscapeoftraditionalChinesepaintings.TheSummerPalacewasaddedtotheUNESCOWorldHeritageListin1998.SichuanProvincialRestaurantWhileinBeijing,apartfromtryingthecity’sbest-knownPekingduck,theSichuanprovincialrestaurantisoneofplaceswhereyoucanenjoyregionaldeliciousfood.ItoffersoneofChina’seightgreatcuisines,Sichuan,whichrangesfromMapotofutospicychicken.1、WhichofthefollowingistrueabouttheMutianyuGreatWall?A．Itisthemostwell-preservedpartoftheGreatWall.B．YoucanpaintgraffitianywhereC．Youneedahalf-daytogetthere.D．ItwasdesignatedaUNESCOWorldHeritagesitein20142、WhenwastheSummerPalaceaddedtotheUNESCOWorldHeritageList?A．In1950. B．In1987C．In1998 D．In2014.3、WhichplaceistheauthorsfirstchoicewhenvisitingBeijing?A．MutianyuGreatWall. B．SummerPalace.C．798ArtZone D．SichuanProvincialRestaurant.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）Iflifewereabookandyouweretheauthor,howwouldyoulikethestorytogo?Thatisthequestionthat1mylifeforever.OnedayIwenthomefromthetrainingofsnowboardingwithwhatIthoughtwastheflu,andlessthan24hourslater,Iwasina2onlifesupportwithlessthantwopercent3ofliving.Itwasn’tuntildayslaterthatthedoctorsdiagnosed(诊断)mewitha4bloodinfection.Overthe5of2.5months,Ilostthehearinginmyleftearandbothmylegsbelowtheknee.Whenmyparents6meoutofthehospital,I7thatIhadbeenputtogetherlikeapatchwork(拼缝物)dollandIhadtolivewith8legs.Iwasabsolutelyphysicallyandemotionallybroken,9streamingdown.ButIknewinordertomoveforward,IhadtoletgooftheOldAmyand10theNewAmy.ItwasatthismomentthatIaskedmyselfthatsignificant11.Andthatiswhenit12methatIdidn’thavetobefive-foot-fiveanymore,13IcouldbeastallasIwanted.And14ofall,Icanmakemyfeetthesizeofalltheshoes.Sotherewere15here.Fourmonthslater,1wasbackupona16.AndthisFebruary,IwontwoBoardWorldCupgoldmedals,17methehighestrankedsnowboarderintheworld.So,insteadoflookingatour18andourlimitationsassomething19orbad,wecanbeginlookingatthemasawonderful20thatcanbeusedtohelpusgofurtherthanweeverknowwecouldgo.1、A．saved B．risked C．ruined D．changed2、A．hospital B．club C．field D．stadium3、A．thought B．degree C．chance D．decision4、A．mild B．severe C．potential D．slight5、A．journey B．break C．course D．schedule6、A．wheeled B．dragged C．pulled D．delivered7、A．madesure B．feltlike C．workedout D．putforward8、A．muscled B．heavy C．shapely D．false9、A．blood B．sweat C．tears D．water10、A．hug B．recognize C．fix D．introduce11、A．plan B．question C．information D．favor12、A．dawnedon B．knockedinto C．dependedon D．lookedinto13、A．although B．so C．while D．but14、A．first B．strangest C．best D．luckiest15、A．struggles B．benefits C．rewards D．conflicts16、A．stage B．snowboard C．track D．playground17、A．allowing B．giving C．calling D．making18、A．challenges B．achievements C．devotions D．hesitations19、A．active B．amazing C．negative D．terminal20、A．ability B．skill C．tool D．gift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）Asachild，IshowedgreatinterestinChinesecultureandIalwayslookedforwardtovisitingChina.Andnowmydream1．(come)true.Iamspendingawholeyear2．(teach)oralEnglishinaChinesehighschool.MypreviousteachingexperiencegivesmelotsofhelpandnowIhaveconfidenceinmyteaching3．(able).Ibelievethatpracticemakesperfect.Therefore，Ioftenencouragemystudentstoexpress4．(they)inEnglish.Ialsoliketoplaygamesinclass，aswellasdoingartprojects，actingandhavingdiscussions.ToteachEnglish5．aforeignlanguageinanon-English-speakingcountrycanbequitechallengingattimes.ThestudentsarenotoftensurroundedbyEnglish,6．makesitdifficultforthemtounderstandthematerials7．(deliver)tothem.Whatmakesthingseven8．(hard)isthefactthattheEnglishtheycomeacrossisoftenincorrect,9．,whilegrammaticallycorrect,isnotatallnative-sounding.ThiskindofEnglish,Ithink,canactuallybe10．(harm)tostudents’learning.However，maybe“Chinglish”，bothwrittenandspoken，isjustoneofthestepstobuildingacountryfullofEnglishspeakers.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短文。短文中共有10处错误，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（∧），并在此符号下面写出该加的词。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。Severalyearsago,LisaandIhappenedtostartingapplyingforajobatthesamebank.Aftergraduation,wewentthroughtrainingtogetherorwerejustgivenpart-timeposition.Afewmonthslate,onefull-timepositionfinalopenedup.Inthefact,webothreallyneededtheextraincome.ButwhenLisaofferedthefull-timeposition,shetoldthemanagerthatheshouldofferittoherfirst.SheaddedthatshewilltakethejobonlyifIdeclined.Ihavelosttouchofhereversince,butthatwasoneofthekindestthingsanyonehadeverdoneforme.第二节书面表达（满分25分）29．（25分）假如你是李华，你的美国朋友Carl在学习汉语的时候遇到下图的成语。他来信向你求助，想了解这个成语的意思。请你给他写一封回信，信的内容要包括以下要点：1.解释这个成语的意思和它的离意：2.说明在什么情况下适合使用这个成语；3.鼓励Carl继续学习汉语。注意：1.词数100左右：2.可以适当增加细节，以使行文连贯参考词汇：成语idiom；高言fable；树桩（tree）stump____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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、D4、A5、D6、D7、A8、C9、D10、D11、D12、B13、B14、A15、C16、D17、A18、A19、D20、B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、C2、A3、B4、D22、1、D2、B3、D23、1、D2、D3、B4、B24、1、A2、C3、C25、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.Themajorproblemwiththespacetrashisthatitmayhitworkin