浙江省“温州八校”2024届高考冲刺英语模拟试题含解析_第1页
浙江省“温州八校”2024届高考冲刺英语模拟试题含解析_第2页
浙江省“温州八校”2024届高考冲刺英语模拟试题含解析_第3页
浙江省“温州八校”2024届高考冲刺英语模拟试题含解析_第4页
浙江省“温州八校”2024届高考冲刺英语模拟试题含解析_第5页
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浙江省“温州八校”2024届高考冲刺英语模拟试题注意事项:1.答题前,考生先将自己的姓名、准考证号填写清楚,将条形码准确粘贴在考生信息条形码粘贴区。2.选择题必须使用2B铅笔填涂;非选择题必须使用0.5毫米黑色字迹的签字笔书写,字体工整、笔迹清楚。3.请按照题号顺序在各题目的答题区域内作答,超出答题区域书写的答案无效;在草稿纸、试题卷上答题无效。4.保持卡面清洁,不要折叠,不要弄破、弄皱,不准使用涂改液、修正带、刮纸刀。第一部分(共20小题,每小题1.5分,满分30分)1.—AreyoucomingtoJeff’sparty?—I’mnotsure.I______gototheconcertinstead.A.must B.wouldC.should D.might2.Takingtargetedmeasurestohelppeopleliftthemselvesoutofpoverty,_____hasbeenpredicted,isfruitful.A.whatB.whichC.asD.that3.—Whydidyoucomebytaxi?—MycarbrokedownlastweekandIstillitrepaired.A.didn’thave B.hadn’thadC.haven’thad D.won’thave4.Theyfelt________itwashightaxandlowincome________contributedtotheextrememiseryoftheworkingpeopleatthebottomoftheladder.A./;that B.that;whichC.that;what D./;which5.—Whereareyougoingtohangthepicture?—Ihaven’tdecidedyet.I________hangitinthediningroom.A.might B.mustC.need D.would6.Timeispressing.Youcannotstartyourtask_____soon.A.too B.very C.so D.as7.Itwasannouncedthatonlyafterthecandidates’paperswerecollected_____toleavetheroom.A.hadtheybeenpermittedB.wouldtheybepermittedC.thattheywouldbepermittedD.thattheyhadbeenpermitted8.IntheUS,therearecurrentlyover5,000communityschools_____,inadditiontoservingaseducationalinstitutions,functionascommunitycentersforthesurroundingneighborhood.A.which B.whereC.whose D.as9.Wearecommittedtocreatingaworldfreefromthehomelessandthehopeless,aworld_______eachandeverycornerisatrueparadise.A.that B.whichC.ofwhich D.fromwhere10.—Doyouknowwhenyourmother________topickyouup?—At11:40am.A.hadcomeB.iscomingC.hascomeD.wouldcome11.Thecompanybegantoproducesilkunderwearlastyear,mostof________importedtoEurope.A.itB.themC.thatD.which12.After________________asandstormwarningonSundayevening,meteorologistsforecastthatdustyweatherwillcontinueinpartsofthecountryonMonday.A.breakingoff B.callingoff C.leavingoff D.puttingoff13.IntheNameofPeople,apopularTVdrama,showsadeep________onthefightagainstcorruption.A.argumentB.themeC.reflectionD.impression14.Whatisyourmainreasonforchoosingonerestaurantanother?A.overB.ofC.fromD.for15.Someonecalledmeupatmidnight,buthehadhungupIcouldanswerthephone.A.asB.sinceC.untilD.before16.Policementhinkthatwherethereisviolence,drugswithdamagingeffectsonkidsarealways______it.A.beyond B.before C.behind D.besides17.Bythesideoftheteachingbuildingofourschool_____,whichwascompletedin2009. A.therestandingthelibrary B.doesthelibrarystand C.thelibrarystands D.standsthelibrary18.“________Iwentthroughupsanddownsinlife,”Gordonsaid,“Ineverfoundtheimportanceofbeingself­disciplinedaswellasthesignificanceoflife.”A.IfB.SinceC.UntilD.Unless19.TheartistissaidduringtheproductionandthusapiratedvideowassoldineverypartofKenya.A.tobecheated B.beingcheatedC.tohavebeencheated D.havingbeencheated20.Communicationcanhelpyougainmorerespectfromyourparents,andyoumaybeabletoreach____thatmakeeveryonehappy.A.compromises B.contributions C.congratulations D.competitions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)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.Howtotakeaplane22.(8分)FrankLloydWrightwasthechampionoforganicarchitecture,astyleofbuildingmeanttoharmonizewithnature.ButI’mnotsureharmonizingwithchipmunks—smallAmericananimalssimilartosquirrelswithblacklinesontheirfur—waswhathehadinmind.DuringmyyearswiththeUSNationalParkService,IspentsixmonthsworkinginavisitorcenterdesignedbyWright’sfirm.SeveralotheremployeesandIstaffedthepark’sphoneandradiosystemfromaroominthebasement.IwassittingatmydeskwhenIfirstheardasoundinthesuspendedceiling.Darkshapesmovedfastacrossthelightpanel(光板)abovemyhead.Momentslater,theyranbackintheoppositedirection,leavingmewithanimpressionofnosesandtails,eachtailfollowedbyanothernose.Itwaslikewatchingashadowpuppet(皮影)performance,butwithrealanimals.“Babychipmunks,”afellowtoldme.“Theyliveintheceiling.”Afterfoursummersworkingintheparks,Ihadgrownaccustomedtosharingindoorspacewithwildlife.Chipmunksintheworkplaceevenseemedtobeajoy;theirbehaviorsprovidedabitofstressreliefondifficultdays.Assummerprogressed,theshadowschasingeachotheracrossourlightsgrewbigger.Theirmovementacrossthelightpanelshadbecomemoreofanathleticrunning.IhadjustansweredacallonedaywhenIheardaloudsound,andaceilingpanelfelldownonmyhead.IdroppedthephoneasIfelloutofmyofficechair,lookingupjustintimetoseeabrowntaildisappearoverthegapintheceiling.Ipulledmyselfoffthecarpet,laughingwithmyco-workers,andnoticedthephonehangingoverthesideofthedesk.Ipickedupthephone,preparingtoexplainthecrash,thescream,thedroppedphone,andthelaughingtothelistenerwhowasabouttovisitthepark.“I’msorry,butyou’renotgoingtobelievewhatjusthappened.”Idon’tthinkhedid.1、Whatdoestheauthorprobablydo?A.He’savisitor.B.He’sabiologist.C.He’sanarchitect.D.He’saconsultant.2、Whatwerethechipmunksdoingwhentheauthorfoundthemforthefirsttime?A.Theywerechasingeachother.B.Theyweremakingtheirhome.C.Theywerejumpingontothelights.D.Theywereclimbinguptotheceiling.3、Howdidtheauthorfeelaboutseeingchipmunksinhisoffice?A.Scared.B.Curious.C.Pleased.D.Shocked.4、Whatwasthemaincauseoftheaccidentwhentheauthorwasmakingaphonecall?A.Thechipmunkswerefightingonthepanel.B.Thepanelcouldn’tbearthechipmunks’weight.C.Somethinghittheceilingfromhighabove.D.Thesuspendedceilingwasnotfirm.5、Whowastheauthortalkingtooverthephone?A.Oneofhisfriends.B.FrankLloydWright.C.Afutureparkvisitor.D.Oneofhiscolleagues.23.(8分)Thesecrettolivinglongercouldbeassimpleaspickingupyourwalkingpace,accordingtoanewstudy.ResearchersfromtheUniversityofSydneyfoundthatwalkingatabrisk(快的)orfastpacewasassociatedwithariskreductionof24percentforanycauseofdeath.Thiseffectwasevenmoreobviousinolderagegroup,withfastwalkersovertheageof60reducingtheirriskofdeathbyasurprising53percent.ProfessorEmmanuelStamatakis,wholedthestudy,explained,“Afastpaceisgenerallyfivetosixkilometersperhour,butitreallydependsonawalker’sfitnesslevels;analternativesindicatoristowalkatapacethatmakesyouslightlyoutofbreathorsweaty.”Inthestudy,theresearcherslookedattheresultsof11surveysfrom134to2008,inwhichparticipantsrecordedtheirwalkingpace,aswellasage,sexandBMI.Theanalysisshowedthatwalkingatanaveragepacewasassociatedwitha20percentriskreductionforall-causemortality(死亡率)comparedwithwalkingataslowpace,whilewalkingatabriskorfastpacewasassociatedwithariskreductionof24percent.Theresearchershopethefindingswillencouragethedevelopmentofpublichealthmessageaboutthebenefitsofwalkingpace.ProfessorStamatakisadded,“Theseanalysessuggestthatincreasingwalkingpacemaybeastraightforwardwayforpeopletoimprovehearthealthandriskforprematuremortality---providingasimplemessageforpublichealthcampaignstopromote.“Especiallyinsituationswhenwalkingmoreisn’tpossibleduetotimepressuresoralesswalking-friendlyenvironment,walkingfastermaybeagoodoptiontogettheheartrateup---onethatmostpeoplecaneasilyaddtotheirlives.”1、Whobenefitmostfromwalkingfast?A.Cancersufferers. B.Theelderly.C.Thosewhohaveheartproblems. D.ThosewhohavehighBMI.2、WhatdecideshowfastapersoncanwalkaccordingtoProfessorStamatakis?A.His/Herfitnesslevels. B.His/Herages.C.His/Herwill. D.His/HerBMI.3、Whycanwalkingfastreducedeathrate?A.Mostpeoplelikedoingit. B.Itbenefitstheheart.C.Itreducescancermortality. D.Mostpeoplecandoiteasily.4、Whatisthemainideaofthetext?A.Walkingiseasyexerciseforpeopletodo.B.Walkinghasreceivedlittleattentionuntilnow.C.Moreandmorepeoplearewalkingfastforhealth.D.Afastwalkingpacecanbenefitpeople’shealth.24.(8分)Itwasacoldwinter.Thewindblewallnightandthesnowwasblinding.Whenmorningcame,mythreechildrenandIgotupandmadeourwaytothewindows.Aswelookedoutthewindow,wesawthatthehenhousewasgone.Ourthreehenshadbeenblownaway.Ilookedattheemptinessoutside.ThenIsawallthreechickenssataroundtheedgeofawhitebucket.Howwasthisviolentwindnotblowingthemintothefieldbeyond?Iquicklypulledonlongsnowpantsandheavywintercoat,wrappedascarfandstuckmyfeetintoverylargeboots.Ishoutedatthewindasitblew.Iwasalone,saveformychildren.Theystaredoutthewindowintothevastwhiteseaofsnow,theireyespeeledforanysignofmovement.OutsideIheardthesoundofmybootsasIwalkedagainstthewind.Thesnowcirclingaroundme,Isteadilymademywaytothesoftcluck-cluck-clucksoundmyhensalwaysmade.WhenIreachedthem,Isawthattheirlittlefeetwereholdingontotheedgeofthebucket,headsbentforwardandawayfromthewind.Igentlyliftedeachhenandputitcarefullyintothewarminside.ThenIbeganthefreezingwalkbacktothesmallsheddirectlybehindourhouse.OnebyoneIlaidmychickensonthecoldfloor,andtheybegantoclucksoftly.AsIshutthesheddoors,myeyeswentdirectlytothewindowwheremychildrenwerewatching.Theyjumpedupanddowncheering,andsodidI!Iwasn’tsomedragonslayer(屠龙者)fromafairytale.Iwassimplyamom,butthelookonmychildren’sfacestoldmethattheythoughtIwasaheromom.1、Seeingallthreechickenssittingaroundthebucket,theauthorfelt______.A.incredibleB.worriedC.shyD.confident2、Howdoestheauthorreachthehens

?A.Bysearchingforthewhitebucket.B.Bywearingprotectiveclothes.C.Byfollowingthesoundofthehens.D.Byshoutingatthehenhouse.3、Fromthestory,weknowthat_________.A.theauthor’schildrenlikeddragonslayersB.thechildrenwatchedtheirmotherallthewayC.theauthorstruggledtobeaheroD.theauthorenjoyedherselfinthesnow4、Whatmightbethebesttitleforthetext?A.Weatherinextreme.B.Hensintrouble.C.Kindnessinneed.D.Herointhesnow.25.(10分)It’s3o’clockandyou’vebeenhardatwork.Asyousitatyourdesk,astrongdesireforchocolateovercomesyou.Youtrytobusyyourselftomakeitgoaway.Butitdoesn’t.Hereisanothersituation.Perhapsyouarenotfeelingwell.Theonlythingyouwanttoeatisabigbowlofchickensoup,likeyourmumusedtomakewhenyouweresickasachild.Foodcravingsareastrongdesireforaspecifictypeoffood.Andtheyarenormal.ScientistsatthewebsiteHowStuffWorkscomparehungerandcravingsthisway.Hungerisafairlysimpleconnectionbetweenthestomachandthebrain.Theyevencallitsimply“stomachhunger”.Whenourstomachsburnupallofthefoodwehaveeaten,ahormone(激素)sendsamessagetoonepartofthebrainformorefood,whichregulatesourmostbasicbodyfunctionssuchasthirst,hungerandsleep.Thebrainthenproducesachemicaltostarttheappetiteandyoueat.Hungerisafunctionofsurvival.Acravingismorecomplex.Itactivatesbrainareasrelatedtoemotion,memoryandreward.Thesearethesameareasofthebrainactivatedduringdrug-cravingstudies.Becauseofthis,somescientistscallfoodcravings“mindhunger”.Peopleoftencravefoodsthatarehighinfatandsugar.Foodsthatarehighinfatorhighinsugarproducechemicalsinthebrain.Thesechemicalsgiveusfeelingsofpleasure.Ina2007study,researchersatCambridgeUniversityfoundthatdietingorrestrictedeatinggenerallyincreasesthepossibilityoffoodcravings.So,themoreyoudenyyourselfafoodthatyouwant,themoreyoumaycraveit.However,fasting(禁食)isabitdifferent.Theyfoundthateatingnofoodatallforashortperiodoftimelessenedfoodcravings.So,thenexttimeyoucravesomethingveryspecific,knowthatyourbrainmaybemoretoblamethanyourstomach.1、Whatisthefunctionofthefirstparagraph?A.Todeepentheunderstandingofhunger.B.Toleadtothetopicofthewholepassage.C.Toreportthediscoveryofcravingstudy.D.Toremindreadersoftheirownspecialfood.2、Whatdowelearnaboutfoodcravings?A.Itmeansthestomachfunctionswell. B.Itensuresapersonsurviveshunger.C.Itshowsfoodislinkedtofeelings. D.Itprovesthebraindecidesyourappetite.3、What’sthelikelyresultofdieting?A.Theincreaseoffooddesire. B.Thedecreaseofchemicals.C.Therefusaloffatandsugar. D.Thedisappearanceofappetite.4、Whatdoesthepassagemainlydiscuss?A.Thefindingsoffoodcravings. B.Whathungerisallabout.C.Thefunctionsofbrainareas. D.Whatdietingmaybringus.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)MymostrewardingexperiencethroughoutthepasttwoyearswasvolunteeringattheswimmingcompetitionforSpecialOlympicswhereadisabledfriendofmycommunitytookpart.Thishadspecial1formebecauseexperiencingithelpedimprovemyleadershipskills,mycharacter,andsupportmycommunity.First,myleadershipskillsdevelopedwhenI2directedeachswimmerwheretolineupattheplatformand3eachplayerwhentheyneededtoswim.Ihadtomakesurethattheswimmerswere4andreadytoperform.Thiskeptmeonmyfeetatalltimesand5ofeachevent’stimeandlocation.Ilearnedeachswimmer’sname,sincemanyofthemswaminmorethanone6.Secondly,my7wasgreatlyimprovedwhenIsawtheswimmersgettheirawardsforwinningeachswimmingevent,Iwas8thatmostswimmerscouldswimbetterthanI.Itastonishedmebytheir9attitudes,whethertheywonorlost.Thisalsoexpandedmyhorizons,offeringmetheopportunityto10peopleIwouldnormallynotcomeacross.Iwentoutofmy11zoneanddidwhateverwasneededtobedone.Itwasespecially12whenIsawthecheerfulfacesoftheplayers.Lastly,Iwasof13tomycommunitybylendingahandtothisorganizationinneedof14.Tobea15ofitgavemeachancetoimprovemycommunityandbecome16withthepeoplelivinginthisarea.AsWinstonChurchilloncesaid,“Wemakealivingbywhatwedo,butwemakealitebywhatwegive.”The17shouldbedonethroughoutyourlife.18,throughthemanyopportunitiesmycommunityhasofferedIwasprivilegedtobe19inthisexcitingandimportanteventintheseplayers’lives.Ihopetobea(n)20atthiseventinyearstocome.1、A.purposeB.meaningC.backgroundD.regulation2、A.equallyB.amazinglyC.strictlyD.independently3、A.taughtB.informedC.awardedD.compared4、A.positionedB.preservedC.valuedD.evaluated5、A.proudB.certainC.awareD.capable6、A.decisionB.applicationC.countryD.event7、A.figureB.abilityC.characterD.technique8、A.blamedB.impressedC.remindedD.concerned9、A.changeableB.criticalC.variousD.positive10、A.meetB.gatherC.introduceD.recommend11、A.imaginationB.availabilityC.comfortD.development12、A.embarrassingB.rewardingC.outstandingD.relaxing13、A.serviceB.courageC.wisdomD.significance14、A.helpB.moneyC.sympathyD.attention15、A.playerB.refereeC.plot.D.part16、A.acquaintedB.combinedC.surroundedD.faced17、A.travelingB.consultingC.volunteeringD.cooperating18、A.EventuallyB.GenerallyC.AdditionallyD.Fortunately19、A.desiredB.educatedC.involvedD.influenced20、A.judgeB.assistantC.trainerD.announcer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)RecentlyLindsayhasn’tfeltherself.Shewasareallygoodstudent,buthergrades1.(fall)sincethreemonthsago.Thisisbecauseshesometimeshastrouble2..(concentrate)onherstudy.Shealsorefuses3.(talk)withteachersandfriends.What’sworse,shefeels4.(tire)allthetimebuthasdifficultyinfallingasleep.Herbehaviorattractshermother’sattention.Hermotherasksherwhat5.(happen)toher,butshejustcries.Asamatteroffact,Lindsayis6.(suffer)fromclinicaldepression(临床抑郁症).Whatisclinicaldepression?Itcanbedescribedasamoodwhichis7.lowthatitaffectsyourdailylife8.(serious).Thefirstsignsofitinteensare9.(poor)schoolreportsthanbefore,learningdifficultiesandstayingawayfromclassmatesandteachers.10.youhavethesesigns,don’tworry.Itisnotsodifficulttodealwithclinicaldepression.Therearemanyeffectiveways,suchasmedicine,smalltalk,moreexerciseandabalanceddiet.第四部分写作(共两节)第一节短文改错(满分10分)28.(10分)短文改错(共10处错误,每处1分,满分10分)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1处起)不计分。Oneday,alittlegirlfeltdownontotheground.Aboywentoverandwantedtohelpherup,buthismotherstoppedhim,say,“Don’tdothat,orotherswillthinkyouhadknockedherdown、”Anotherday,themother,muchsurprised,sawthattheirsonjustwatchedthefallenoilbottlelyingonthegroundasifnothinghashappened.Whenaskedwhy,thesonanswered,“IfIhadhelpthebottleup,youwouldhavethoughtthatIdidit、”Idon’tagreewithwhatthemotherdid.Ithinkthatparentsshouldlettheirchildrentoknowitisapleasuretohelpotherswhoisintrouble.Wearebigfamily.Weshouldcareforandhelpeachother.第二节书面表达(满分25分)29.(25分)假定你是李华,你的美国朋友David要来中国进行短期旅游。请你给他写封邮件,邀请他参加你的生日聚会。内容包括:1.见面时间:周日下午5点;2.见面地点:学校大门口;3.具体活动:吃饭、看电影等。注意:1.词数100左右;2.可以适当增加细节,以使行文连贯。____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

参考答案第一部分(共20小题,每小题1.5分,满分30分)1、D2、C3、C4、A5、A6、A7、B8、A9、C10、B11、A12、B13、C14、A15、D16、C17、D18、C19、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、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-dollartoolkitthatastronaut

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