2025届湖南省凤凰县凤凰皇仓中学高三下学期第五次调研考试英语试题含解析

2025届湖南省凤凰县凤凰皇仓中学高三下学期第五次调研考试英语试题注意事项:1．答题前，考生先将自己的姓名、准考证号码填写清楚，将条形码准确粘贴在条形码区域内。2．答题时请按要求用笔。3．请按照题号顺序在答题卡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、试卷上答题无效。4．作图可先使用铅笔画出，确定后必须用黑色字迹的签字笔描黑。5．保持卡面清洁，不要折暴、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．Sallylikesgoingtoschool______shehasgotmanygoodfriendsthere.A．or B．because C．unless D．so2．Weshouldbearinmindthatsocialdevelopmentandbalanceofnatureshouldgoin.A．company B．sympathy C．association D．harmony3．Emphasisonquantityofgrowthoverlookedgapsinthequality,_____manyaspectsofthesocialservicesneglected.A．havingleft B．tobeleaving C．tohaveleft D．leaving4．Parentsneedtoencouragekidstodeveloptheirpotential_____puttingtoomuchpressureonthem.A．withoutB．besidesC．byD．for5．______exactlywhatwaswrongwithhim,thedoctorsgavehimacompleteexamination.A．TodiscoverB．DiscoveringC．DiscoveredD．Havingbeendiscovered6．Thescientistdoesnotstudynature________itisusefultodoso.Hestudiesitbecausehetakespleasureinit.A．until B．becauseC．though D．unless7．Thetwogirlsaregettingonverywellandshare_______witheachother.A．little B．much C．some D．none8．—Iamgainingweight.Ineedtoseeadoctor.—ButIthinkyoueattoomuch.___________.A．Neglectofhealthisdoctor’swealth B．Laughatyourills,andsavedoctors’billsC．Dietcuresmorethanthedoctor D．Anappleadaykeepsthedoctoraway9．I'mcallingtoenquireabouttheposition__________inyesterday'sChinaDaily.A．advertised B．tobeadvertised C．advertising D．havingadvertised10．Youhaveabigmouth,Tom.Youhavetoldeverybodythesecret.A．shouldn’t B．mustn’t C．can’t D．mightn’t11．Inviewofrapidlyagingpopulation,thesecond-childpolicyatthestartof2016.A．isadoptedB．wasadoptedC．hasbeenadoptedD．wasbeingadopted12．Please________yourashesbeforeitfailsonthecarpet.A．cutoff B．knockoffC．getoff D．dropoff13．Ifyouhaveajob,______yourselftoitandfinallyyou’llsucceed.A．dodevote B．todevoteC．devoting D．devoted14．Facedwitheconomicslowdown,somecompaniesareplanningtouserobotsto______humanworkerstoreducetheirlaborcosts.A．compensate B．substituteC．symbolize D．discriminate15．IwishI______photographythen.Ifso,Icouldgiveyouahandatpresent.A．studied B．hadstudiedC．havestudied D．willstudy16．Amythisanaccountofthedeedsofagodorsupernaturalbeings,usuallyexpressedintermsof______thought.A．primary B．capital C．initial D．primitive17．Ourcountryhaslaunchedacampaigntobansmokinginpublicplaces,whichwithsomeheavysmokers.A．concernsB．wasconcernedC．concernedD．isconcerned18．Wereallyemphasizetheimportanceofputting______safeguardstopreventchildren’sidentitiesfromfallinginwrongpeople’shands.A．inplaceB．invainC．inquestionD．inearnest19．—Whatwasitthatcausedthepartytobeputoff?—________theinvitations.A．BecauseTomdelayedsendingB．TomdelayedtosendC．ThatTomdelayedsendingD．Tomdelayedsending20．Membershipofthisclubisopentothosewhoareitsaim.A．insalutetoB．inhonourofC．inlinewithD．insympathywith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）“Don’tanswerit,”IsaidtoSam.Ourdoorintheinnercityisconstantlyknockedon;ourpreviousdoorinthesuburbsrarelyso.Samhasafull-timejobandcannotspendhisdaysansweringrequeststofixleakingbathsorcarrycashtothebank.SamopenedthedooranditwasMervin.“There’sabirdonthesecondfloor,”hesaid.“It’sintrouble.”SamfollowedMervinupstairs.MervinpointedandturnedtoletSamlook.Itwasapigeon,themostcommonofallbirds,thebirdmostlikelytofoul(弄脏)yournewlywashedcar.Anditwasn’tflyingaway.Itwasstampingincircles.AsSambenttolook,Mervincoughed,“Numbertwo.”Samaskedhimtorepeatthat.“Numbertwo,”Mervinsaid."Thepigeonhasbeensittinginhisownnumbertwo,andnowit’sstucktohisfoot.”Ithadrainedforfivedays,andthebirdwasyoung.Itcouldhavebeenshelteringinawetnestofitsownwaste,whichhadthendriedonitsfoot,preventingitfromflyingaway.Thepigeonmovedinafewmorecircles.Sambenttotakeanotherlook.Mervinsaid,“Allright,then.”andwalkedaway.“Whydoeseveryonethinkyoumustsolvetheproblemsaroundhere?”IsaidtoSamwhenhereturnedwithhisstory.“It’sabird.Justleaveitonthestairs,andletnaturetakeitscourse.”Samdidn’tagree.Thenhewenttothegarageandemptiedthecardboardboxcontainingourimportedcampingmats.Hereturnedwiththegraypigeoninthebox.Heshowedthebirdtoourchildrenandtheydecidedtokeepit.Theyputitsfootinthewarmwaterbathandgotridofitswaste.Immediatelythepigeoneruptedinabomboffeathersandbeganflying.1、Howdidtheauthorfeelabouttheknocks?A．Shefeltbored. B．Shewasfrightened.C．Shegotexcited. D．Shewassurprised.2、Whywasthepigeonmovingincircles?A．Itwaslearningtofly.B．Itwasbadlyinjured.C．Itgotcaughtintherain.D．Itwastrappedbyitswaste.3、WhatdidSamusethecardboardboxtodo?A．Shelterfromrain.B．GiveittoMervin.C．Washcampingmats.D．Makeanestforthebird.4、WhatcanwelearnaboutSamfromthetext?A．Hewasbrave. B．Hewasclever.C．Hewaswarm-hearted. D．Hewaseasy-going.22．（8分）Foraslongastherehavebeengifts,wenaturallymakechoicesbasedontherecipient(接受者).Butwhatifwehavebeenwrongallalongandthatwecouldturnthingsaround,whichnotonlymadegiftbuyingeasier,buttherecipienthappier?In2015,psychologistsLaurenHumanandLaraAkninconductedanonlinesurvey,whichsuggestedthatwhenpeoplebuygifts,theyprefertochoosesomethingbasedontherecipient’spersonalityandtastes.Mostpeoplealsosaidthattheypreferredreceivinggiftsboughtwiththeminmind:giftsforthem.ButHumanandAkninwonderedifthisapproachtogivingfailedtotakeadvantageofthewayweconnectaspeople.Sotheysent78volunteersintoashoppingcentrebeforeMother’sDay.Halfweretoldtobuyacardthat“reveals(揭示)yourknowledgeoftherecipient”whiletheotherssetouttobuyacardthat“revealsyourtrueself”.Afterthepurchase,thegiverswhohadthoughtpartlyofthemselvesreportedfeelingemotionallyclosertotheirmothers.Tofindouthowthatapproachgoesdownwithrecipients,thepsychologistsdidanothertest,askingmorethan100studentstochooseasongoniTunestogivetoafriend,partnerorfamilymember.Eachhalfofthegroupreceivedthesameinstructionsasthecardbuyers.Resultsrevealedthatrecipientsofsongsthatrevealedsomethingofthegiversfeltclosertothemthanthosewhoreceivedgiftsboughtonlywiththeminmind.HumanandAkninsuggestitmightapplytoallgifts.“Ifbuildingstrongersocialconnectionsistheunderlying(潜在的)goal”ofagiftandsurelyitshouldbe—thenwe“maywellbeadvisedtooffermoreself-reflectivegifts”.Inshort,forapresenttobemeaningful,youneedtogiveawayabitofyourself,evenifthereisariskthatthegiftmightnotsocloselysuittherecipient’spracticalneedsortastesasoneacquiredpurelywiththatinmind.Moreover,givingsomethingofoneselfcanbeasaferact,thepsychologistsadded.Becauseitreducestheriskofrevealingpoorknowledgeofarecipientbyattemptingtobuysomethingthatfitstheircharacter—andfailing.Butanoteofcautionhere:whattheresearchdoesnotexamineisthepotentialriskinrepeated,unsympatheticgiver-centeredgiving,which,accordingtoHumanandAknin“couldsignalself-obsession”—andnobodywantstorevealthataboutthemselves.1、FromtheMother’sDaycardtest,wecanconcludethat________.A．giftschosenwiththegiverinmindworkwellonthegiverB．mostpeoplechoosegiftswiththerecipientinmindC．mostpeoplechoosegiftsbasedontheirpersonaltastesD．giftschosenwiththegiverinmindworkwellontherecipient2、Whatdotheunderlinedwords“them,them”refertoinorderofappearance?A．Therecipients;thegivers. B．Thegivers;therecipients.C．Thegivers;thegivers. D．Therecipients;therecipients.3、Whatdoestheauthorthinkisthesignificanceofgiftgiving?A．Makingthegiver’slifehappier.B．Showingone’sknowledgeoftherecipient.C．Establishingandstrengtheningsocialconnections.D．Meetingtherecipient’spracticalneeds.4、WhichofthefollowingisHumanandAknin’sadviceongiftgiving?A．Choosegiftsthatreflectmoreofyourself.B．Justfocusonyourowntasteswhenchoosinggifts.C．Buysomethingthatfitstherecipient’scharactermost.D．Becarefulnottosignalyourtruepersonality.5、Whichisthebesttitleofthispassage?A．Thetraditionofgiftgiving. B．Thepurposeofgiftgiving.C．Theeffectofgiftgiving. D．Thepsychologyofgiftgiving.23．（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．Howtotakeaplane24．（8分）Thetornadolast4minutes,tous,itfeltlikealifetime.NosoonerhadwefoundcoverageofthetornadofromtheTVthanitwasontopofus.ItwastheloudestthingIhaveeverheard.Thewindbegantoroarthroughthehouse.Wehadthreeflightsofstepstogettothefirstfloor.Theclosetdownthereisunderneathabrickstaircase,whichseemedlikethestrongestplaceinourhousetowaitthingsout.Itfeltasiftherewerenofloorunderneathmeasthewindliftedmeoffmyfeet.Aswefinallyreachedthelastflightofsteps,ourfrontdoorblewout.Glassfleweverywhere.Suddenly,athree-foot-longtreebranchwhippedthroughthedoorframe.Itflewoverourheads,missingusbyinches.Hadwebeenonestepup,itwouldhaveimpaledus.Wegotclosetothestaircaseonlytoheartheloudsoundofourgaragedoorcomingoff.Thebackwallofthehousefollowedandtoreoffintothedarknessoutside.BythetimeIreachedthecloset,thetornadohadbeenoverusforaboutaminute.Jimmypushedmedowntotheclosetfloor,buthecouldn’tgetinsidehimselfbecauseofthewind.IgrippedJimmy’sarmandtriedtobringJimmywithit.Mykneeswerefullofglass,butinthatmoment,Ifeltnopain.IfIhadletgo,Jimmywouldhaveflownrightoutthebackofthehouseandintothebay.Allofasudden,Jimmyliftedoffhisfeetlikepeopleintornadoesdointhemovies.Ithoughthewasgone.Andtheneverythingstopped.Helandedonhisfeet.Inthosefirstquietmoments,Icouldn’tbelieveitwasover.Thestormlastedfourminutes.Inthattime,fourofthetwelvetownhousesinourunitwerecompletelydestroyed.Ofthehousesleftstanding,ourssufferedthemostdamage.Amazingly,noneofuswereseverelyinjured.1、WhichofthefollowingstatementsisTrueaccordingtothepassage?A．Theydecidedtohideinthebrickstaircasebecauseitwasthestrongestplacetohide.B．Itwashardtomakeittothefirstfloorbecausetherewasnofloorunderneaththem.C．Theirhousewasoneofthehousesintheunitthatwerecompletelydestroyed.D．Ifthetornadohadn’tstoppedintime,Jimmywouldhavebeenblownawayintothedarkness.2、What’stherightorderoffollowingevents?a.Thebackwallofthehousetoreoffintothedarknessoutside.b.Jimmyliftedoffhisfeetandwasthoughttobegone.c.Theauthorfeltnopainalthoughherkneeswerefullofglass.d.Atreebranchwhippedthroughthedoorframeandflewovertheirheads.e.Thegaragedoorcameoff.f.TheauthorwaspusheddowntotheclosetbyJimmy.A．deafcbB．deafbcC．dfeabcD．daefcb3、Whichofthefollowingwordscanbestdescribetheirexperience?A．Thrillingandsmooth.B．Frighteningandlucky.C．Sufferingandmiserable.D．Painfulandunfortunate.4、Whichofthefollowingmightbethebesttitleforthetext?A．AnunforgettableexperienceB．TornadoonthewayC．LovedefeatseverythingD．Thelife-long4minutes25．（10分）OPENINGSANDPREVIEWSAntliaPneumaticaInanewplaybyAnneWashburn,directedbyKenRusSchmoll,agroupofestrangedfriendsgatherataTexasfarmhousetoburyoneoftheirpeers.(PeterJaySharp,416W.42ndSt.212-279-4200.Inpreviews.)BrightStarSteveMartinandEdieBrickellwrotethisbluegrass-and-Americanamusical,inwhichamagazineeditormeetsasoldierreturningfromtheSecondWorldWar.WalterBobbiedirects.(Cort,138W.48thSt.212-239-6200.Inpreviews.)TheCrucibleIvovanHovedirectsArthurMiller’sclassicdramaabouttheSalemwitchtrials,starringSaoirseRonan,BenWhishaw,CiaranHinds,andSophieOkonedo.(WalterKerr,219W.48thSt.212-239-6200.Inpreviews.)DryPowderJohnKrasinski,ClaireDanes,andHankAzariastarinSarahBurgess’splay,inwhichanexecutiveataprivate-equityfirm(私人股本公司)triestoreboundfromaP.R.disaster.ThomasKaildirects.(Public,425LafayetteSt.212-967-7555.Inpreviews.OpensOct.28,2017)TheFatherFrankLangellastarsinaplaybytheFrenchwriterFlorianZeller,translatedbyChristopherHamptonanddirectedbyDougHughesforManhattanTheatreClub,aboutaneighty-year-oldmanwhoislosinghisgriponhisownlifestory.(SamuelJ.Friedman,261W.47thSt.212-239-6200.PreviewsbeginOct.28,2017)1、Ifyou’reinterestedinAmericanmusic,wherecanyougetentertained?A．PeterJaySharp,416W.42ndSt.B．Cort,138W.48thSt.C．WalterKerr,219W.48thSt.D．Public,425LafayetteSt.2、Ifyouwanttopreviewaplaynow,whichofthefollowingisnotavailable?A．BrightStarB．TheCrucibleC．DryPowderD．TheFather3、Theauthor’spurposeofwritingthepassageisto________.A．informB．entertainC．persuadeD．describ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）Iusedtobelievepolitenesswasathingofthepast.VeryseldomhaveI1apolitehumanbeinginthismodernsociety.However,Ihadto2mythinking,whenI,withtwoofmygrown-updaughters,camefacetofacewithsuchagentlemaninacoffeeplace.Theplacewas3withcustomersandwehadtoclimbsteepstairstofindanemptytable.4enjoyingcoffeeandsnacks,wewentdownthe5stairs,wheretherewashardlyanyspaceforanotherpersontoeither6orcomedown.JustasIwasinthemiddleofmydescent(下降),agentlemanenteredthemainentrancewhichwas7infrontofthestaircase.IwassureIwouldbe8roughlybythismangoingup.IkeptcomingdownasfastasIcould.Mysmartdaughterswerealreadydown,lookingupatme9,hopingIwouldreachthembeforethestrangerstartedupthestairs,knowingIwasa10sort.11reachingmydaughters,Inoticedthemanstillstandingnearthedoor.Ireachedthemandpassedthe12attheentrancedoorwhichhe13holdingopen.Ilookedbackthinkinghewasstillatthedoor,decidingwhethertogoin14findanotherlesscrowdedplace.IsawhimgoingupthestairsandItoldmydaughtersaboutit.Wethreefelt15thatwedidnoteven16thepolitegentlemanwhowasactually17thedooropenforusladies.We18hiskindness,forsuchwell-manneredpeopleare19tofindthesedays.20Irememberthisgentlemanandpraythattherewillbemorehumanbeingslikehim.1、A．broughtupB．turneddownC．comeacrossD．appealedto2、A．changeB．shapeC．confirmD．identify3、A．providedB．equippedC．spottedD．crowded4、A．BeforeB．AfterC．WhenD．Upon5、A．wideB．highC．narrowD．low6、A．turnaroundB．setoffC．reachoutD．goup7、A．rightB．muchC．closelyD．directly8、A．pushedB．injuredC．arrestedD．denied9、A．worriedlyB．delightedlyC．heartilyD．sadly10、A．genuineB．pessimisticC．dynamicD．nervous11、A．HardlyB．NearlyC．SlightlyD．Previously12、A．daughtersB．waiterC．strangerD．manager13、A．avoidedB．keptC．enjoyedD．resisted14、A．andB．butC．orD．so15、A．innocentB．sensibleC．jealousD．ashamed16、A．awardB．remindC．thankD．consult17、A．holdingB．crashingC．seekingD．forcing18、A．distinguishedB．applaudedC．commentedD．witnessed19、A．easyB．rareC．unlikelyD．common20、A．IngeneralB．AtlengthC．TillnowD．Byaccident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）ManyEnglishlanguagelearnersbelievethatthe1．(great)difficultywithlisteningcomprehension(理解)isthatthelistenercannotcontrolhowquicklyaspeakerspeaks.Theyfeelthatwhatthespeakersaysdisappears2．theycanfollow.Thisfrequentlymeansthatstudents3．arelearningtolistencannotkeepup.Theyaresobusy4．(work)outthemeaningofonepartofwhattheyhearthattheymissthenextpart.Orthey5．(simple)ignoreawholesectionbecausetheyfailtocatchitquicklyenough.Anotherdifficultyisthatthelistenerisnotalwaysinapositiontogetthespeakertorepeatwhathasbeensaid.And,ofcourse,repeatscannot6．(ask)forwhenlisteningtotheradioorwatchingTV.Besides,7．(choose)ofvocabularyisinthehandsofthespeaker,notthelistener.Veryoften,forpeoplelisteningtoaforeignlanguage,anunknownwordcanbelikeasuddenly8．(drop)stonemakingthemstopandthinkaboutthemeaningoftheword,9．(cause)themtomissthenextpartofthespeech.Inlistening,itreallyisacaseof“Hewho10．(stop)toworkoutthemeaningislost”.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。Asteenagers,weshouldattachgreatimportanttoreading、Readingcanbenefitfromusteenagersagreatdeal、Firstly,readingimprovesourschoolgrades、Secondly,readinghelpsusexpandingourhorizons、Thirdly,readingmaycontributetofindingsolutionstotheirownproblems、Finally,readingisaenjoyableexperience、Itisstronglysuggestedthatoursparetimeismadefulluseofreadasmuchaspossible、Weteenagersshouldstaydevotedtoreadwhatweareinterestedin、Besides,weshouldactiveparticipateinsomeactivitiesthatarerelatedtoreading,whatwecannotonlygetourknowledgeenrichedbutalsogainalotofpleasure、第二节书面表达（满分25分）29．（25分）假设你是某中学高二学生李华，你发现学校图书馆的书籍数量少，并且大都非常陈旧，由此导致图书借阅率不高。请你就此事给外籍校长汤姆（Tom）写一封劝告信，希望学校能购置一些新书。注意：1.词数：100左右；2.可以适当增加细节，以使行文连贯。DearTom,IamLiHuainSenior2___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yourssincerely,LiHua

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、B2、D3、D4、A5、A6、B7、B8、C9、A10、A11、B12、B13、A14、B15、B16、D17、D18、A19、C20、D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、D4、C22、1、A2、B3、C4、A5、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（抛弃）thingsthatnolongerservedanyusefulpurposeinspace.Itisestimated（估计）thattherearenowover500,000piecesofman-madetrashorbitingtheEarthatspeedsofupto17,500milesperhour.Thejunkvariesfromtinypiecesofpaintchippedoffrocketstocameras,hugefueltanks,andevenodditemslikethemillion-dollartoolkitthatastronautHeidemarieStefanyshynPiperlostduringaspacewalk.Themajorproblemwiththespacetrashisthatitmayhitworkingsatellitesanddamagetravelingspacecraft(飞船).Moreover,piecesofjunkmaycollide（碰撞）witheachotherandbreakintopieceswhichfallbacktotheEarth.Toavoidthis,scientistshaveinventedseveralwaysforclearingthesky.Groundst