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江西省新余市两重点校高三第三次测评新高考英语试卷注意事项1.考生要认真填写考场号和座位序号。2.试题所有答案必须填涂或书写在答题卡上,在试卷上作答无效。第一部分必须用2B铅笔作答;第二部分必须用黑色字迹的签字笔作答。3.考试结束后,考生须将试卷和答题卡放在桌面上,待监考员收回。第一部分(共20小题,每小题1.5分,满分30分)1.ThankstoMr.Smith,thefatherandthesoneventually________aftertenyears'coldrelationshipbetweenthem.A.tookup B.madeupC.lookedup D.turnedup2.—Jenny,howwasyourtriptoBeijing?—Oh,Imissedit.IwishI________myvacationthere.A.amspendingB.willspendC.havespentD.hadspent3.Tomisproudand________,neveradmittingheiswrongandalwayslookingforsomeoneelsetoblame.A.strict B.stubbornC.sympathetic D.sensitive4.Thenationalparkhasalargecollectionofwildlife,________frombutterfliestoelephants.A.torange B.rangeC.ranging D.ranged5.Onthesurfaceofthewater________,whichspoiledthebeautifulsceneryofthepark.A.somedeadleavesdidfloat B.somedeadleavesfloatedC.floatedsomedeadleaves D.didsomedeadleavesfloat6.Whatactually______theaccidenthasnotyetbeendetermined.A.broughtout B.broughton C.broughtabout D.broughtup7.Rightnow,lotsofpeoplesearchforproductsontheInternetbutstillbuythematstores.Internetshoppingwillreally____whenpeoplearesurethatitissafe.A.setup B.setoff C.takeoff D.takeup8.I______tellyouwithcertaintythathewon’tbeabletofinishitbeforethedeadline.A.willB.mustC.canD.may9..Sheisfedupwithsharingahousewithothers;,sheislookingforherownflat.A.moreover B.otherwise C.however D.therefore10.Althoughtheusedcarseemsingood______,itcannotrunfast.A.state B.situationC.condition D.occasion11.Whenshewasintrouble,IdidwhatIcouldtohelpher.__________myhelp,shewrotemealetterofthanks.A.Inhonorof B.Incaseof C.Intermsof D.Inreturnfor12.AmericansingerTaylorSwift,21,________bigatthe2011AcademyofCountryMusicAwardsintheUSonApril3rd.A.stood B.gave C.scored D.made13.WhentheadmissionletterfromHarvardUniversityarrived,Ben'sparentswereandthrewabigparty.A.intheredB.tickledpinkC.aswhiteasasheetD.inabluemood14.Newly________chairmanoftheChineseBasketballAssociation,YaoMinghasputreformingthedomesticgame’smanagementatthetopofhisagenda.A.appointing B.appointedC.beingappointed D.havingappointed15.The90’speopleseemtohaveenjoyedthegreatbenefits________aboutbythegreatlevelofculturalandeconomicdevelopment.A.broughtB.bringingC.tobebroughtD.havingbrought16.Yourletterwillgetattention!Theyknowyou’reexpectingtheanswer.A.careful B.common C.instant D.general17.Thesuccessof“onecountry,twosystems”inpracticehasbeenuniversally________,andthispolicycontinuestogostrong.A.acknowledgedB.appreciatedC.accomplishedD.accompanied18.Theboyishavingafever.You’dbetterdampatowelandlayit______hisforehead.A.acrossB.withinC.throughD.beyond19.Hissisterlefthomein1998,and_________________since.A.hadnotbeenheardof B.hasnotbeenheardofC.hadnotheardof D.hasnotheardof20.--Sorryforhavingkeptyouwaiting.Butforthetrafficjam,I________________20minutesearlier—Nevermind,Ihaven'tbeenwaitingthatlong.A.arrived B.wouldhavearrivedC.wouldarrive D.hadarrived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)"Joe?Isthatyou?"Thewomanspeakingtomeatthebaseballgamelookedalittlefamiliar."Marci?"Iasked."ItISyou!"shecriedout,smilingbroadly."Gosh,it'sgoodtoseeyouagain!"ItwasgoodtoseeMarci,too.Offandonduringthepastfewdecades,I'vewonderedabouther.Ialmosttriedtosearchforherafewyearsagoaftertalkingtoafriendwhohadindicatedthatthe1990shadbeenprettyroughforMarci.Someetingheratthebaseballgamewasreallyoutofexpectation.Wespentafewminutestalkingaboutourlives—thegoodold,badolddays.ThenMarcigrewquietforamoment.“Youknow,Joe,”shesaid,“I’vealwayswantedtotellyou…how…howsorryIamforthewayItreatedyou.Youmusthavebeenhurtbothphysicallyandmentally.”Iwasalittleembarrassed.Iturnedandlookedather.“It’sOK,”Isaid,“Nobigdeal!”“ButIwassuchajerk.”shecontinued.Yesyouwere,Ithought.“Wewerebothprettyyoung,”Ismiled.“Iknow.”shesaid,“It’sjustalwaysbotheredme,rememberinghowmeanIwastoyou.AndI’vewantedtotellyouthatI’msorry.”Theexpressiononherfacewaswarmandsincere.Andtherewassomethinginhereyes—itlookedalotlikerelief.“OK,”Isaid."Apologyaccepted!”Overcomebythesweetnessofthemoment,Ireachedanarmaroundherandgaveheraquickhug.Justthen,thecrowderuptedwithahugecheer,andMarciandIbothreturnedourattentiontothegame.BythetimeIlookedovertowhereshehadbeen,shewasgone.Butthewarm,wonderfulfeelingofourbriefexchangewasstillthere,andcontinuestothisdaywheneverIthinkaboutit.Itisn'tenoughtojustsay“I’msorry”and"You'reforgiven."Butwhenthosewordsaretrulyfeltandsincerelyexpressed,theycanopenthedoortomiraclesoftheheart.Forgivenesscanbringpeacetoaninjuredsoul—evenyearsafterthefact.Evenatabaseballgame.1、WhatkindoflifedidMarciliveduringthelate20thcenturyaccordingtothepassage?A.Happy.B.Busy.C.Hard.D.Simple.2、Whatdoestheunderlinedword“jerk”inthethirdparagraphmean?A.Ahumorousperson.B.Acruelperson.C.Acarelessperson.D.Anhonestperson.3、WhydidMarcilookinreliefaftertalkingwiththeauthor?A.Becauseherfavoriteteamwonthegame.B.BecauseshelearnedJoewaslivingagoodlife.C.Becauseshemadeanapologytotheauthor.D.Becauseshefoundshewasnotmeananylonger.4、Whatmightbethebesttitleforthepassage?A.ExcitementofABaseballGameB.MentalBurdenofAWomanC.MiraclesofForgivenessD.ReliefofFindingAfriend22.(8分)EssentialsofNutrition---GoodnutritionVSmalnutrition(营养不良)Author:JoelBresslerPrice:$29.99EssentialsofNutritiontouchesimportanthealthtopicssuchas:thepositiveandnegativeaspectsofnutrition;theimportanceofexercise;thenecessityofvitamins,minerals,andwater.Italsoadviseshowdoctorsandeducatorswillimproveourhealthinthefuture.PreservetheBestandConservetheRest---Memoirs(回忆录)ofaUSForestServiceWildlifeBiologistAuthor:HadleyB.RobertsPrice:$19.99PreservetheBestandConservetheRestcoversUSForestServicewildlifebiologistHadleyB.Roberts’half-centurycareerinwildlifeandfishhabitatconservationandpreservation.Itincludeshisaccomplishment,motivesandinfluencesbehindhisactions.Poodle(贵宾犬)Mistress---TheAutobiographicalStoryofLifewithNineToyPoodleAuthor:SandiLatimerPrice:$22.99PoodleMistressisastoryofunconditionalloveanddevotionaboutninedogsthatchangedauthorSandiLatimer’slife.Hermemoir(回忆录)detailsatwenty-seven-yearjourneyassheandherhusbandcaredforandenjoyedthefunnybehaviorsoftheirtoypoodles.AProfessorandCEOTrueStory---AFascinatingJourneytoSuccessAuthor:RichardT.ChengPrice:$13.95InAProfessorandCEOTrueStory,RichardTChengshareshowheovercamegreatoddsandtransformedfromastrugglingimmigranttomillion-dollarCEOandesteemedprofessor.Thisisapowerfulandinspiringstoryofsuccessandsurvival.1、Whichbookisaboutwildlifeprotection?A.PreservetheBestandConservetheRest.B.EssentialsofNutrition.C.PoodleMistress.D.AProfessorandCEOTrueStory.2、WhoprobablyenjoysreadingPoodleMistress?A.Thosewhoarelookingforsuccess.B.Thosewhofightforanimalrights.C.Thosewhoareinterestedinnaturalworld.D.Thosewhoarepetlovers.3、Whatisthecheapestbookmainlyabout?A.Astoryoflifewithpoodles.B.Importanthealthtopics.C.Aninspiringjourneytosuccess.D.Memoirsofawildlifebiologist.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)Littleblacktaxis,oftenrun-downandfallingapartfromdecadesofuse,haveforalongtimebeenamainfeatureofCairo’schaoticurbanlandscape.Buttheirdaysmaybenumbered,thankstoanewtaxireplacementprogrammeaimedatknockingoutolder,potentiallyunsafevehicles.Thegovernment-sponsoredaction,launchedearlierthisyear,allowsdriversoftaxis20yearsorolder,mostlyFiatsandPeugeots,totradetheircarsforshinynewall-whiteonesatgenerousratesoffinancing.Driverscanchoosebetweenfivedifferentlocallymanufacturedcarmodels.Accordingtoofficials,morethan11,000brandnewtaxis,sportingtrademarkcheckedstripesonthesides,havealreadyhitthestreetsofthecapital,andthey’vebeenwelcomedenthusiasticallybypassengers.Manypeoplesaythatnotonlyarethenewtaxismorecomfortable,buttheyalsomakethestreetsofCairofarmorepresentable.Furthermore,taxifareshaveonlyincreasedbyasmallamount.Thepoorconditionofmostblackandwhitetaxisisalmostlegendary.Passengersoftenhavetodealwithwindowsanddoorsthatdonotopenandclose,andheavy,thickpetrolgases.Airconditioningisunheardof.Thenewall-whitetaxis,meanwhile,arecleaner,morefuel-efficientandprovideairconditioningonrequest.Furthermore,allthenewtaxiscomeequippedwithfunctioningfaremeters,whichavoidsargumentsandsometimesfightswithpassengers!Thegovernmenthopestoreplaceallofthecapital’s40,000elderlyblackcabssoon,butnoteveryoneinCairowillbehappytoseethemgo.HotelmanagerIbrahimAl-Toukhysaysthattheoldblackcabswereweakandrun-down,andmaybeevenalittledangerous,buttheywerepartofthecity,andpartofCairo’scharacter.1、Whichofthefollowingscanreplacetheunderlinedword“chaotic”inparagraph1?A.disorderly B.fantastic C.busy D.silent2、WhichofthefollowingstatementsisTRUEaboutthenewtaxis?A.Theyaremuchmorepresentable.B.Theirpassengershavetopaydramaticallymore.C.Theyaremuchmoreenergy-saving.D.Onlyfewofthemprovideairconditioning.3、Whatdoesthepassagemainlytalkabout?A.TheroadtrafficconditionofCairo.B.AtaxirenewalprogrammelaunchedinCairo.C.TheproblemswitholdblackCairotaxis.D.VariousviewsonthenewtaxireplacementinCairo.25.(10分)Englandcontinuestobeoneofthemostpopulartouristdestinationsintheworld.Londoninparticularisoneofthemostvisitedcitiesanddrawspeopleinwithitsappeal,history,andpubs.England’ssmallercities,likeBathandOxford,areequallyasattractivewithalotofcultureandfewercrowds.Liverpool,birthplaceofTheBeatles,hasarichmusicalhistory.Thecountrysidehaswonderfulnaturalbeauty.HerearesometipsontravelinginEngland.Freemuseums—PublicmuseumsofferfreeadmissionineverycitythroughoutEnglandandtheUK.It’sagreatwaytolearnaboutthecountry’smostinfluentialartistsandhistory,andspendarainydaywithoutpayingacent.Bookearly—Bookalltransportationwellinadvance,evenifyoudon’tplantouseit.Farescanbearound£2withalittleplanning.TheMegabusnotonlyrunsbusesbutalsoprovidestrainsthroughoutEnglandandisthebestchoiceforcheaptravelthroughoutthecountry.Pubfood—EatinginEnglandcanbequiteexpensive,butforgoodcheapandfillingmeals,visitthelocalpubs,whereyoucangetagoodmealforlessthan£10.Besides,thepubsareagreatwaytomeetpeople!GetaTasteofUKcard—TheTasteoftheUKcardoffersupto50%offatselectedrestaurants.Youdon’tneedtobeanEnglishtogetthecard,andyouneedn’tpaythefirstmonth’smembershipfee,whichisperfectformosttravelers.Takeafreewalkingtour—ManymajorcitiesinEnglandofferfreewalkingtours.Theyusuallylastafewhoursandareagreatwaytoseethecity.1、ComparedwithLondon,Oxfordis.A.moreappealingB.lesscrowdedC.largerinsizeD.richerinhistory2、Whyiseatinginlocalpubssuggested?A.Thepriceoffoodislowthere.B.Thechanceofmeetingstarsishighthere.C.Theserviceisexcellentthere.D.Thediningatmosphereisperfectthere.3、Whatcanbeknownfromthetext?A.AllmuseumsintheUKarefreeofcharge.B.ThebestwaytotravelaroundEnglandisbybus.C.FreewalkingtoursareavailableinonlysomecitiesinEngland.D.HoldersoftheTasteofUKcardcanenjoydiscountsatallrestaurants.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)About30yearsago,IleftCubafortheUnitedStateswithmy4-year-oldson.Aftergetting1finallyinBrunswick,NewJersey,Ienrolled(注册)mysonin2Severalweekslater,myson’steacheraskedmetomeethimathis3.Intheteacher’soffice,anexchangeof4wasfollowedbyhisquestions:“Isyoursonmentallyretarded(弱智的),Doeshesufferfromanykindof5disability?”WashetalkingaboutmywonderfulScola?No,noitcan’tbe.Whata6.lonelymoment!ItoldhimthatScolawasaquiet,sweetlittleboy,instead.Iaskedhimwhyhewasaskingmeallthesequestions.Mysoncouldnot7theteacher’sdirections,hetoldme,and8.Scolawasdisruptingtheclass.Didn’theknowmysondidnotspeakEnglishyet?Hewas9;“Whyhasn’tyoursonbeentaughttospeakEnglish?Don’tyouspeakEnglishathome?”No,Ididn’tspeakEnglishathome,I10,IwassuremysonwouldlearnEnglishinacoupleofmonths,andIdidn’twanthimtoforgethis11language.Well,wronganswer!WhatkindofpersonwouldnotspeakinEnglishtohersonathomeandatalltime?“Areyouoneofthosepeoplewhocometothiscountrytosavedollarsandsendthembacktotheircountry,12wantingtobeapartofthissociety?”13,ItriedtotellhimIwasnotoneof“thosepeople”.Thenhetoldmethe14wasover,andIleft.AsIhad15,mysonlearnedtospeakEnglish16beforetheschoolyearwasover.Hewentontograduatefromcollegeandgota17,earningclosetosixfigures.Hetravelswidelyandleadsawell-adjusted,contentedlife.Andhehas18frombeingbilingual(双语的).Speakingmorethanonelanguageallowspeopleto19withothers;itteachespeopleaboutother20andotherplacessomethingverybasicandobviouslylackinginthe“educator”ImetinNewJersey.1、A.solvedB.settledC.situatedD.involved2、A.schoolB.companyC.communityD.kindergarten3、A.officeB.homeC.houseD.workshop4、A.questionsB.greetingsC.informationD.requests5、A.physicalB.emotionalC.educationalD.mental6、A.carelessB.helplessC.uselessD.worthless7、A.hearB.repeatC.followD.explain8、A.thusB.howeverC.otherwiseD.though9、A.angryB.calmC.surprisedD.sad10、A.refusedB.repliedC.remindedD.rewarded11、A.spokenB.writtenC.secondD.native12、A.oftenB.neverC.seldomD.once13、A.NeedlesstosayB.BeyondwordsC.FornoreasonD.Tomakemattersworse14、A.instructionB.blameC.meetingD.discussion15、A.plannedB.notedC.suggestedD.expected16、A.easilyB.fluentlyC.hardlyD.exactly17、A.jobB.degreeC.chanceD.scholarship18、A.sufferedB.benefitedC.learnedD.grown19、A.dealB.stayC.communicateD.match20、A.languagesB.customsC.traditionsD.cultures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)Astudyshowsthatnewtechnologyisreducingchildren’sability(小题1)(use)apencilorpen.ThestudyisfromtheNationalHealthServiceintheUK.Researcherssaidthatnowadays,childrenspendsomuchtimeswipingiPadsormobilephonescreens(小题2)theycannotholdapencilproperly.Childrenarenotusing(小题3)(pencil),sotheynowlackthemuscle(小题4)(strong)intheirhandstobeabletowrite(小题5)(proper).ResearcherDrSallyPaynesaid:“Childrenarenotcomingintoschoolwiththestronghandandtheabilitythey(小题6)(have)10yearsago.Children(小题7)(come)intoschoolarebeinggivenapencilbutareincreasinglynotabletoholditbecausetheydon’thavethefundamental(基本的)movementskills.”Theresearcherssaidtechnologyischangingthephysicalwaythatchildrenwrite,drawormakethings.DrPayneexplainedwhy.Shesaid:“It’s(小题8)(easy)togiveachildaniPadthanencouragethemtodomuscle-buildingplaysuchasbuildingblocks,cuttingandsticking,orpullingtoysandropes.Oneexpertsaid(小题9)achildisn’tstrongenoughtoholdapencil,perhapstheirwholebodyisweak.Shesaiditwasbetterforchildren’sphysicaldevelopmenttoclimbtrees(小题10)towatchYouTubevideos.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。JohnSnow—adoctor,whoattendedQueenVictoriaasherpersonalphysician、Buthewaswillingtohelpordinarypeopleexposedincholera、Manypeoplediedeverytimetherewasaoutbreak、Hewantedtofacethechallengeandsolvetheproblem、Notheoriescaughtherattention、Thefirstsuggestedthatcholeramultipliedintheair、Thesecondsuggestedthatpeopleabsorbedthisdiseaseintotheirbodiesandthediseaseattackedthebody、JohnSnowbelievedthesecondwasrightbutheneededevidences、WhenanotheroutbreakhitLondonin1854,hewasreadytobeginhisenquiryandtriedtogetmoreinformation、Hefoundthatmostofthedeathswasnearawaterpumpandthespreadofthediseasewaswithwater、Withtheinformation,hewasabletoconcludethatpollutingwatercarriedthevirus、Afterthat,hesuggestedthesourceofallthewatersupplieswasexamined、Finally"KingCholera"defeated、第二节书面表达(满分25分)29.(25分)假如你叫李华,你所生活的城市周围有很多动植物正逐渐减少,对此你向有关部门写一封信,分析造成这种现象的原因,并根据实际情况提出切实可行的几条建议。但以下几条要点要包括在内:1.野生动植物的现状;2.分析造成许多野生动植物濒临灭绝的原因;3.提出几条保护野生动植物的具体措施。注意:1.词数100左右;2.不可遗漏要点,可适当增加细节;3.书写要干净、工整;4.开头和结尾已给出,不计入总词数。DearSirorMadam,I’mwritingtogivesomesuggestionstoprotectthewildlifelivinginandaroundourcity.______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________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、B4、C5、C6、C7、C8、C9、D10、C11、D12、C13、B14、B15、A16、C17、A18、A19、B20、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、B3、C4、C22、1、A2、D3、C23、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.Groundstationshavebeenbuilttomonitorlargerpiecesofspacetrashtopreventthemfromcrash
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