福建华安县第一中学2025届高考全国统考预测密卷英语试卷含解析

福建华安县第一中学2025届高考全国统考预测密卷英语试卷考生请注意：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．Amythisanaccountofthedeedsofagodorsupernaturalbeings,usuallyexpressedintermsof______thought.A．primary B．capital C．initial D．primitive2．--Hello,Kate.Howisyourweekendathome?--Awful!YouknowitisthefirsttimeI____aloneathome,boredtodeath.A．hasleft B．hadleft C．hadbeenleft D．havebeenleft3．Youcangetoffthebusoneortwostops________andwalktherestofthewaytoworkeverydaysoastotakesomeexercise.A．moreearly B．earliest C．early D．earlier4．—Simonwilllistentomusiceverytimehecomesacrossamathsproblem.—Youknow,musicisthesourceof______inlife.A．inspirationB．identificationC．reactionD．recreation5．Thedoctorhadalmostlosthopeatonepoint,butthepatientfinally.A．pulledout B．pulledthrough C．pulledup D．pulledover6．—Nancy,whatclassesareyoutakingthisterm?—_____IwanttotaketwoEnglishcourses,ormaybeSpanish.A．What’sup?B．It’snoneofyourbusiness.C．I’venoidea. D．I’mnotsureyet.7．We___havehurriedallthewaytotheairport—theflightwascalledoffbecauseofthefoggyweather.A．mustn’t B．couldn’t C．needn’t D．wouldn’t8．Janerealizedher____tobecomethefirstwomantorunthe10,000metreswithin30minutes.A．achievementB．commitmentC．competitionD．ambition9．LastyearIappliedtoPrincetonUniversity．I____theywouldsayyes—buttheydid,andnowhereIam．A．neverthink B．amneverthinkingC．haveneverthought D．neverthought10．Theaccidentwhichleft15peopleonboarddead________ifboththeangryfemalepassengerandthebusdriverhadkeptcalm.A．shouldhaveavoided B．shouldbeavoidedC．couldhaveavoided D．couldhavebeenavoided11．—Mummy,lookatmygloves.Ineedanewpair.—________.Iboughtthemforyouonlyaweekago!A．YoubetB．YousaiditC．Youdon’tsayD．Younameit12．Therearemanyfamousculturalrelicsinourcountry,many_______thousandsofyearsago.A．datingbackto B．datebacktoC．datedbackto D．weredatedbackto13．Bythetimewe________fromourschool,wehavebeenclosefriendsformorethantenyears.A．graduated B．willgraduateC．aregraduating D．graduate14．Ifhe____hard,hewouldhavepassedtheexam.A．weretoworkB．hadworkedC．shouldworkD．wastowork15．Lilyisagoodsinger.HowIwishI________aswellasher.A．sing B．willsingC．hadsung D．sang16．_________therequirementissethigh,itisablessingforChinesestudentsthatCambridgeUniversityusesscoresonGaokaoaspartofitsadmissioncriteria.A．As B．While C．Once D．Where17．Don’tworry.Anumberofeffortsarebeingmade______thewholesystemoperatingnormally.A．beingkept B．keptC．keeping D．tokeep18．TheSmallGoosePagodainXi’an,oneofthe22SilkRoadrelicslocatedinChina,_______backin707duringtheTangDynasty.A．dated B．wasdatedC．dates D．isdating19．---Howabout______plantoopenabranch?---Ishouldsayitwas______failure.A．a;a B．a;/ C．the;/ D．the;a20．_______naturallybytheskinwhenexposedtosunlight,VitaminDisneededforhealthybones,teethandmuscles.A．Making B．TomakeC．Made D．Make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）Shortlyafterthewar，mybrotherandIwereinvitedtospendafewdayswithanunclewhohadjustreturnedfromabroad.Hehadrentedacottageinthecountry，althoughherarelyspentmuchtimethere.Weunderstoodthereasonforthisafterourarrival:thecottagehadnocomfortablefurniture（家具）init；manyofthewindowswerebrokenandtheroofleaked（渗漏），makingthewholehouseterrible.Onourfirstevening，wesataroundthefireaftersupperlisteningtothestorieswhichourunclehadtotellofhismanyadventuresindistantcountries.IwassotiredafterthelongtrainjourneythatIwouldhavepreferredtogotobed；butIcouldnotstandmissinganyofmyuncle'sexcitingstories.Hewasjustinthemiddleofdescribingaratherterrifyingexperiencehehadoncehadwhentherewasaloudcrashfromthebedroomabove，theonewheremybrotherandIweregoingtosleep."Itsoundsasiftheroofhasfallenin！"criedoutmyuncle，withaloudlaugh.Whenwegottothetopofthestairsandopenedthebedroomdoor，wecouldseenothingatfirstbecauseofthethickcloudsofdustwhichfilledtheroom.Whenthedustbegantoclear，astrangesightmetoureyes.Alargepartoftheceilinghadfallendown，fallingrightontothepillow（枕头）onmybed.IwasgladthatIhadstayeduplatetolistentomyuncle'sstories，otherwiseIshouldcertainlyhavebeenseriouslyinjured，perhapskilled.Thatnightweallsleptonthefloorinthesittingroomdownstairs，notwishingtoriskourlivesbysleepingunderaroofwhichmightatanymomentfalldownonourheads.WeleftforLondontheverynextmorningandmyunclegaveuphiscottageinthecountry.Thiswasnotthekindofadventurehecaredforeither！1、Whydidtheuncleseldomspendmuchtimeinthecountrycottage？A．Becausetheroofofthecottagehadfallen.B．Becausethecottagewasinbadcondition.C．Becausehewasusedtolivingabroad.D．Becausetheroomsweretoosmalltolivein.2、Whentheauthorandhisbrotheropenedthebedroomdoor，theycouldseenothingatfirstbecause.A．itwascompletelydarkinsideB．therewastoomuchdustintheairC．somethingstrangestoppedthemD．itwasamessinside3、Theauthorfeltgladthathehadstayeduplatebecause.A．hedidnotmisstheexcitingstoriesB．hespentmoretimewithhisuncleC．hehadaluckyescapeD．hesawastrangesight4、Whichofthefollowingcanbestdescribethewriter'suncle？A．Adventurousandgoodatstorytelling.B．Humorousandgoodatmakingjokes.C．Dependableandgenerouswithmoney.D．Thoughtfulandsensitivetodanger.22．（8分）HEARSTCASTL,CAHearstCastleisopenfortoursdaily,exceptThanksgiving,ChristmasandNewYear’sDay.TourA--TheGrandRoomsViewthegroundfloorroomsofLaCasaGrandewhereMr.Hearst’sguestsmettheirhostandwereentertainedduringtheirstay.SeetheAssemblyRoom,whereguestsmetforcocktails,theRefectory,wheremealswereserved,theMorningRoom,BilliardTheater.YourknowledgeableguidewillbringthisbighousetolifesharingstoriesaboutMr.Hearst,hismanyguests,andtheartcollectionitcontains.Prices:Adults:$25.00;Children:$12.00.TourB–TheUpstairsSuites(套房)ThistourfeaturesroomsontheupperfloorsofCasaGrande.TravelthroughguestsuitesonyourwaytotheLibrarywhereMr.Hearsthousedacollectionof2,000-year-oldGreekpots.VisitMr.Hearst’sprivatethirdfloorsuiteincludinghisbedroomandprivatestudywhereheheldbusinessmeetings.LearnaboutthegeniusofarchitectJuliaMorganandthewaysheputMr.Hearst’sartcollectionintothedesign.Prices:Adults:$20.00;Children:$10.00.TourC–EveningTourThistourallowsvisitorstoexperiencetheCastleatnightasavisitortotheCastleinthe1930smighthave.Itfeatureshighlightsfromtheexperience,UpperFloorsofCasaGrande,andGardentours.EveningtoursareofferedonmostFridaysandSaturdaysduringMarch–May&October–December.Prices:Adults:$36.00;Children:$18.00.TourD–AccessibleHolidayTwilightThistouriswheelchairaccessible.Visitorswhohavedifficultyclimbingstairs,orwhocannotstandorwalkforextendedperiod,mayalsobenefitfromthistour.AccessibletransportationisprovidedfromtheVisitorCentertoallareasoftheHolidayatHearstCastletour.Call866-712-2286foradditionalinformation.Prices:Adults:$30.00;Children:$18.00.1、Whichplacecanyoutakeyourchildtovisitifyouhavenotmuchavailablemoney?A．TheMorningRoom.B．TheUpstairsSuites.C．TheGrandRooms.D．TheBilliardRoom.2、WhichofthefollowingisproperforyoutotakepartinTourC?A．ASaturdayinJuly.B．ASaturdayinApril.C．AFridayinJanuary.D．AFridayinSeptember.3、Whichisthebestchoicefordisabledpeople?A．TourA．B．TourB．C．TourC．D．TourD．23．（8分）Oilisessentialformodernlife.About64percentoftheworld’soilislocatedintheMiddleEast,buttheheaviestconsumersofoilareEurope,America,andJapan.Theproblemliesingettingtheoilfromthecountriesthatproduceittothecountriesthatconsumeit.Thisismainlydoneusingoiltankers.Usuallytheoilisshippedsafelyandwithnoproblems,butoccasionallythereisadisaster.Everyyearmillionsoftonsofoilarespilledintotheocean.Althoughthisisonlyasmallpercentageofthetotalamountshippedaroundtheworldeachyear,thisspilledoilcanhaveterribleeffectsonoceanlife,includingthecoastlineswheretheoilwashesupontoshore.OneoftheworstoilspillsinhistoryoccurredalongtheAlaskancoastlinein1989,whentheExxonValdeztankergotstuckoffthecoastofAlaska,spilling42millionlitersofoil.Althoughitwasn’tthelargestoilspill,thedisasterwasterriblebecauseitoccurredinsuchasensitivenaturalarea.Inthisspill,thetanker’scaptain,whowastiredfromoverworkanddrinkingalcohol,hadgonetotakearest.Hegavecontroloftheshiptoanothersailor,whowasunfamiliarwiththeroute.TheshipranontoBlighReef.Damagedbythereef,theshipleakedoiloutintotheocean.Morethan1,600kilometersofcoastlinewereaffectedbytheoilspill.Manybirdsandottersdiedasaresultoftheoilcoveringtheirskin,andmanyotherseacreaturesandtheanimalsthatfedonthemwerealsoseverelyaffected.1、WhichcountryisNOTamongthelargestconsumersofoil?A．JapanB．IraqC．AmericaD．Germany2、Whatdoestheunderlined“them”referto?A．Thebirds.B．Theotters.C．Theseacreatures.D．Thebirdsandtheotters.3、Whichofthefollowingstatementistrue?A．TheoilleakofAlaskaisbecausethecaptainwasunfamiliarwiththeroute.B．Manybirdsandottersdiedfromeatingthespilledoil.C．Alaskaspillwasthemostseriousspillofalltime.D．Althoughsomeoilleakisnotserious,itwillaffectoceanlife.24．（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．Howtotakeaplane25．（10分）Duetolightpollutionpresenteverywhere—glarefromtoomuchmisaimednightlighting—80%ofEuropeandNorthAmericanolongerexperiencesrealdarkness.Foranyonelivingnearamajormetropolis,asatelliteimageoftheMilkyWay(银河)seemsabstract；Weunderstandittobeadocumentofsomethingtrue,butourunderstandingispurelytheoretical.In1994,afterapre-dawnearthquakecutpowertomostofLosAngeles,theGriffithObservatoryreceivedphonecallsfromfrightenedlocalpeopleaskingabout“thestrangesky”.Whatthosecallerswereseeingwerestars.Darknessisacomplicatedthingtomeasure.In2001,theamateurastronomerJohnBortledesignedascaletohelp.Hisclassificationrangefrom“inner-citysky”(class9),inwhichtheonly“pleasingviewsseenthroughatelescopearethemoon,theplanets,andafewofthebrighteststarclusters(团)”,toaskysodark“theMilkyWaycastsobviousshadowsontheground”(class1).MostNorthAmericansandEuropeansliveunderclass6or7skies,inwhichtheMilkyWayisundetectable.Inthatkindofnight,apersoncanwanderoutside,unfoldagardenchair,openanewspaper,andreadtheheadlines,ifnotthestories.InadditiontotheBortlescale,scientistsoftenusephotodiodelightsensors(传感器）tomeasureandcomparebaselevelsofdarkness.Unihedron’sSkyQua1ityMeteristhemostpopularinstrumentforthiskindofwork,partlybecauseitissmallenoughtofitintoyourpocketandalsobecauseitconnectstoanonlineglobaldatabase.Accordingtothatdatabase,CherrySpringsStatePark—an82-acreparkinremoteruralPennsylvania—presentlyhastheseconddarkestscorelisted.CherrySpringsislocatedlessthan300milesinlandfromtheUSeasternseaboard,inaregion—theEastCoast—thatcontains36%ofthetotalUSpopulationandislitupeverynightlikeabackstagemakeupmirror.Whenpinpointedonasatelliteimage,CherrySpringsisinthemiddleofanuncharacteristicallydarkarea—insulated(隔离),onallsides,byhundredsofthousandsofacresofprotectedforestandsittingontopoftheAlleghenyPlateau,700metresabovesealevel.Mostofthesmalltownssurroundingtheparkaresituatedinvalleyswhereoutdoorlightisalreadyfailing.Thisunusualcombinationoffactorsexplains,toacertaindegree,howCherrySpringsbecameoneofthedarkestplacesinAmerica.1、WhatdidthephonecallstheGriffithObservatoryreceivedreveal?A．Thecallerswereingreatfearofthesevereearthquake.B．Peoplebelievedthatstarswouldbringthemmisfortune.C．Peopleneededhelpandcomfortinfaceofabigdisaster.D．Darknesshadbeenawayfromthelocalpeopleforages.2、Whichclassificationofdarknessdoesthewriterseemtolikebest?A．Class1.B．Class3.C．Class7.D．Class9.3、Itcanbeconcludedfromthepassagethat________.A．lightfromheavenlybodiesismuchweakerB．lightpollutionexistsmainlyinurbanareasC．humaneyesightisgettingfrombadtoworseD．lightpollutionhasbudinfluenceonusanytime4、CherrySpringsisoneofthedarkestplacesinAmericapartlybecauseof________.A．itsspecificlocationB．itslimitontheuseoflightsC．itsnaturalsurroundingsD．itssmallnativepopulation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）Mother’sDay,2017wasthelasttimethatallmythreekidswouldbekidsathome.Iwas1aMother’sDaytoremember.Thatmorning,Igotupearlyandleftfor2.TheboysandIweregoing3,notunusual,soIexpectedthetimeI’dhavewiththethreeofthemsurroundingmeduringbreak.Ienteredtheofficeaftermyclass,4thecrowdfortheirfaces.Ididn’tfindtheboys,butwasn’ttooworried5theirclassesoftenranlate.Ifoundarowwithplentyofroomforallthefourofus,6spotsformyhandsomeyoungmen.ThelongerIsatthere,themore7andangryIgot.Howcouldthey8theirmotheronthisofalldays?Icouldn’t9mywork,onlyonhowI’dbeenwronged.10thetimethelastmorningclassended,Icouldhardlywaittogethomeandgivethemapieceofmymind.Arrivinghome,Inoticedapileofrosesontheground.Ilookedcloserandsawtheywerethe11ofatrackmadefromfreshflowers,whichledtoourroom.AsI12theflowers,thedoorgotopenedandthree13facesgreetedme.Theyletmeseewhatthey’dbeenworkingonall14.15theentirefloorwerethewords,HappyMother’sDay,WeLoveYou.Theywerespelledoutwith16.Thespacewas17withthesweetnessofrosesandotherflowers.They’daskedforaleaveandworkedallmorning,gatheringthefreshflowersand18themintoasurprisingmessage.IimmediatelyrealizedI’dbeenhurryinginmy19ofthesituation.WhileIhadbeenfeelingunloved,theyhadspenttheirtimewritinga20toshowhowmuchtheyreallycared.1、A．allowingB．realizingC．expectingD．declaring2、A．churchB．hospitalC．shoppingD．work.3、A．completelyB．separatelyC．actuallyD．sincerely4、A．askingB．leavingC．callingD．searching5、A．becauseB．thoughtC．untilD．once6、A．changingB．savingC．choosingD．marking7、A．hurtB．absurdC．guiltyD．confident8、A．cheatB．consumeC．ignoreD．frighten9、A．focusonB．throwawayC．cutdownD．figureout10、A．SinceB．ForC．inD．By11、A．introductionB．beginningC．requirementD．ending12、A．followedB．selectedC．smelledD．picked13、A．shoutingB．smilingC．flyingD．running14、A．dayB．nightC．afternoonD．morning15、A．DiscoveringB．TransformingC．CoveringD．Replacing16、A．booksB．flowersC．hardshipD．effort17、A．eye-catchingB．tastyC．preciousD．alive18、A．pushingB．trickingC．arrangingD．urging19、A．changeB．improvementC．judgmentD．explanation20、A．messageB．wordC．letterD．promise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）Hongyadong,1．(locate)oncliffsaboveariver,isavastcomplexinmock-traditionalstyleinChongqing.Itsbars,restaurantsandgoldenneonlightshavebeenapopulardraw2．itwasbuiltin2006.Lastyear3．numberofvisitorsincreased.Themainreason,itseemed,wasHongyadong’ssudden4．(popular)onasocial-mediaapp,Douyin,whichisusedforsharingphotographsand15-secondvideos.5．(upload)apictureorvideofromaphotogenicspottositessuchasDouyinandKuaishouisknowninChina6．daka,meaning“punchingthecard”.Theaimisnottoproduceawell-craftedvideoorbeautifulphotograph,butsimply7．(show)thatyouhavealsobeentotheplacesthatarepopular.Asubculture8．(develop)amongyoungpeoplewhoembracedakaasalifestyletillnow.So-calleddakazucanbefoundroamingChongqingandother9．(city),checkinginatasmanyhotlocationsaspossiblewithinasingleday.Thedakacrazemayhavepracticalorigins.China’syoungurbanprofessionalshavelittlevacationtime.Soworkersneedtomakethe10．(much)oftheirlimitedleisuretime.Douyincapturesthemoodwithitsslogan:“Makeeverysecondcount.”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：在错的词下面划一横线，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。LastMonday,myauntwenttoattendameeting.Afterthemeeting,shewenttoarestaurantforalunch.Therefore,whenitwastimetopaythebill,shecouldn’tfindherpurse.Shethoughtitmusthavestolen.Justthen,amaninhisearlytwentycameupandpaidforher.Myauntwasverygratefully.Theytalkedabouteachotherforawhileandmyauntfinallyrealizewhohewas.Abouttenyearsbefore,myauntcollectedsomemoneytohelpingaboy.Thatyoungmanwastheboy.Myauntdidn’trecognizeher,butthekindnesshadneverbeenforgotten.第二节书面表达（满分25分）29．（25分）如今在家工作已经成为越来越多的人选择的工作模式．假如你是李华，最近你们班同学就"Isitgoodtoworkathome？"进行了激烈的辩论．请根据表格所给提示写一篇短文，介绍此次辩论情况并发表自己的看法．然后发表在你校英语论坛上．赞同（58%）反对（42%）你的观点1.1．省去很多时间和费用；2.2．可以创造自己喜欢的工作环境；3.3．可以更好的平衡工作和家庭生活．1.1．远离同事，会感到孤独，减少交朋友2．的机会；3.2．家人在家，会受到打扰．？注意：1．词数100左右；2．可适当增加细节，以使行文连贯．参考词汇：平衡：balancevt．同事：colleaguecn．打扰：interruptvt．____________________________________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参考答案第一部分（共20小题，每小题1.5分，满分30分）1、D2、D3、D4、A5、B6、D7、C8、D9、D10、D11、C12、A13、D14、B15、D16、B17、D18、C19、D20、C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、B2、B3、C4、A22、1、B2、B3、D23、1、B2、C3、D24、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.Groundstationshavebeenbuilttomonitorlargerpiecesofspacetrashtopreventthemfromcrashingintoworkingsatellitesorspaceshuttles.Futureplansincludeacooperativeeffortamongmanynationstostoplitteringinspaceandtocleanupthetrashalreadythere.5、Whatwasthefirstpieceofman-