河南省新乡市新乡市一中2025届高考冲刺模拟英语试题含解析

河南省新乡市新乡市一中2025届高考冲刺模拟英语试题注意事项：1．答卷前，考生务必将自己的姓名、准考证号填写在答题卡上。2．回答选择题时，选出每小题答案后，用铅笔把答题卡上对应题目的答案标号涂黑，如需改动，用橡皮擦干净后，再选涂其它答案标号。回答非选择题时，将答案写在答题卡上，写在本试卷上无效。3．考试结束后，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．ThestatementofOneFoundationhelpsyou____whereyourmoneyisgoing．A．keeptrackof B．putupwithC．comeupwith D．fitinwith2．It’shardforelderlypeopletosee______convenienceasmartphonecanbringtous.A．whatB．whichC．whoseD．how3．—________?Youlookreallydown.—I’mtiredofmyjob.Thereareendlessproblemstodealwith.A．Whybother B．SowhatC．What’sup D．Whynot4．—Shallweputofftheexperimenttillnextweek?—______,Idon’tthinkourteacherwillbehappywithit.A．Nevermind B．Sure,goaheadC．Yes,betternot D．I’drathernot5．Don’tworry.Anumberofeffortsarebeingmade______thewholesystemoperatingnormally.A．beingkept B．keptC．keeping D．tokeep6．—HowdoyoufindyourtriptoSanyaduringthethree-dayNewYearHoliday?—________Ican’tspeaktoohighlyofit.A．Oh,wonderfulindeed!B．It’sawful!C．Don’tmentionit．D．Yousaidit.7．_________hisconclusionontheevidencehecollectedonthescene,heprovedthatthemurdererwasguilty.A．Based B．BasingC．Tobase D．Beingbased8．—Let’sgotothecinemathisSundaymorning.—I’dloveto，butI________asavolunteerinmycommunitythen.A．willwork B．haveworkedC．willbeworking D．wasworking9．Thegoal,whichtheyareunlikelytolivetosee,isto“cure,preventormanagealldiseases”inthenext80orsoyears.A．accomplish B．accomplishedC．accomplishing D．beingaccomplished10．Thepartylastmonthreallygavemealotoffun.Socanwehavethismonth,Mr.James?A．any B．one C．another D．theother11．Theywillrunanafter-classclub__________kidscanhavefunandlearnhowtoprotectthemselves.A．that B．when C．where D．what12．Smoking______inthekitcheninmyhouse.A．doesn’tallowB．didn’tallowC．isn’tallowedD．won’tallow13．Iwonder________theequipmentwillbeavailableintendays.A．that B．when C．whether D．where14．---_____shouldwelookdownuponthepoor.---I’mwithyouonthat.A．Byallmeans B．Byanymeans C．Bymeansof D．Bynomeans15．Emphasisonquantityofgrowthoverlookedgapsinthequality,_____manyaspectsofthesocialservicesneglected.A．havingleft B．tobeleaving C．tohaveleft D．leaving16．—Whatdidhedoinreturnforfree________andfoodofferedbythekindcouple?—Hehelpedtheirsonwithhislessons.A．conservation B．admissionC．accommodation D．immigration17．Keepingaregularsleepscheduleisimportantforsettingababy'sbodyclock,_______researchersnoteshouldbeinplacebyabout4monthsofage.A．whose B．which C．when D．where18．MeizhouIslandissuchabeautifulplaceofinterest______everyonelikestovisit.A．as B．that C．which D．where19．Ourteacherenteredtheclassroom,__________.A．abookinhand B．bookinhandC．bookinhishandD．abookinhands20．---Canyoutellusyour________forhappinessandalonglife？---Livingeverydaytothefullest，definitely.A．recipe B．effortC．content D．demand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）4-year-oldAntonioVicentehasspentthelastfourdecadesofhislifefightingagainstthetrend.AsBrazilianlandownerscutdownrainforeststomakeroomforprofitableplantations(种植园)andcattlegrounds,hestruggledtobringthejunglesofhischildhoodbacktolife.“WhenIwasachild,thepeasantscutdownthetreestomakegrasslandsandcharcoal,andthewaterdriedupanddidnotcomeback,”hetoldthereporters,“Ithought:‘Waterisvaluable,noonemakeswaterandthepopulationwillnotstopgrowing.Whatisgoingtohappen?Wearegoingtorunoutofwater.’”Withonlysomedonkeysandasmallteamofhiredworkers,AntonioVicentesetaboutbringingbacktheforesttohisland.Whatstartedoutasaweekendhobbysoonbecameapermanentwayoflife,andAntoniorecallsoftenspendingwholedaysandnightsinhisyoungjungle,surroundedbyratsandfoxes,andeatingbananasandwichesforbreakfast,lunchanddinner.Overthelast40years,hehasplantedanestimated50,000treesonhis31-hectareland,whichnowmakeupasmallbutuniqueareaofrainforest,andahavenforwildlife.Astheforestgrew,thewaterreturned,andAntoniosaysthattherearenowover20water,sourcesonhislandthatwerenolongertherewhenheboughtit.Thentheanimalsstartedmakingahomethere,Today,theforestisalivewiththesoundsofbirdsandinsectslivingthere,andmorespeciesaresettlingineveryyear.“Therearetoucans(巨嘴鸟),allkindsofbirds,squirrels,lizards,andeventheboarsarereturning,”4-year-oldVicentesays,“Ifyouaskmewhomyfamilyare,Iwouldsayallthisrighthere,eachoneofthesethatIplantedfromaseed.”1、WhatdowelearnabouttheBrazilianpeasants?A．Theywastedmuchwateronfarming.B．Theyfocusedonshort-termprofits,C．Theycaredmuchabouttheenvironment.D．Theyreliedheavilyonrainforestsforaliving.2、WhatusedtobeyoungAntonio’sbiggestconcern?A．Overpopulation. B．Pollutedwater.C．Lossofgrasslands. D．Watershortage.3、Whatdoestheunderlinedword“haven”inParagraph3probablymean?A．Trap B．DisasterC．Shelter D．Balance4、Inthelastparagraph,Antoniomainlyexpresseshis________.A．affectionforhisforest B．thanksforhisfamilyC．deeploveforrarebirds D．prideasasuccessfulfarmer22．（8分）ConstructiononKnolly'sTunnelbeganin1896，anditwasopenedonAugust13th，1898bythemanitwasnamedafter--SirClementC．Knolly，ActingGovernorofTrinidad．ItlinkedRioClarowithPortofSpain．Itsarchitectureisstilladmiredandstudiedtoday，andmanyareamazedthatKnolly'sTunnelhasstooduptotheearth'smovementoversomanyyears．Muchresearchisbeingdoneonthetunnel．AtthetopofKnolly'sTunnelarecottagescoveredwithleaves，wherevisitorscansitandenjoythebeautyofnature．StandingatthebeginningofKnolly'sTunnel，youcanseenothingbutthetinylightattheend．Thetraintrackshavebeenremovedandreplacedwithsmallstones．Visitorscandrivethroughthetunnelorwalkthrough，butshoulddosoingroupsforsafety．Intheolddays，therewerenolights，butnowtherearestreetlightsonthewaytothetunnel，thoughnotinside．Onyourwayin，youmaynoticesomemanholesonthewallsofthetunnel．Thesewerethereforindividualstostepintoforsafetyasthetrainpassed．Knolly'sTunnelcanbeaccessedthroughTabaquiteandthroughMitchellGap．Theroadwasrecentlyimproved，butisbetterwhenyouenterfromTabaquite，andtherearesignsontheroaddirectingyoutoKnolly'sTunnel．OnthedrivetoKnolly'sTunneltherearetwoothercottageswherevisitorscansitandjustenjoynature．Atthesiteitself，thereisnothingtopurchasetoeatordrink，butinTabaquitethereareseveralbars，arestaurant，andfoodoutlets．Agasstationandahealthcentrearealsocloseby．Forthosewhoadmirearchitecture，Knolly'sTunnelisamust-seewhenvisitingTrinidad．Forthenaturelovers，thereisnobetterplaceforthemtobeandforthehistorians，theycanwalkordrivethroughKnolly'sTunnelknowingthatmanyofourancestorstoiled（workedhard）onitsstructure．SowhenyouvisitTrinidad，don'tforgettotakealookatKnolly'sTunnel!1、Knolly'sTunnelisspecialin______．A．itsenvironment B．itsfunctionC．itslocation D．itsarchitecture2、Theunderlinedword"site"intheparagraph4refersto______．A．Trinidad B．TabaquiteC．MitchellGap D．Knolly'sTunnel3、Whatisthepurposeofthepassage？______A．TosuggestavisittoKnolly'sTunnel．B．TointroducethehistoryofKnolly'sTunnel．C．ToevaluatethevalueofKnolly'sTunnel．D．TowitnessthechangeofKnolly'sTunnel4、Thepassageaboveisprobablytakenfrom______．A．ageographytextbook B．atraveljournalC．asportsreport D．ahealthandfitnessmagazine23．（8分）Asavolunteer,CharlieStarbuckhashelpedtoplanttressonthestreetsofSanFrancisco.Hehastheminjustabouteverypartofthiscity.Walkablockortwoinvirtuallyanyneighborhood,andyouwillfindMr.Starbuck’sfingerprintsarethere.Whatevertreespeciesyoumightseethere,chancesareexcellentthatStarbuckhelpedplantitwithhisownhands.Starbuckhasvolunteeredwithacitywidetree-plantingprogramsince1981;that’soverthirtyyearsofweeklyplantingswithoutpay.“ForCharlietobethatconsistent,”saysDougWildman,programdirectorofSanFrancisco’sFriendsoftheUrbanForest(FUF).“Well,heisourrock.”Despiteallitscharm,SanFranciscoisnotparticularlygreen.Sandysoil,saltyair,lotsofwindandnarrowstreetsarecommonexplanationsforitslowtreecount.Formorethanthreedecades,Starbuckhasbeenonamissiontochangethat.Heactsasaguideandteachertohome-ownersandvolunteersandteachesthemhowtoplanttrees.Helovestotalkabouttrees.“Mycurrentfavoriteisthestrawberrytree,”hesays.Treeexpertshereareconstantlyonthelookoutforspeciesthatcanhandlethelocalclimate.Thestrawberrytree,withitsmockredfruitthathangsinclusters,isinhighdemand.Careisrelativelysimple.MostofSanFranciscohassandysoil,soitisalmostimpossibletooverwaterthetrees,Starbucksays.Justbeforeayoungtreegoesintheground,Starbuckusesaboxcuttertomakeverticalslicesdowneachsideoftherootballsotherootsdon’tcontinuetogrowinacircularway,astheydointheircontainers.Heisalsoparticularaboutstaking(用柱子支撑)thetree.Threepolesaredrivenin,andthensoftclothstrapsareattachedtoeachpolesothatthetreecanwaveabit.Theabilitytowaveactuallystrengthensthetrunk.Whilethecitymaystillbeshortontrees,nearly1,000newtreestookrootherelastyearthankstoFUF.Itreceivesnearlyhalfofitsfundsfromthefederalgovernmentandmostoftherestfromstateandlocalgovernments,individuals,corporationsandfoundations.Onawalkthroughhisownneighborhood,PacificHeights,Starbuckhasatreestoryforalmosteveryblock.HisdestinationnowisacornerofNobHill.“Allyouusedtoseeherewereconcreteandparkedcars,”Starbuckexplains.“Butnow,”hesayswithpride,“youcanseesomegreen.”Starbuckwaspartofateamthatplantedmagnolias(木兰)recentlythere.“it’sthebeforeandafter,”Starbucksays.“That’swhatit’saboutforme.”1、WhatdoesDougWildmanthinkofStarbuck?A．HeisthefounderofFUFB．HeisdependablevolunteerofFUFC．HeishardtogetalongwithD．Hehassetanexampletoothers2、WhyisprobablyStarbuckinvolvedinthisvoluntarywork?A．BecausehewantstoplantmoretreesB．BecausehehopestoimpresstheimportanceofplantingtreesonpeopleC．BecausehehopestochangethesituationSanFranciscofacesD．Becausehewantstogetmoresupportfromthegovernment3、WhatdoesthelastparagraphimplyaboutStarbuck?A．HecanpredictwhatthefutureislikeB．HecansumupwhathappenedinthepastC．HeconsidersithisdutytobringchangesD．Heunderstandsthepastandfuture4、Whatisthepurposeofthispassage?A．ToexplaintherolesoftreesinbigcitiesB．TocallonpeopletoplantmoretreesincitiesC．TodescribethebadsituationofSanFranciscoD．Tointroduceaman’sefforttoplanttrees24．（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）MyhusbandDaveandIunloadedourcarafterafun-filleddaytriptoWellington.AssoonasIwalkedinthefrontdoor,Inoticedaflashinglightonouransweringmachine.Ipressedthebutton.“Hi,DaveandSharon.Youdon’tknowme.MynameisJanet.Ihaveyourcamera.”What?Irummaged(仔细搜寻)throughmybag—sureenough,mycamerawasnowheretobefound.Howdidthisstrangerhaveit?Howdidsheknowitwasmine?Thephotosonthiscamerawerepriceless.AlmostallfromourrecentvacationtoWyomingtovisitouryoungestsonandhiswifewereonit.Ouroldestsonjoinedusanditwasthefirsttimewe’dallbeentogetherinoverayear.I’dclearedthememorycardbeforehand—justsomeoldphotosthatI’dalreadydownloaded—soIwouldhaveplentyofroomtocaptureeverypreciousmoment.DaveandIhadonedayafterourtriptoWyomingbeforewehadtoreturntowork,sowemappedoutabikerideinWellington.Uponourarrival,ItookafewphotoswhileDavetookourbikesoutofourcar.NowIrealizedthatwasthelasttimeI’dseenmycamera.Ihadn’tdownloadedourWyomingpictures.Theycouldhavebeenlostforever.Therewasnonameoraddressonthecamera.WhowasthisJanet?Somedetective?Icalledherback.“Howdidyoufindit?”Iasked.“Howdidyoufindme?”“Irecognizedyourchurchinafewphotos,”shesaid.“Anotherphotohadayoungmanwearinganamebadge(姓名牌).Iphonedthechurchsecretarytoconnectthedots.”JanetdescribedoldphotosIthoughtI’ddeleted.Buthowcouldshehaverecognizedourchurch?“Whereareyou?”Iasked.“WherecanImeetyoutogetthecamera?”Ididn’thavetotravelfar.Janetlivedjustfifteenminutesaway—sheattendedoursisterchurchthenexttownover.1、Hearingthemessageontheansweringmachine,theauthorwas________?A．veryexcitedB．deeplygratefulC．prettyannoyedD．greatlysurprised2、WhatisParagraph3mainlyabout?A．Theadvantagesofthecamera.B．Whythephotoswereimportant.C．Theauthor’sloveforphotographing.D．Howmuchtheauthormissedhersons.3、ItturnedoutthatJanet________.A．wasthechurchsecretaryB．alsoattendedtheauthor’schurchC．knewtheyoungmaninthephotoD．wasfamiliarwiththeauthor’schurch4、Whatdoestheunderlinedpart“connectthedots”inParagraph7mean?A．Toformagoodrelationship.B．Tofeelasenseofagreement.C．Tomakeconnectionsinone’smind.D．Tohavethedotsonapaperconnected.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）OnNovember18,1995,ItzhakPerlman,theviolinistcameonstagetogiveaconcert.Gettingonstageis1smallachievementforhim.Hewas2withpolio(小儿麻痹症)asachild,sohewalkedwiththe3oftwocrutches(拐杖).The4satquietlywhilehe5hiswayacrossthestagetohischairandbeganhisplay.Butthistime,somethingwentwrong.Justashefinishedthefirstfewbars,oneofthestringsonhisviolin6.Wethoughthewouldhavetostopthe7.Buthedidn’t.8,hewaitedamoment,closedhiseyesandthen9theconductortobeginagain.Theorchestrabeganandheplayedwithsuchpassion10theyhadneverheardbefore.Ofcourse,anyoneknowsthatitis11toplayaharmoniousworkwithjustthreestrings.Butthatnight,he12toknowthat.Whenhefinished,therewasanawesome13intheroom.Andthenpeopleroseand14.Therewasanextraordinaryoutburstof15fromeverycornerofthehall.Hesmiledandthensaid,“Youknow,sometimesitistheartist’stasktofindouthowmuch16youcanstillmakewithwhatyouhaveleft.”Thispowerfullinehas17inmymindeversince.Perhapsthisisthe18oflife—notjustforartistsbutforallofus.Soourtaskinthisfast-changingworldistomakemusic,19withallthatwehave,andthen20thereisnolongerpossible,tomakemusicwithwhatwehaveleft.1、A．almost B．much C．no D．too2、A．shocked B．struggled C．suffered D．hit3、A．aid B．direction C．guide D．instruction4、A．team B．conductor C．parent D．audience5、A．made B．worked C．lost D．found6、A．twisted B．broke C．bent D．lost7、A．piece B．career C．tour D．concert8、A．Therefore B．Anyhow C．Instead D．Moreover9、A．ordered B．signaled C．waved D．told10、A．as B．that C．which D．what11、A．impossible B．probable C．hopeless D．improper12、A．tried B．agreed C．decided D．refused13、A．sound B．horror C．silence D．interest14、A．cried B．shouted C．jumped D．cheered15、A．laughter B．applause C．tears D．scream16、A．money B．difference C．music D．fame17、A．stayed B．kept C．planted D．wondered18、A．secret B．definition C．sense D．purpose19、A．aboveall B．atlength C．atlast D．atfirst20、A．while B．where C．when D．whether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）Arecentstudyshowsthatmostadultsdidhouseholdchores1．(active)whentheywereyoung.Mostkidstodaydonotdoasmanyhouseholdchoresasbefore,2．samestudyshows.Anexpertsaid,“Parentstodaywanttheirkidstospendmoretime3．thingsthatcanbringthemmoneyandhonour.Theyhavestopped4．(do)theonethingthathasproventobringsuccess.Thatisdoinghouseholdchores.”Anotherstudyfindsthatcomparedwiththekids5．didn'tdohouseholdchores,youngadultsbeginningchoresatages3and4weremorelikely6．(succeed).Theyhadbetterfamilyrelationships,didbetterinschool,performedbetteratworkandweremoreindependent.Personalhappiness7．(say)tocomefromstrongrelationships.Itbeginsbylearningtobekindand8．(help)totheirparentsathome.Ifyourkidssaytheyhavetoskipchoresbecauseit'stimethey9．(deal)withtheirhomework,you’dbetternotletthemoffthehook.Ifyoudo,yourchildmaythinkgradesaremoreimportantthancaringaboutothers.“Whatmayseemlikesmall10．(message)atthemomentadduptobigonesovertime，”saysanexpert.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。Writingwasmyfavoriteclassatschool、Myteacher,BebeUsi,wasdevotingandencouraging、Weeachspentseveralclassesmakeapapermaskandworeitwhenreadingourownworkbeforetheclass、Ihaveforgottenthatcompositionnow,butIrememberthefeelingofmaskonmyfaceandmyheartwasbeatingwildasIsharedmycomposition、Iwasafraidofbutproud、Ihavewrittenmanycompositionsbeforethatbutnoneofwhichhadbeenchosentobereadbeforetheclass、Theyperhapsweren'tthebestcompositionandthemostbeautifulmaskinmyclass、Buttheybothweremy、34第二节书面表达（满分25分）29．（25分）近年来，随着网络的普及，学生的汉字书写能力下降。为了保护传统民族文化—汉字，校学生会提出倡议。请你根据以下内容提示，以学生会的名义为你校的同学们写一封英文倡议书。1.少上网，多读书；2.养成练书写和写日记的习惯；3.少发电子邮件，尽量动手给亲朋好友写书信。注意：短文词数不少于100（开头和结尾已给出，不计入总词数）参考词汇：汉字ChinesecharactersDearfriends,Inrecentyears,manyofushavespentalotoftimeontheInternetwithitspopularity.______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、B2、A3、C4、D5、D6、A7、B8、C9、B10、C11、C12、C13、C14、D15、D16、C17、B18、A19、B20、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、1、B2、D3、C4、A22、1、D2、D3、A4、B23、1、B2、C3、C4、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.Themajorproblemwiththespacetrashisthatitmayhitworki