2021-2022學(xué)年陜西省黃陵縣黃陵高三第四次模擬考試英語試卷含解析

2021-2022高考英語模擬試卷注意事項：1．答題前，考生先將自己的姓名、準考證號填寫清楚，將條形碼準確粘貼在考生信息條形碼粘貼區(qū)。2．選擇題必須使用2B鉛筆填涂；非選擇題必須使用0．5毫米黑色字跡的簽字筆書寫，字體工整、筆跡清楚。3．請按照題號順序在各題目的答題區(qū)域內(nèi)作答，超出答題區(qū)域書寫的答案無效；在草稿紙、試題卷上答題無效。4．保持卡面清潔，不要折疊，不要弄破、弄皺，不準使用涂改液、修正帶、刮紙刀。第一部分（共20小題，每小題1.5分，滿分30分）1．Asisknown,onlyhardleadstohappiness.A．workB．worksC．workedD．working2．—DoyouknowLindawasfiredforhercasualattitudetowardsthejob?—Nowondershe_________whenItriedtoamuseherthismorning.A．wastickledpink B．pulledmylegC．gavemethecoldshoulder D．sawthehandwritingonthewall3．Itisunwisetodisturbonewhoisdevotedtohiswork.Just_____.A．facethemusicB．flyoffthehandleC．eatyourwordsD．biteyourtongue4．Ourteamisworld-classanditwasnosurprisethatwewonbysuchamargin.A．low B．highC．wide D．narrow5．Airpollution,togetherwithlittering,____manyproblemsinourlargeindustrialcitiestoday.A．causes B．cause C．caused D．causing6．Richardsaveduphismoney______hemightgoabroadforhissummerholiday.A．incaseB．nowthatC．a(chǎn)sifD．sothat7．—OK，here___________.—Thankyouforyourlift.Seeyoulater.A．a(chǎn)reweB．isitC．weareD．comesit8．Ifyoueveraren’tsurewhetheryouhaveboughttheverybestsmartphone,just_________“goodenough.”A．makeforB．settleforC．a(chǎn)nswerforD．a(chǎn)ccountfor9．Modestyisakindofgoodquality,whichis______ittakestobeyourpersonalbest.A．what B．where C．which D．when10．---Sorry!I’mafraidthatIcan’tgotothemagicshowbyDavidCopperfieldwithyou.---.A．Itdoesn’tmatter.B．Doasyoulike.C．Whatashame.D．Takeiteasy.11．—Igotbeateninthefirstroundinthecontest.Iamfeelingdepressed.—Cheerup!Youhaveto________yourself________tohavethelastlaugh.A．open;upB．pick;upC．knock;upD．do;up12．ThoughthestoryofLiYunlongintheTVdrama“BrightSword”isafiction,muchof__________happenedishistoricallytrue.A．that B．what C．which D．it13．Oncepublished,thenovelwasa(n)successandwassoontranslatedintonineforeignlanguages.A．occasionalB．instantC．constantD．individual14．Undergoodtreatment,manypatientsarebeginningto________andwillsoonrecover.A．turnupB．catchupC．pickupD．showup15．---Marywasaskedtodosomethingimportant.---Itdoesn’tmatter.Let’stheworkwhereitisleftoff.A．takeup B．takedown C．takein D．takeoff16．Davewasa________.Becauseofhismisconductinclass,thewholeclasshadtostayafterschool.A．wetblanketB．leadinglightC．blacksheepD．darkhorse17．---Areyousatisfiedwiththishouse?----________.Wecan’thaveaniceroneA．NotalittleB．NotabitC．AlittleD．Abit18．AgrandbanquetwasheldbyElizabethII_____PresidentXi’scurrentstatevisittotheUK.A．intermsofB．inhonorofC．infavorofD．inmemoryof19．—HowdoyouthinkIcanmakeupwithJack?—Setaside_______youdisagreeandtrytofind_______youhaveincommon.A．what;what B．what;where C．where;what D．where;whether20．Wordcamethat30firefightersgavetheirlivestoourcountry_______nationalpropertysecurity.A．inexchangefor B．inresponsetoC．intermsof D．incontrastwith第二部分閱讀理解（滿分40分）閱讀下列短文，從每題所給的A、B、C、D四個選項中，選出最佳選項。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（簡報）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．a(chǎn)nythingtheflightstafftellyoutodoB．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）Environmentalexpertswarnthatourplanetisdrowninginplastic.Theworld’scitiesproduce2billiontonsoftrasheveryyear.Bytheyear2050thatnumberisexpectedtoriseto3billiontons.TheWorldBankestimatesthatthelargestamountoftrashtoday,about44percent,isplastic.Butweoftenhavetobuypackagedgoods.Andoftenthatpackagingismadeofplastic.Now,thatmaybechanging.Anewenvironmentally-friendlyshoppingmodelwasrecentlylaunchedattheWorldEconomicForuminDavos,Switzerland.Thisshoppingmodel,calledLoop,aimstoreplacethrowawaycontainerswithreusableones.LoopistheideaofTerraCycle,anAmerican-basedrecyclingcompany.Itschief,TomSzaky.toldtheAssociatedPress(AP)that“removingplasticsfromtheoceanisnotenough.”Hesaidthepointistogetawayfromsingle-usepackages.SzakysaidthatLoopisthefutureofshopping.Butitcomesfromanideaofthepast.Hecomparedittothe“milkmanmodel”ofthe1950sintheUnitedStates.Backthen,someonebroughtmilktoyourdoorstepinglassbottlesandthenleftwithemptybottles.Thesecouldbecleanedandusedagain.Theresultiszero-waste.JenniferMorganfromtheenvironmentalnon-profitorganizationGreenpeacealsojoinedinthediscussionaboutLoopatDavos.Shesaidthat“GreenpeacewelcomestheaimoftheLoopAlliancetomoveawayfromthrowawaycultureanddisposability.”ButMorganquestionedwhethercompaniesworldwidearereadytochangetheirbusinessmodels.LoopissettolaunchlaterthisyearinthreeeasternU.S.states,andalsoinParis,Franceandsomeofthesurroundingarea.ThenLoopplanstoexpandtotheU.S.WestCoast,Toronto,CanadaandBritainbytheendofthisyearor2020.1、WhatdoestheauthorintendtodoinParagraph2?A．Providebackgroundinformation. B．Advocatezero-wastelifestyle.C．Explainthereasonfortrash. D．Introduceanewtopic.2、Wheredoestheidea“Loop”comefrom?A．TheWorldEconomicForum. B．Demandofsomecompanies.C．Zero-wastemodel. D．Themilkmanmodel.3、WhichcountriesisLoopexpectedtoexpandtoby2020?A．UnitedStatesandSwitzerland. B．SwitzerlandandBritain.C．CanadaandBritain. D．FranceandCanada.4、Whatisthetextmainlyabout?A．Anewshoppingmodel. B．Thedevelopmentoffuturecity.C．Theworld’senvironmentalissue. D．Theconcernsoffutureshopping.23．（8分）Kyleismybigbrother.Foreighteenyears,IfeltthatKylewasmyenemy.Infact,Ifounditridiculousthatpeoplethoughtolderbrotherslookedoutfortheirsisters,protectedthemandfoughtofftheirsisters，bullies.Huh?Mybrotherwasthebully(恃強凌弱者).Whenwewerelittle,hisfightswithotherscausedmyonlyblackeye,cutsinmylipsandevenanosebleedortwo.IoftenwishedIwereanonlychild!Timeflew.Weendedupattendingcollegestwothousandmilesapart,yet,strangely,that’swhenwebegancommunicating.Throughe-mail,wekeptinconstanttouch.MostlyIcomplainedaboutserioushomesickness,impossibleroommates,difficultclasses,and…dating.IfeltIlostmyself.Ataparticularlylowtime,IcriedtoKyleaboutmyinjuredconfidence,mybrokenheart,andtheparticularjerk(蠢人)whobrokeit.Andthat’swhenthepackagearrived.“What’sthis?”IthoughtasItoreintoit.Theboxrevealedasweatshirt.“PhiDeltaTheta?That’sKyle’sfrat(兄弟會).”Kylewasthepresidentofthefrathouse.Whywouldhesendthis?Iputitasideanddugdeeper.Apileofletters.Andtheywerealladdressedtome.Iopenedtheoneontop.“Katrina,”itsaid,“yourbrothershowedmeyourpictureandIthinkyou’reawesomeandbeautiful.”Irolledmyeyes.“Yeah,sure.”Iopenedanotherletter.Andanother.Eighteeninall.Eachonewasfromadifferentguy.Theycomplimented(恭維)me.Theyinvitedmeondates.AndtheytriedtoconvincemetomakeatripouttoKnoxCollegeandmeetthem.Ilovedit.Ididn’tcareaboutthemotive.Andmostly,Ilovedtheideathatmybigbrotherhadpulleditoff.Ipickedupthephone.“Kyle,theboxcameandIcan’tbelievewhatyoudid.”ButKylewasn’tacceptingcompliments.“Oh,”hesaid,“Iwasjusttiredofreadingyourcomplaints”.Bigbrothers,Idecided,reallydidprotecttheirsisters.AndminefoughtoffthebiggestbullyI’devermet.NowIreturntomytrueself,fullofconfidence.1、WhydidtheauthorusetocallKyleherenemy?A．Hehadmanyfightswithher.B．Hecouldn’tfightoffherbullies.C．Hebulliedherfromtimetotime.D．Hisfightscausedhertosufferalot.2、Whydidthefratguyswritetotheauthor?A．Theyhadmercyonher.B．Theytriedtocheerherup.C．Theywerestruckbyherbeauty.D．Theywantedtocomplimenther.3、Whatdoestheunderlinedpartinthelastparagraphreferto?A．Myself-doubt.B．Myhomesickness.C．Theparticularjerk.D．Thechallengingclasses.4、What’stheauthor’spurposeinwritingthispassage?A．Toshareherchildhoodexperience.B．Tocomplainaboutherbiggestbully.C．Toshowherbrother’sprotectionforher.D．Tointroduceheradjustmenttocollegelife.24．（8分）Webelieveeverykiddeservesachildhood.Theopportunitytobeakid.Sunshineindarkdays.That’swhywe’vepartneredwithTheSunshineKids?.Thenon-profitSunshineKids?establishedin1982,iscommittedtobringingsunshinetoyoungcancerpatients’livesbyprovidingpositivegroupactivitiesandemotionalsupport,helpingthemdowhatkidsaresupposedtodo—havefunandcelebratelife.ThefoundationprovidesavarietyoffreeprogramsandeventsforkidsreceivingcancertreatmentsinhospitalsacrossNorthAmerica.EachyearBerkshireHathawayHomeServicesnetworkmembersraise$2million+throughawidevarietyoffundraisersandcommunityevents,andthroughticketsalesandcontributionsmadeatourannualSalesConvention.TheSunshineKids?andBerkshireHathawayHomeServiceslookforwardtothedaywhentheFoundationwillnolongerneedtoexist.Butuntilthatday,bothorganizationsremaindedicatedtothecause.TalktoyourBerkshireHathawayHomeServicesagenttoseehowyoucanbringsunshineintothelivesofyoungcancerpatients.1、Accordingtotheadvertisement,theSunshineKids?Foundation.A．providesfreemedicaltreatmentforkidswithcancerB．ismeanttobringjoyandsupporttokidswithcancerC．isfundedbygovernmentbudgetandpersonaldonationsD．expectstheverydaywhenkidswillbefreefromcancer2、Thepurposeoftheadvertisementisto__________.A．a(chǎn)ppealtopeopletocontributetocharityB．educatepeopleontheimportanceofcharityC．promoteBerkshireHathawayHomeServicesD．offerconsultantservicetotheSunshineKids頂25．（10分）Famousresorts(度假勝地)ontheearthMaldivesMaldivesisfamedasthelastparadise(樂園)ontheearth.It'smadeupofmorethan1,800coralislands,spreadingoveraseaareaofabout90thousandsquarekilometersontheIndianOcean.PeopleinMaldivesbelieveinIslam.Theymustobservethereligiousrulesstrictly.However,touristsdon'tneedtofollowthesecustomsinsidehotels,buttheymustdoasthelocalswhentheyenterthecommunityofthelocalpeople.JejuIslandJejuIsland,alsoknownasthe“IslandsoftheGods”，isthebiggestislandofSouthKorea.Itisavolcanicislandwithapleasantclimate.Itsyearlyaveragetemperatureis16℃，whichmakesitthemostattractivevacationstopinNortheastAsia.Ithasgainedafameasashoppingparadise.Herealltheluxury(奢侈品)brandsarefreeofduty.Everysummerthousandsoftouristscomeheretolookforthegods,enjoythecoolnessofthegentleseabreezeandbuycheapluxuries.PhuketIslandPhuketIsland,thebiggestislandofThailand,iscalledapearlontheIndianOcean.Itisworld-famousforitsbeautifulbeaches.Somearequietandtourist-friendly,andsomeareasluxuriousaspersonalvacationbeaches.Somearefamousforseasports,andsomeareattractivetoloversofeveningentertainments.Therefore,you'llhaveagoodtimeherewhetheryou'resingleoraccompaniedbyyourfriends.HaymanIslandHaymanIsland,asecretvacationisland,isoneofthe600coralislandsthatmakeuptheGreatBarrierReef.EveryyearthousandsoftouristscomeheretoadmirethebeautyofthetropicseaandthecharmingsceneoftheGreatBarrierReef.However,theyseldomseeanywaitersandwaitressesaroundastheyworkinandtravelthroughaspecialtunnel(通道).Thisiswhyit'scalledthemostsecretresort.1、Ifyouintendtodosomeshoppingbesidessightseeing,________maybeisyourbestchoice.A．MaldivesB．PhuketIslandC．JejuIslandD．HaymanIsland2、Touristsshould________inMaldiveswhengettingoutofthehotels.A．followthelocalrulesB．watchoutforsharksC．stayinsecrettunnelsD．stayawayfromthelocalpeople3、PhuketIslandisregardedas________bytourists.A．the“IslandsoftheGods”B．a(chǎn)pearlontheIndianOceanC．a(chǎn)secretvacationislandD．thelastparadiseontheearth4、TouriststhinkHaymanIslandissecretbecause________.A．theyarestrictlylimitedwithinthehotelB．theyaren'tallowedtoswimintheseaC．theyareforbiddentobargaininthemarketD．theycan'tmeetservantsaroundthem第三部分語言知識運用（共兩節(jié)）第一節(jié)（每小題1.5分，滿分30分）閱讀下面短文，從短文后各題所給的A、B、C和D四個選項中，選出可以填入空白處的最佳選項．26．（30分）Stevewasaseventhgrader,abigboy,lookingmorelikeateenagerthana12-year-old.Yet,hewentunnoticed--hehadbeen1everyexaminationsincefirstgrade一untilMissWilma.Inthemiddleofthefirstsemesterofschool,theentireseventhgradewas2forbasicskills.“Youalldidprettywell,"MissWilmatoldtheclassaftergoingoverthe3"exceptforoneboy.Andit4myhearttotellyouthis,but.."she5，“thesmartestboyintheseventhgradeisfailingmyclass."Steve6hiseyesancarefullyexaminedhisfingertips.Afterthat,Stevestillwouldn'tdohishomework.EvenifMissWilma7punishedhim,heremained8“Steve,please!Icareaboutyou!”9,Stevegotit!“SomeoneCARESABOUTME?!”O(jiān)neMondayacoupleofweekslater,MissWilmagavea10ontheweekendhomework.Steve11throughthetestandwasthefirsttohandinhispaper.Withalookof12，MissWilma1ookhispaperandbegantolookitover.MissWilma'sfacewasin13shock!SheglancedupatSteve,then14,thenup.Thesmartestboyintheseventhgradehadjustpassedhisfirsttest!Fromthatmoment,nothingwasthesameforSteve.Hediscoveredthatnotonlycouldherememberandunderstand15,buthecouldtranslatewhathelearnedintohislife.Hebecame16，Afterhighschool,SteveenlistedintheNavy,andhehada(n)17militarycareer.Duringhisnavalyears,heinspiredmanyyoungpeoplewhomightnothave18themselveswithouthim.A19tookplacewithintheheartofaboyallbecauseofoneteacher,who20.1、A．missingB．failingC．passingD．skipping2、A．testedB．classifiedC．separatedD．dismissed3、A．questionsB．effectsC．lessonsD．results4、A．fillsB．pressesC．breaksD．destroys5、A．shoutedB．hesitatedC．interruptedD．laughed6、A．droppedB．raisedC．coveredD．closed7、A．strangelyB．steadilyC．severelyD．secretly8、A．helplessB．stubbornC．flexibleD．crazy9、A．CommonlyB．UnwillinglyC．ParticularlyD．Suddenly10、A．quizB．chanceC．speechD．presentation11、A．sleptB．lookedC．livedD．hurried12、A．disappointmentB．surpriseC．satisfactionD．inspiration13、A．betterB．totalC．preciousD．ridiculous14、A．downB．a(chǎn)wayC．outD．back15、A．homeworkB．gradesC．knowledgeD．subjects16、A．outstandingB．lazyC．roughD．troublesome17、A．tiringB．ordinaryC．hardworkingD．successful18、A．reliedonB．lookedafterC．turnedtoD．believedin19、A．competitionB．choiceC．changeD．campaign20、A．waitedB．listenedC．wishedD．cared第二節(jié)（每小題1.5分，滿分15分）閱讀下面材料，在空白處填入1個適當?shù)膯卧~或括號內(nèi)單詞的正確形式。27．（15分）Iwaswalkingwithafriendyesterday1．Ifoundacellphoneinapileofsnow.Ipicked2．upanditstillworked!IstartedlookingthroughthenamelistanddialingnumberstoseewhetherIcouldfigureoutwhosephoneitwas.3．(luck),onlyonepersonansweredandshedidn'trecognizethenumber.Sincethatladydidn'tknowwhosephoneitwas,myfriendsuggestedthatwegobackto4．housethatwefoundthecellphoneinfrontof.Iknockedonthedoorandtwocollege-agepersonsanswered.They5．(lose)theirphones,butasItoldthemthestoryandmentionedsome6．onthenamelist,theyoungmansaidthathealsohadthosenamesandit7．bethephoneoftheirfriends.Ireallydidn'thaveanythingtosay,becauseinmymindIwasjustdoingtherightthing.I8．(immediate)triedtofindtheowner,becausethatisexactly9．IwouldwantsomeonetodoifeitherIoranyofmyfamilymemberslostphones.Thepurposeofhelpingothersisnotforreturn.10．(help)othersismorethanenoughformeanditisthemostendlessjoyoflife.第四部分寫作（共兩節(jié)）第一節(jié)短文改錯（滿分10分）28．（10分）假定英語課上老師要求同桌之間交換修改作文，請你修改你同桌寫的以下作文。文中共有10處語言錯誤，每句中最多有兩處。每處錯誤僅涉及一個單詞的增加、刪除或修改。增加：在缺詞處加一個漏字符號（?），并在其下面寫出該加的詞。刪除：把多余的詞用斜線（\）劃掉。修改：在錯的詞下面一橫線，并在該詞下面寫出修改后的詞。注意：1、每處錯誤及其修改均僅限一詞；2、只允許修改10處，多者（從第11處起）不計分。Tenyearsago,IwasluckyenoughtohaveanopportunitytostudyinEnglandasainternationalstudent、Iwenttooneofthemostfamousschoolthere、Onthefirstday,IwassuchnervousthatIfeltmyheartbeatenwildly、Iwasafraidtoexpresstomyself,becauseIhavenevercommunicatedwithstrangersinEnglishbefore、Therefore,myteachersaidIhadtointroducemeinfrontoftheclass、Assoonasthefirstwordflewoutmymouth,Ifeltrelaxingimmediately、IwashappyIfinallymadeit、It’saspecialday,whichIwillneverforget、第二節(jié)書面表達（滿分25分）29．（25分）假定你是李華，你的英國筆友杰克對中國傳統(tǒng)文化感興趣，通過電子郵件向你詢問中國龍(dragon)的情況。請你給他回復(fù)一封郵件，向他作相關(guān)的介紹。要點如下：1.龍在中國的意義；2.龍象征著……；3.……注意：1.詞數(shù)100左右（開頭和結(jié)尾已經(jīng)給出，但不計入總詞數(shù))；2.可以適當增加細節(jié)，以使行文連貫。DearJack,I’mveryhappytoreceiveyoure-mail,askingaboutthedragoninChina._______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yours,LiHua

參考答案第一部分（共20小題，每小題1.5分，滿分30分）1、D2、C3、D4、C5、A6、D7、C8、B9、A10、C11、B12、B13、B14、C15、A16、C17、A18、B19、C20、A第二部分閱讀理解（滿分40分）閱讀下列短文，從每題所給的A、B、C、D四個選項中，選出最佳選項。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（拋棄）thingsthatnolongerservedanyusefulpurposeinspace.Itisestimated（估計）thattherearenowover500,000piecesofman-madetrashorbitingtheEarthatspeedsofupto17,500milesperhour.Thejunkvariesfromtinypiecesofpaintchippedoffrocketstocameras,hugefueltanks,andevenodditemslikethemillion-dollartoolkitthatastronautHeidemarieStefanyshynPiperlostduringaspacewalk.Themajorproblemwiththespacetrashisthatitmayhitworkingsatellitesanddamagetravelingspacecraft(飛船).Moreover,piecesofjunkmaycollide（碰撞）witheachotherandbreakintopieceswhichfallbacktotheEarth.To