安徽省淮北市、宿州市2024屆高三下第一次測(cè)試英語試題請(qǐng)考生注意：1．請(qǐng)用2B鉛筆將選擇題答案涂填在答題紙相應(yīng)位置上，請(qǐng)用0．5毫米及以上黑色字跡的鋼筆或簽字筆將主觀題的答案寫在答題紙相應(yīng)的答題區(qū)內(nèi)。寫在試題卷、草稿紙上均無效。2．答題前，認(rèn)真閱讀答題紙上的《注意事項(xiàng)》，按規(guī)定答題。第一部分（共20小題，每小題1.5分，滿分30分）1．Therisinghousepriceandthehighincometaxratehavebecomethebiggest______oftheordinarypeopleinChinatoday． A.concern B.influence C.involvement D.occupation2．Theyfelt________itwashightaxandlowincome________contributedtotheextrememiseryoftheworkingpeopleatthebottomoftheladder.A．/；that B．that;whichC．that;what D．/;which3．Thedebatehasonlyafewmomentsthatmightbeinspiringtothosewho______thisissue.A．followed B．hadfollowed C．havebeenfollowing D．werefollowing4．TheJapanesepeoplekeepupcheerfulspirits________theworldthattheycangetoverthecrisiscausedbytheterribletsunami（海嘯）.A．beingconvinced B．convinced C．toconvince D．havingconvinced5．—Alice,whyaren’tyouatworktoday?—Iadayoff． A．havegiven B．havebeengiven C．gave D．wasgiven6．_________therequirementissethigh,itisablessingforChinesestudentsthatCambridgeUniversityusesscoresonGaokaoaspartofitsadmissioncriteria.A．As B．While C．Once D．Where7．—TherearenorelativearticlesontheInternet.Whatshallwedo?—MyGod！Therearealwaysnotanyusefularticleswhenyouwant.A．one B．it C．that D．a(chǎn)ny8．Manythoughtthatafterstarringintheimmenselypopulardrama，NirvanainFire，HuGewould________andactivelyseeknewroles．A．makeamountainoutofamolehillB．havetoomanyironsinthefireC．strikewhiletheironishotD．putthecartbeforethehorse9．Istillfindithardtoimaginethatsuchacleverchild__________makesuchafoolishmistake.A．shall B．mustC．can D．should10．—Catherine,willyouvisitusthisweekend?—Iplannedto,butsomethingunexpected.A．hascomeup B．wascomingupC．hadcomeup D．wouldcomeup11．---Wefoundabuyerforourhouse,butthenthesale_____.---Whynotpromoteitbypostinganadvertisementonline?A．fellthroughB．gotthroughC．clearedupD．lookedup12．Don’tthrowawaytheoldbooks．Givethemto____needsthem．A．whoever B．a(chǎn)nyone C．who D．whomever13．Thedesksinourclassroomaresoclosetogetherthatthereisnotenoughroomtomovethem．A．between B．in C．a(chǎn)cross D．over14．Herdoctorindicatedthatevenaddinga(n)_____amountofdailyexercisewoulddramaticallyimproveherhealth.A．modestB．equalC．considerableD．exact15．Inthepastfewyears,we’veseenworksbyChinesesci-fiwriterswinninginternational______.A．conclusion B．standardC．potential D．recognition16．Theinnerthoughtsofthetwoyoungpersonsarerevealedinthebook,______bothofthemfailtoexpress.A．where B．whenC．who D．which17．OurEnglishteacherisconsiderate，helpful，andwarm-hearted，butsometimesshe________________beangryatoursillymistakes.A．should B．mustC．can D．shall18．Thepoliceareoffering______rewardof$50,000forinformationleadingtothearrestof_____murderer.A．the;the B．a(chǎn);a C．the;a D．a(chǎn);the19．Thelackofeco-friendlyhabitsamongthepublicisthoughttobeamajor_____________ofglobalclimatechange.A．Result B．causeC．warning D．reflection20．Theydon’tfeelsafeinourtownatnightbecauseitsodangerous.There’sarobberyeveryweeknow.A．becomes B．became C．hasbecome D．hadbecome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(gè)選項(xiàng)中，選出最佳選項(xiàng)。21．（6分）Iwasnervous,nodoubtaboutit,butIfeltprettyfearfullysittingthereunmovingontopofthehorse,soIpickedupmycanter（使馬慢跑）.Iwentafewtimesaroundthestadium,sayingIwaswarmingupmyhorse.Butreally,IwastakingsometimetocollectmythoughtsandpreparemyselfbeforeIjumped.Ortoputitinamoresimpleandrealistictone,Iwasdelaying.FinallythetimecamewhenIhadtojustsuckitupandjumpthehorse.Iswallowed,turned,andbeganheadingstraightforthejump.MypalmsbegantosweatandItightenedmyself.Therewasnoturningbackfromthisnow.Isatupinmyjumpingpositionasmyhorsepickeduphisspeedtojump.Fearrushedthroughmeaswellasasenseofexcitement.BeforeIknewit,Iwasupintheair,flyingoverthejump.Asscaredwas,Iwasdeterminednottomessthisup.Myhorselandedwithasmallbeatontheothersideofjumpandcontinuedcanteringaroundthefieldlikenothinghadeverhappened.Miraculously,Iwasseatedfirmlyonthehorse,unharmed.Surprised,IsloweddowntoasmoothrunningtoprocessthatIhadn'tjustbeenthrownoffaleapinganimal.Myridinginstructorcongratulatedme,proudthatIgotthroughit.IadmitthatIwasproudaswell.I'mnotusuallythekindofpersonthatfacestheirfears.Instead,Iusuallyrunawayfromthem.1、Whatistheauthor'srealpurposetogoaroundthestadiumseveraltimes?A．Towarmhishorseup.B．Tojudgethedistance.C．Tomakesuretosucceed.D．Tocalmhimselfdown.2、Howdidtheauthorfeelbeforethehorselanded?erestedb.excitedc.frightenedudA．a(chǎn);bB．b;cC．c;dD．a(chǎn);d3、Whatcanweinferfromthelastparagraph?A．Theinstructorusedtobeproudoftheauthor.B．Theauthorusedtostayawayfromchallenges.C．Theauthorfearednothingmuchfromthenon.D．Theinstructorbelievedtheauthorcouldsucceed.22．（8分）NeilJordan,aconservationbiologist,hascomeupwithanovelmethodforprotectingcattlefromAfricanlions:painteyesontheirbehinds.Thelionswillthinktheirintendedpreyhasseenthemandwillgiveup,sincethey’velosttheelementofsurprise.Thispsychologicaltrickeryhasbeencalled“iCow”,whichisactuallynotasstrangeasitsounds.Theeye-likepatternsonbutterflywingsareknowntopreventpreyingbirdsandwoodcuttersinIndianforestswearmasksonthebacksoftheirheadswhenworkingtodiscouragehungrytigers.TheinspirationfortheiCowstrategycamewhileJordanwasbasedinavillageinBotswana,whentwolionesseswerekilledbylocalfarmerstorevengetheircattle’sdeath.TheAfricanlionisavulnerablespecies,withnumbersdroppingfromover100,000inthe1990stoabout30,000today.Muchofthatdeclineisduetothesekindsofrevengefulkillingsbecausefarmershavenoeffectivestrategiesforprotectingtheirherds.“Lionsarehuntersthatliketoattackbysurprise.Theymoveslowly,quietlyandcarefullytotheirprey,getcloseandjumponthemunseen,”hesaid.WhenJordanwaswatchingalionfollowanantelopeoneday,henoticedtheliongaveupthehuntoncetheantelopespottedit.Sohejoinedoneofthelocalfarmersona10-weektrialstudy,paintingeyesonone-thirdofaherdof62cattle.Whenthecattlereturnedeachnight,theytookaheadcounttoseehowmanyhadsurvived.Onlythreecowswerekilledbylionsduringthisperiod-allwithoutthepaintedeyesontheirbehinds.Andallthepaintedcowssurvived.However,Jordanwarnedthatsofarthisisjustapromisingidea.HeisnowbackinBotswanaforamoreambitiousstudy,armedwithGPSdevicestobettermonitorthemovementofpredatorsandprey.1、TheiCowstrategyisdesignedto.A．killthelionsB．warnthepreysofdangerC．identifythecattleD．scareoffanimalsthatkill2、Whenhunting,lionsliketo.A．giveuphalfwayB．hesitatetotakeactionC．chasetheirpreysteadilyD．launchsurprisingattacks3、Whatcanbeinferredfromthepassage?A．TheiCowstrategyislikelytobringgreatbenefit.B．Inthe10-weektrialstudymorecattlewerekilled.C．Thefarmerswilltaketheirrevengeonmorelions.D．Neilgotinspirationfrompatternsonbutterflywings.23．（8分）I’dplannedtospendmyweekendinthesun,pottingflowersoutdoors.Butthatwasbeforethepairofcrows.Outofnowhere,theyhadsetuptheirbasecampinourbackyard.WefirstdiscoveredourfeatheredenemiesonFridaymorning.Itwasearly,andthesoundthebirdsmadetravelledthroughourneighborhood.Ifiguredthey’dgoawaysoon.But,no.Theyweregettinglouderandprobablyannoyingmyneighborsnearlyasmuchasuswiththenoise.IadmitIgotalittledesperate.Then,onSundayafternoon,IlookedoutthekitchenwindowtoseeourdogQuatchistaringatsomethingontheground.Iwenttoexploreandfoundasmallcoal-blackbirdinthegrass.Itseyesweremilky,anditstayedperfectlystillasmydoginchedtowardsit.OnlywhenQuatchitouchedhisnosetoitsheaddiditwalkaway.Igrabbedthedogandlockedhiminsideandcamebackwithmycamera.Itneveroccurredtomethattheyoungwouldbehangingoutontheground,growingandgainingstrengthasitsparentsguardeditfromabove.ThesecondIsawthislittlecreatureIforgavethecrows.Tobehonest,I’veneverbeenmuchofabirdperson.Ialsohaveahealthyrespectforbirds,andbyhealthyImeanslightlyfear-based.They’rebasicallylivingdinosaurs.Iwishthey’dchosenanotherbackyard.ThereareonlysomanysunnydaysinSeattle,andIstillcan’tdoanygardeningoutthere.ButI’malsogratefulthatIgottoseethislittlebitofnatureunfoldupclose.It’sprettyamazing.Theexperiencehasalsoreinforcedmydesiretocreateabeautifulbackyardgardenthatattractslotsofbees,butterflies,andyes,birds.Theyarewelcomehere.1、Thearrivalofthetwocrows________.A．disturbedtheauthor’slifeB．frightenedtheauthor’sdogC．a(chǎn)ngeredtheauthor’sneighborsD．damagedtheauthor’sbackyard2、Whydidtheauthorlockherdogup?A．Shewantedtotakesomephotos.B．Thedogkeptmakingloudnoises.C．Shewantedtoprotectthelittlebird.D．Theparentcrowsweretoattackthedog.3、Afterseeingthelittlecrow,theauthor________.A．decidedtotakeitinB．a(chǎn)ppreciatedknowingitsgrowingprocessC．fellinlovewiththepairofcrowsD．plannedtodrivethecrowsaway4、Bysaying“They’rebasicallylivingdinosaurs”inparagraph5,theauthormeans________.A．birdsarerareB．birdsareveryuglyC．sheisafraidofbirdsD．sheisrespectfultobirds5、Theauthorwritesthetextmainlyto________.A．showanannoyingsituationB．seekadviceondealingwithcrowsC．callonreaderstoprotectbirdsD．shareapersonalexperience24．（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（簡(jiǎn)報(bào)）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．Howtotakeaplane25．（10分）Averagehumanscanconsume15ormoredrinksinplasticbottlesamonth.Ifyouwerebornafter1978,andliveuntil80yearsold,youwillleavebehindaminimumof14,400plasticbottlesonthisplanet.Thesebottlestakehundredsofyearstobreakdownintotinypiecesofplastic,nevertocompletelydisappear.Mostofthewasteisconsumedbyfishandbirds,whichhasshortenedtheirlifetimegreatly.ThePlasticBottleVillageisjustagreatideathatmightfinallysaveusfrombeingburiedinplastic.It’sacommunityinPanamathatisgoingtobemadeofusedbottles.Thedesignprocessbeginswithbuildingsteelframes,whicharethenfilledwiththesebottles.Oncethisstepiscomplete,andelectricalandplumbing(管道裝置)linesareputinside,theplasticwallsarecoveredbyconcrete—bothinsideandoutside.Sonoonewillactuallybeabletotellthatthewallsaremadeofplastic.Besides,thematerialwillkeepthehouse17°Ccoolerthantheoutside,whichisthebiggestbenefittopeoplelivinginside.Thevillageisthebrainchild(主意)ofRobertBezeauwiththeintentionofsettingupseveralenvironmentalprojects.Havingstartedarecyclingprogramfouryearsago,duringwhichanumberofplasticbottleswerecollected,hestartedtothinkofhowtheycouldbeputtouse.Soonenough,hedecidedtousethemtobuildhouses,andcameupwithabasicideafortheconstructionprocess.Theprojecthopestomakepeopleconsciousofthewastethatthesebottlescreatesothattheycandomoretoprotecttheenvironment.Thevillagewillalsocreateaneducationcenterthatwillteachindividualsfromtheworldhowtoreuseplasticbottlesasconstructionmaterialsforshelter.Recycledbottlescouldneutralizethenegativeeffectofyourpassageonthisplanet,andmoveclosertoleavingonlyyour“footprints”.1、WhatdoesParagraph1intendtotellus?A．Thereasonforbuyingfewerdrinks.B．Thedifficultsituationofwildlife.C．Theamountofplasticwaste.D．Theseriousnessofplasticpollution.2、WhatisthebiggestbenefittopeoplelivinginthePlasticBottleVillage?A．Thehousewillbemuchcoolerthannormalones.B．Thematerialofconstructionwillbereducedalot.C．Thenewly-madehousecansavealotofelectricity.D．Thewasteofthehousecanbeconsumedbyfishandbirds.3、WhichofthefollowingwordscanbestdescribeRobert?A．Creative.B．Courageous.C．Enthusiastic.D．Sensitive.4、ThemainpurposeofRobert’sprojectsisto________.A．provideshelterforlocalsB．reusealldesertedplasticbottlesC．popularizetheuseofplasticbottlesD．raisepeople’senvironmentalawareness第三部分語言知識(shí)運(yùn)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(gè)選項(xiàng)中，選出可以填入空白處的最佳選項(xiàng)．26．（30分）InMarch2007,Iwasrecoveringfromanoperationforbreastcancerandgoingthroughaterribletime.Ispentmydaysathome1everythingtomyself.Thenoneofmycolleaguessuggested2,“Whydon'tyoupickacoupleofdaysandgotoIrelandandescape?”I3thetip.Thetripwasfun,butwhenIgotonthe4togohome,Iwasn'tfeelingwell.Myplanwastosleepforthe5journey,buttheguynexttomelookedgood-heartedforaconversation6hehadkindeyes.“Ihadanoperation,”Isaid7.‘‘Ihadbreastcancer.’’Hepausedforamomentandsaid,“What'swrongwiththat?Breastcancerisjustasmall8ofyou,likegoingtocollegeorgettingmarried.”Icouldfeelmyeyes9upwithtears.“Don'tthinktoomuchofyourproblem,”hesaid.“Instead,thinkabouthowmanypeopleyoucouldhelp.”Ihadtearscomingdownmyface,andsaid,“Ican't10I'mcryinginfrontofyou,Idon't11knowyou.”“Look,youhavea12inlife,”hesaid.“Youcaneither13yourthingsdeepinyourpocketsandtakethemtoyourgrave,oryoucanhelpsomeone.”I'vealwaysbeenavery14person,andasidefromthefewpeoplewhoneededtoknow,I'dkeptmyillnesssecret.Ididn'twanttobe15bymyweakness.Butthisman,whosenamewasKenDuane,showedmethatmyillnessgaveme16-becauseitgavemetheabilityto17someoneelse'sload.IdecidedatthatmomentthatIwasgoingtotrytohelpothersbysharingmystory18,inhopesofinspiringthosewhowereinthesameorsimilarsituation.Laterthatyear,Italkedaboutmyillnessandmy19withKenonair.Iamforever20thatInevertookanaponthatflightovertheAtlantic.1、A．devotingB．explainingC．keepingD．storing2、A．seriouslyB．hurriedlyC．kindlyD．confidently3、A．overlookedB．dismissedC．doubtedD．a(chǎn)ccepted4、A．busB．planeC．trainD．ship5、A．wholeB．lastC．exactD．normal6、A．ifB．becauseC．whileD．though7、A．willinglyB．quicklyC．cheerfullyD．weakly8、A．partB．centreC．painD．symbol9、A．comingB．fillingC．takingD．ending10、A．bearB．realizeC．believeD．deny11、A．stillB．a(chǎn)lreadyC．thenD．even12、A．decisionB．choiceC．goalD．belief13、A．clearB．sortC．putD．mix14、A．privateB．outspokenC．clumsyD．polite15、A．defeatedB．blamedC．a(chǎn)ffectedD．defined16、A．surpriseB．strengthC．a(chǎn)dviceD．reference17、A．broadenB．worsenC．lightenD．brighten18、A．publiclyB．officiallyC．clearlyD．sharply19、A．expectationB．explorationC．a(chǎn)ppointmentD．conversation20、A．gratefulB．consciousC．pitifulD．regretful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(gè)適當(dāng)?shù)膯卧~或括號(hào)內(nèi)單詞的正確形式。27．（15分）Weuseflowersasmessengers,tosaysomethingwemighthavetroublesaying1．(direct)ourselves.Overtimeflowershavecometosymbolizethemostpowerfulhumanexperiences:beauty,

love,

hope,

andrebirth.Sweet

flowers

alonecan

say2．onefearsexpressing.

We’velistedsomeofthemostfamous

flowers3．haveaspecialsignificance.InMaoZedong’spoemOde

to

PlumBlossom(《詠梅》),

theplumblossomwasused4．(praise)greatsoldierswhosacrificedtheirlivesforabetterlifeforChinesepeople.5．greatChinesepoetLiBaifromtheTangDynastyoncecomparedYangYuhuan’sbeautifulface

to

bloomingpeonies(牡丹).FloweringinMay,

peonies’largepetalsandstrongcolorsarelinked

to

prosperity(成功)and6．(rich)intraditionalChineseculture.Theorchid(蘭花)iswellknownforitsdelicatesmell.Beautifularticlesandpoems7．(call)“l(fā)anzhang”byChinesepeopleinancienttimes.Roses,

ofcourse,

havethe8．(colorful)meaningamongallthe

flowers.Redroses

mean“Iloveyou.”Aredrose,

ratherthanyellowroses,

9．(act)

as

thetraditionalromanticgiftgiven

to

yourloveonValentine’sDay.Sendingyellowrosescanberisky,

as

theyrepresenteitherfriendship10．envy.第四部分寫作（共兩節(jié)）第一節(jié)短文改錯(cuò)（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(qǐng)你修改你同桌寫的以下作文。文中共有10處錯(cuò)誤，每句中最多有兩處。錯(cuò)誤涉及一個(gè)單詞的增加、刪除或修改。增加：在缺詞處加一個(gè)漏字符號(hào)（∧），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(cuò)的詞下畫一橫線，并在該詞下面寫出修改后的詞。注意：1、每處錯(cuò)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(jì)分。LastSaturday,Mumgavemetwoticketsforafilm、Althoughshewastoobusytogowithme,shetoldmetoselltheextraticketifpossibly、AtthegateofthecinemaImetahandsomeyoungmanwhowasofferedtohavethem,buthehadonlyan100-yuannote、Heaskedmetowaitawhileforhimchangeitinthecinema’sstore、Withoutmuchthinking,Iagreed、HewalkedsofastthatIcouldhardkeepupforhim、Soonhedisappeared、Istoodtherewithoutknowinghowtodo、SuddenlyIrealizedthehandsomeyoungfellowhascheatedme、Hehadsavedmoney,butlosthishonor、第二節(jié)書面表達(dá)（滿分25分）29．（25分）假定你是李華，你的英國(guó)筆友杰克對(duì)中國(guó)傳統(tǒng)文化感興趣，通過電子郵件向你詢問中國(guó)龍(dragon)的情況。請(qǐng)你給他回復(fù)一封郵件，向他作相關(guān)的介紹。要點(diǎn)如下：1.龍?jiān)谥袊?guó)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(jì)入總詞數(shù))；2.可以適當(dāng)增加細(xì)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、A2、A3、C4、C5、B6、B7、A8、C9、D10、A11、A12、A13、C14、A15、D16、D17、C18、D19、B20、C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(gè)選項(xiàng)中，選出最佳選項(xiàng)。21、1、D2、B3、B22、1、D2、D3、A23、1、A2、C3、B4、C5、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（拋棄）thingsthatnolongerservedanyusefulpurposeinspace.Itisestimated（估計(jì)）thattherearenowover500,000piecesofman-madetrashorbitingtheEarthatspeedsofupto17,500milesperhour.Thejunkvariesfromtinypiecesofpaintchippedoffrocketstocameras,hugefueltanks,andevenodditemslikethemillion-dollartoolkitthatastronautHeidemarieStefanyshynPiperlo