广东省七校联合体2025届高三第二次诊断性检测英语试卷含解析_第1页
广东省七校联合体2025届高三第二次诊断性检测英语试卷含解析_第2页
广东省七校联合体2025届高三第二次诊断性检测英语试卷含解析_第3页
广东省七校联合体2025届高三第二次诊断性检测英语试卷含解析_第4页
广东省七校联合体2025届高三第二次诊断性检测英语试卷含解析_第5页
已阅读5页,还剩9页未读 继续免费阅读

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

广东省七校联合体2025届高三第二次诊断性检测英语试卷注意事项:1.答题前,考生先将自己的姓名、准考证号码填写清楚,将条形码准确粘贴在条形码区域内。2.答题时请按要求用笔。3.请按照题号顺序在答题卡各题目的答题区域内作答,超出答题区域书写的答案无效;在草稿纸、试卷上答题无效。4.作图可先使用铅笔画出,确定后必须用黑色字迹的签字笔描黑。5.保持卡面清洁,不要折暴、不要弄破、弄皱,不准使用涂改液、修正带、刮纸刀。第一部分(共20小题,每小题1.5分,满分30分)1.youcanlearntoappreciatethechallengesinlife,youwillfindinnerstrength.A.WhenB.WhileC.BeforeD.Unless2.Whenwas_____youlastmetJennifer?Ihaven’tseenherforages.A.itthat B.it C.itwhat D.what3.IadmiremyEnglishteacher.Icanrememberveryfewoccasions_____shestoppedworkingbecauseofillhealth.A.that B.whenC.where D.which4.______suchaproblembefore,wehandledthesituationverywellthistime.A.Dealwith B.DealingwithC.Todealwith D.Havingdealtwith5.Whenonholidays,therailwaysputontrainstomakepeople’stravelmoreconvenient.A.regularB.specialC.particularD.unusual6.Theboythefirstprize,buthewassocarelessastomakeafoolishmistake.A.musthavegained B.needhavegainedC.couldhavegained D.shallhavegained7.Theaimofthegovernmentistomakeeverycitizenbetteroff,____,tohelpthemliveahappylife.A.asaresult B.forastartC.foronething D.inotherwords8.一Didyouforgetyourpromise,dear?一Ihavefinishedmyhomeworkontime,mom.A.Excuseme. B.Surely.C.Whynot? D.HowcouldI?9.—Didyouenjoytheparty?—Yes.We___________wellbyourhosts.A.weretreated B.wouldbetreatedC.treated D.hadtreated10.Lisawouldn’t________thejobanymore.Shehadabigargumentwithherbossandresigned.A.comeupwith B.keepupwithC.makeupwith D.putupwith11.–MyTVsetdoesn’twork,thewatertapisdrippingandmycarisstillunderrepair!–Yousure________badluckthesedays.A.had B.willhave C.hadhad D.arehaving12.Ifyouweretohaveafewminutesfree,I______theopportunitytoaskyouonemorequestion.A.wouldappreciate B.wouldhaveappreciatedC.weretoappreciate D.hadappreciated13.—IhavesomethingimportanttotellJohn.ButIcan’tfindhim.—Hiscellphoneishere,sohe________havegonetoofar.A.mustn’t B.needn’tC.wouldn’t D.can’t14.Howlongdoyousupposeitis________________hearrivedandbegantoworkthere?A.when B.beforeC.after D.since15.---Mum,canyoutellmewhysomeparentssendtheirchildrentostudyabroadataveryyoungage?---__________,darling.Ihaveneverthoughtaboutit.A.YouhavegotmethereB.TakeyourtimeC.YoubetD.Don’tbesilly16.Iknowhefeelsupsetabouthisfailure,andIcan_____that.A.relateto B.livewithC.answerfor D.pullthrough17.-Whatiftherainstormcontinues?-Comeonguys!Wehavetomeetthe_______whatevertheweather.A.standard B.demandC.deadline D.satisfaction18.Housepricesareusuallymuchhigher________therearesubwaystationsaround.A.where B.unless C.while D.though19.Sallylikesgoingtoschool______shehasgotmanygoodfriendsthere.A.or B.because C.unless D.so20.Thankstothe“sugartax”,foodfactorieshavereducedsugarintheirproducts,________about45millionkilogramsofsugar.A.tosaveB.savedC.savingD.havingsaved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)DavidReesrunsatrulydistinctivebusiness.Hechargescustomers$15tosharpentheirpencilstoperfections,usingavarietyoftools.Iknowwhatyou'rethinking—isthisajoke?The39-year-oldgetsaskedthatquestionalot.Toclarifyeverything,heevencreatedaspecialsectiononhiswebsitetellingeveryonehe'sactuallyprovidingarealservice.YoucansupplyyourownpenciloryoucanhaveReessharpenoneofhisownfavorite2Bpencils.Afterthat,hemailsittoyouinadisplaytubewiththeshavingsinaseparatebag,andanauthenticcertificatewhichjusthappenstomentionthepencilissosharpastobeadangerousobject.Toachievethedesiredresult,themastersharpenerusesallkindsoftools,includinggeneralsandpapers,pocketknivesandevenaspecial$450sharpeningmachine."Itdependsonwhatthecustomerwantstousehis/herpencilfor,"hesays."Thatdeterminesthemostappropriatepencil-sharpeningtechnique.Somecustomersbuypencilsasinspirationalsymbolswhileothersbuythembecauseoftheirspecialmemoriesofclassic2Bpencils.$15tohaveapencilsharpenedisabitexpensivethough,right?You'renottheonlyonewhofeelsthatway,andDavid'suniquebusinesshasreallyangeredlotsofpeople,whotalkofinequalityinAmerica,sayingitissoinsaneforthewealthytopay$15tosharpenapencil.Butotherswillsay,"Thisisjustoururgetoputanendtothewelfarestatebecausenewideasarisealongwiththebusiness."Davidadmitshistradeissortofunusual.Buttherearethosewhoactuallyvaluehisservice,asprovenbytheover500ordershehasgotten.1、HowcouldDavidmakemoneybysharpeningpencils?A.Heinventednewtoolsforthejob.B.Hepromotedhisskillonhiswebsite.C.Hesavedlotsoftimeforotherpeople.D.Heprovidedqualityservicetohiscustomers.2、Fromhiswords,wecaninferthatDavidBees.A.knowsallkindsofpencilusers B.providespersonalizedservicesC.valuesideasbehindthepencils D.alwayswritewithpencils3、Whatdoestheunderlinedword"insane"(inParagraph5)mean?A.Deliberate. B.Rewarding.C.Unreasonable. D.Irresponsible.4、Whatseemstobetheauthor'sattitudetoDavidBees'trade?A.It'safancyservice. B.Ithasagoodreputation.C.It'sawfullyexpensive. D.Itwastestimeandmoney.22.(8分)Supermarketshelvesarefilledwithplant-basedalternativestocowmilk,includingsoy,nut,andcoconutmilk.Theseproductsarepopularwithconsumerswhocannotdrinkcows’milkforhealthreasons,aswellaswiththoseconcernedaboutanimalwelfareandenvironmentalsustainability.Whilethedairy-free(非乳制的)optionsworkwellwithcerealorincoffee,theyfailmiserablywhenitcomestomakingmilk-basedproductslikecheeseoryogurt.However,theseshortcomingsmaysoonbeathingofthepast,thankstoanewcompanyinCalifornia,whichhasfiguredouthowtocreateanimal-freemilkinalaboratory!PerumalGandhiandRyanPandyafoundedthecompanyin2014afterbecomingincreasinglyannoyedwiththelackofcows’milk-freealternatives,particularlyforcheese.ForGandhi,whostoppedconsuminganimalproductsfiveyearsearlierduetoenvironmentalandanimalwelfareconcerns,themotivationtocreateabetteralternativestemmedfromhisloveofcheesypizza.Pandyawasspurredintotakingactionafterbeingforcedtoeatsome“reallybad”dairy-freecreamcheeseonhissandwichThetwoMITbiomedicalengineeringscientistsdecidedtojoinforcestocreateamorerealisticalternativetodairy-basedproducts.Intheiruniversitylab,thepairspentninemonthsfirstisolatingcowDNAtheninsertingitintoyeast(酵母).Thisgeneticmodificationenabledtheyeasttoproducethenecessarymilkproteins.Thefinalstepoftheprocessinvolvedmixingtheproteinswithsomeplantnutrientsandfats.Thedairy-freemilknotonlytastesliketherealthingbutisalsohealthier,hasalongershelflifeand,mostimportantofall,isEarthfriendly.Accordingtothecompany’swebsite,whencomparedtoconventionalmilkproduction,theirprocessuses65%lessenergy,creates84%olessgreenhousegasemissionsandrequires91%lesslandandanamazing98%lesswater!Bestofall,sinceitcontainsrealmilkproteins,theproductbehaveslikethecow-producedversion,whichmeansvegetarianconsumerswillnolongerhavetodealwithsoggycheeseontheirsandwichesandpizzas.Thecompanyplanstobringtheircreationtomarketlaterthisyearandtheirfirstproductwillmostlikelybecheesesincetherearealreadynumerousgoodcows’milkalternativesavailabletoconsumers.1、Theunderlinedword"those"inparagraph1refersto_______.A.alternativesB.peopleC.productsD.reasons2、Thecompanysfoundersweremotivatedtomakethenewproductbecauseof_______.A.theirdeepconcernfortheenvironmentB.theirworrythatfarmanimalswerepoorlytreatedC.theover-consumptionofthedairy-basedproductsD.thepoortasteofdairy-freecheesepresentlyavailable3、Whatcanbeinferredfromparagraph4?A.Thedairy-freeproductscannotbestoredforalongtime.B.Thenewproductswilltastebetterthandairy-basedones.C.Cowfarmingcausesconsiderableenvironmentaldamage.D.Thedairy-freemilkwillbemoreexpensivethancow’smilk.4、Whichofthefollowingcanbethebesttitleforthetext?A.HealthierCheeseB.NewMilkSavesPlanetC.FresherMilk,BetterFutureD.MakingMilkwithoutCows23.(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)Mostofushavebeeninthissituation:You'reonyourwaytoyourfriend'shouse,thenyousuddenlyaskyourself,"DidIremembertoturnthelightsoff?”Forthosewith"smarthomes",however,thiswouldn’tbeaproblem.Overthelastfewyears,smarthometechnologyhasbecomemorepopular.Thankstouser-friendlyproductslikeintelligentlightingandheatingcontrollers,peoplecancontrolnearlyeveryelectricalitemintheirhomesfromanywhereintheworld.Whilesmarthomesaren'tnew,companieslikePhilips,AmazonandXiaomihavefinallybroughtautomationtoeverydaypeoplewithaffordableproductslikeartificialintelligence(AI)speakersandsensors.“Theobviousmessageisthatyoucanstopwastingenergy,”TomKerber,directorofresearchforU.S-baseddigitalcompanyParksAssociates,toldTheGuardian.Andthetechnologyalsohasmoremeaningfuluses.InNorway,forexample,onecompanyisusingsmarttechtomakelifeeasierforitselderlycustomers.Abilia'ssystemallowscarerstocheckuponpatientsthroughatabletonawallinsidetheirhome.Thedevicesendspatientsremindersabouttasks,suchaswhentheyneedtotakemedication(冥想).Itcaneventellcarersifthere'sanyunusualactivityinthehomethatcouldbelife-threatening.“Thiskindofsystemallowspeopletotakecareofthemselves,whichisthemostimportantthing,”Abilia'svicepresident,OysteinJohnsen,toldtheBBC."Italsosavesthegovernmentmoney.InNorway,itcosts1millionkroner(about0.8millionyuan)peryeartohavesomeoneinacarehome.Thissystemcosts15,000kronerayear.”So,forthosewhohavealready"gonesmart",williteverbepossibletogobacktodothingsintheold-fashionedway?"Ithinkitwouldbedifficult.Whenwegotoafriend’shouseoronvacationwefindourselvesexpectingthehousetodothingsforusthatweshoulddo,"Poulson,35,aseniorprogrammanagerfromSeattle.,U.S.,explained.1、Whatarethefirstandsecondparagraphsusedfor?A.Introducingthetopic.B.Describingthesituation.C.Advertisingsmarthomes.D.Puttingforwardtheauthor'sopinion.2、WhatdoPhilips,AmazonandXiaomihaveincommon?A.Theyarealldesigningsmarthomes.B.TheyareallU.S-baseddigitalcompany.C.They'vealladvancedinsmarttechnology.D.They'veallreceivedaffordableproductsautomatically.3、WhatdoesAbilia'ssystemallowuserstodoinNorway?A.Totakecareofthemselves.B.Tobuyuser-friendlyproducts.C.Tocontrolheatingandcooling.D.Toswitchlightsthroughatablet.4、what'sPoulson'sattitudetosmarttechnology?A.Cautious.B.FavorableC.Ambiguous.D.Disapproving.25.(10分)Campingwildisawonderfulwaytoexperiencethenaturalworldand,atitsbest,itmakeslittleenvironmentalinfluence.Butwithincreasingnumbersofpeoplewantingtoescapeintothewilderness,itisbecomingmoreandmoreimportanttocampunobtrusively(不引人注目地)andleavenomark.Wildcampingisnotpermittedinmanyplaces,particularlyincrowdedlow-landBritain.Whereveryouare,findoutaboutorganizationsresponsibleformanagingwildspaces,andcontactthemtofindouttheirpolicyoncampingandshelterbuilding.Forexample,itisfinetocampwildinremotepartsofScotland,butinEnglandyoumustaskthelandowner'spermission,exceptinnationalparks.Campingisabouthavingrelaxation,sleepingoutdoors,experiencingbadweather,andmakingdowithoutmodernconveniences.Abusy,fully-equippedcampsite(野营地)seemstogoagainstthis,soseekoutsmaller,moreremoteplaceswitheasyaccesstoopenspacesandperhapsbeaches.Betterstill,findacampsitewithnoroadaccess;walkinginmakesarealadventure.Findingtherightspottocampisthefirststeptoguaranteeingagoodnight'ssleep.Chooseacampsitewithprivacyandminimuminfluenceonothersandtheenvironment.Trytouseanareawherepeoplehaveobviouslycampedbeforeratherthancreatinganewspot.Whencampinginwoodland,avoidstandingdeadtrees,whichmayfallonawindynight.Avoidanimalrunsandcaves,andpossiblehomesofbitinginsects.Makesureyouhavemostprotectiononthewindwardside.Ifyoumakeafire,dosodownwindofyourshelter.Alwaysconsiderwhatinfluenceyoumighthaveonthenaturalworld.Avoiddamagingplants.Agoodcampsiteisfound,notmade—changingitshouldbeunnecessary.1、Youneedn'taskforpermissionwhencampingin________.A.nationalparksinEnglandB.mostpartsofScotlandC.crowdedlow-landBritainD.mostpartsofEngland2、Theauthorthinksthatagoodcampsiteisone________.A.witheasyaccessB.usedpreviouslyC.withmodernconveniencesD.farawayfrombeaches3、Thepassageismainlyabout________.A.theprotectionofcampsitesB.theimportanceofwildcampingC.thehumaninfluenceoncampsitesD.thedosanddon'tsofwildcamping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)完形填空(共15小题;每小题2分,满分30分)阅读下面短文,掌握其大意,然后从下列各题所给的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑。AnEnglishpadre(神父)wantedtobecomeamemberofacertainclubinAfrica.Inordertobecomeamember,eachpersonhadto1atleastonelion.Thepadrehadnevershotananimalforhislife.So,armedwitharifleandledbyayoungAfricanboy,thepadresetoutoneeveningforapoolinthejunglewherehewastoldalioncameeacheveningto2.Hewaitedpatientlyforafew3untilshortlybeforemidnightwhenheheardarustling(沙沙声)noise.Sureenoughafewfeetawaytheheadofthelionappearedaboveabushthatseparatedthepadreandthepool.Heaimedandfired.Theheadofthelion4fellbehindthebushbutamomentlater5.Sothepadreaimedand6again.Theheadofthelionfellbehindthebushandoncemorereappeared.Thepadrefiredagain:thesame7.Heremainedcalmbecausehe8hehadbroughtsixteenbulletswithhim.Afterhisfourthtry,hisaimseemedtobecomemoreandmore9:infact,afterhis10trytheAfricanboyhadto11him:“Thisisyourlastchance.Ifyou12thistime,weareintrouble.”Thepadrethenrealizedhow13thesituationwas,sohetookadeepbreath,aimedverycarefullyandfired.Theywaitedforamoment,andthenslowly14uptotwenty:theheadoftheliondidnotreappear.Thepadrewascertainthatatlasthehadshothislion.They15forwardtogethertothespotbehindthebush.Andwhatdoyouthinktheyfound?Sixteenlions!1.A.shoot B.kill C.catch D.hurt2.A.eat B.walk C.drink D.hunt3.A.minutes B.seconds C.days D.hours4.A.fast B.immediately C.once D.directly5.A.turned B.reappeared C.returned D.moved6.A.killed B.jumped C.fired D.tied7.A.result B.situation C.answer D.problem8.A.acknowledged B.understood C.believed D.knew9.A.inaccurate B.unnecessary C.impossible D.indirect10A.last B.fifteenth C.sixteenth D.many11.A.tell B.frighten C.warn D.remain12.A.fell B.shot C.fired D.missed13.A.difficult B.serious C.exciting D.mad14.A.counted B.waited C.added D.named15.A.drove B.rushed C.wandered D.climbed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)Itisagreat1.(true)thatlifeisdifficult.Oncewereallyunderstandandacceptit,thenlifeisnolongerdifficult.2.,mostofusdonotfullyseeit.Theyjustcomplainabouttheirproblemsanddifficultiesasiflifeshouldbeeasy.3.makeslifedifficultisthattheprocessoffacingandsolvingproblemsisareallypainfulone.Problems,4.(base)ontheirnature,causesadnessorregretorangerorfear.Theseare5.(comfort)feelings,oftenaspainfulasanykindofphysicalpain.Itisinthewholeprocessofsolvingproblems6.lifehasitsmeaning.Problemsaretheserioustestthattellsussuccessfromfailure.Whenwewanttostrengthenthegrowthofhumanspirit,weencouragethehumanability7.(solve)problems,justasinschoolwesetproblemsforourchildrentodealwith.8.(learn)fromthepainofmeetingandworkingoutproblemsis9.greatbenefit.AsBenjaminFranklinsaid,“Thosethingsthathurt,instruct.”Forthisreason,wisepeoplelearnnottofearbuttowelcome10.painofproblems.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。

ItookatriptoChinaafewmonthsbefore.Itwasawonderfulexperiencewhereisbeyonddescription.WespentthreeweeksvisitingBeijing,Shanghaiandseveralothertouristattraction.ThecloserweapproachedthecentreofChina,themuchIlikedit.ThenwewenttoHongKonglastweek,whichIthinkisdifferentwithBeijing.ItisnoisiestplaceIhaveeverseen.Andanotherthingthatgivemeadeepimpressionwasthepeoplethere—theyweresomuchfriendly.Anyway,thetripitselfwasinterested.Ican’twaittoflyingtoChinaagain、第二节书面表达(满分25分)29.(25分)假定你是李华。你曾写信给你以前的英语老师MissKane,请教提高英语阅读能力的方法。她四月三号给你回信,建议你多阅读。现请你给她回信,表示同意她的建议,并决定立即认真读书。注意:1.词数100个左右;2.可适当增加细节,以使行文连贯;3.信的开头和结尾已给出,但不计入总词量。DearMissKane,_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yours,LiHua

参考答案第一部分(共20小题,每小题1.5分,满分30分)1、A2、A3、B4、D5、B6、C7、D8、D9、A10、D11、D12、A13、D14、D15、A16、A17、C18、A19、B20、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、D2、B3、C4、A22、1、B2、D3、C4、D23、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-madetrashorbitingtheEarthatspeedsofupto17,500m

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论