2022届广东省深圳南头中学高三二诊模拟考试英语试卷含答案_第1页
2022届广东省深圳南头中学高三二诊模拟考试英语试卷含答案_第2页
2022届广东省深圳南头中学高三二诊模拟考试英语试卷含答案_第3页
2022届广东省深圳南头中学高三二诊模拟考试英语试卷含答案_第4页
2022届广东省深圳南头中学高三二诊模拟考试英语试卷含答案_第5页
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2021-2022高考英语模拟试卷注意事项: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.Wecametothestation________alltheway,only________thetrainhadjustleft.A.running,told B.torun,tellingC.torun,tobetold D.running,tobetold2.Anyinformationoftheoraltestpaperareregardedasstrictly______beforeitisopen.A.conventional B.analyticalC.controversial D.confidential3.Youdidn’tletmedrive.Ifwe________byturns,you________sotired.A.drove;didn’tget B.drove;wouldn’tgetC.weredriving;wouldn’tget D.haddriven;wouldn’thavegot4.Oneofthetruetestsofleadershipistheabilitytorecognizeaproblem________itbecomesanemergency.A.when B.beforeC.after D.unless5.Moreoftenthannot,theenterprisearoundusaregettingevenricher,________recipeisdon’tputallyoureggsinonebasket.A.ofwhich B.whichC.whose D.ofwhom6.Wepackedallthebooksinthewoodenboxes_______theywouldn’tgetdamaged.A.aslongasB.asifC.incaseD.sothat7.Facetheproblembravelyandyou______anewwaytosuccess.A.findB.foundC.willfindD.havefound8.Bobwastryingto________thatheknewthefamoussingerwhowouldperforminourcity.A.letout B.layoutC.figureout D.makeout9.HaveyoureadthebookLifeandDeathAreWearingMeOutbyMoYan,_____thatwonhimthe2012NobelPrizeinLiterature?A.theone B.one C.those D.ones10.8studentsand2teachersatSantaFeHighSchoolbya17-year-studentarmedwithashotgunandapistol.Thisisoneofthemanygun-relatedtragediesthathavehappenedinthelast2years.A.killedB.werekilledC.havekilledD.havebeenkilled11.Thisrestauranthasaninviting,homelikeatmosphere______manyothersareshortof.A.where B.whenC.that D.what12.Ellenisafantasticdancer.IwishI________aswellasher.A.dance B.willdanceC.haddanced D.danced13.Thegeneralsecretarystressedthatwhathehadjustsaidwasonlyhis_________view,notofficialintentions.A.private B.separate C.personal D.single14.Ifithadnotbeenfortheheroes’contributionsandsacrifices,we_____suchahappylife.A.wouldn’thaveled B.wouldn’tbeleadingC.haven’tled D.arenotleading15.I'msorryyou______solong,butit'llstillbesometimebeforeJimgetsback.A.wait B.waited C.hadwaited D.havebeenwaiting16.AlthoughMailerwasnotaloneinwelcomingthefloweringofcreativity,theauthoritieshatedit,______didmanypassengers.A.which B.as C.that D.so17.Notuntil_________________thebetterqualitiesinourselves____________expecttofindtheminothers.A.havewedeveloped;canweB.wehavedeveloped;thatcanweC.wehavedeveloped;canweD.canwedevelop;thatwewill18.Rightnow,lotsofpeoplesearchforproductsontheInternetbutstillbuythematstores.Internetshoppingwillreally____whenpeoplearesurethatitissafe.A.setup B.setoff C.takeoff D.takeup19.---Ihearyou’llcancelallyourplansandappointments.Why?---They_____mylife.Ijustcan’tstop.A.control B.controlledC.havecontrolled D.havebeencontrolling20.Frankly,Istillfeelconfusedabout_________hecouldmanagewithoutaccesstotheInternetforsuchalongtime.A.what B.why C.that D.how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)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.Howtotakeaplane22.(8分)I’mlearningtodriveinSwitzerland.IthinkitwillbeagoodideatolearnnowbecauseIhaveplentyoffreetimeandamearningalittlemoneytopayforlessons.IneverlearntwhenIlivedintheUK,soluckilydrivingonthe“wrong”sideisn’taproblem.However,therearealotofrulestoremember.Whenyouseearoadtoyourrightandtherearenowhitelinesontheground,thecarstoyourrighthavetherighttogobeforeyourcarandyouhavetostopforthem.Inpractice,lotsofpeopleforgetthisandcarseitherwaitforeachotherwhilebothdriverstrytorememberwhattodo,orbeep(鸣喇叭)ateachotherifbothtrytogoatthesametime!Whenyoudriveroundaroundabout,youshouldcheckallyourmirrors.Torememberhowtodothis,Ioftencountthemaloud—one,two,three—thenasecondglanceatyourblindspotwhenyou’reintheroundabout.OnefriendcamedrivingwithmeandafteraboutanhouraskedwhyonearthIwascounting.Hehadpassedhistestsolongago,hecouldn’tremembereverhavingtocheckthreemirrors!DrivingstillseemsscarytomesoIdrivequiteslowly.Ialsodon’tknowthecountrysideroadsverywellanddon’tknowwhat’scominguproundthecomeroroverthenexthill.IdriveslowlysoIfeelsafe,butmydrivinginstructortellsmetospeeduporcarswillbumpintomefrombehindortrytoovertakesomewheredangerous.Sodrivingslowlyisjustasdangerousasdrivingfast!I’mnotaverypracticalpersonsolearningtodrivehasbeenachallenge.Idon’thavealotofconfidenceandfinditquitedemotivatingtodosomethingthatdoesn’tcomenaturallytome.Tomakedrivingmorefunandinteresting,IlearninSwissGerman,somyinstructorgivesmeinstructionsinSwiss.ThiswayI’vetrickedmyselfintoenjoyingdrivingandhopefullywillpassthetest!1、Whatcanbeinferredfromthefirstparagraph?A.Itisn’tapropertimefortheauthortotakedrivinglessonsnow.B.Drivingonthe“wrongside”doesn’tinfluencetheauthor..C.TheauthorwastoopoortopayfordrivinglessonsinSwitzerland.D.ItiseasyfortheauthortogetconfusedaboutthedrivingrulesinSwitzerland.2、Theauthoroftencounts“one,two,three”aloudwhendrivingroundaroundaboutto________.A.remindhimselftocheckthemirrorsB.speedupC.overtakesomewheredangerousD.makedrivingmoreinteresting3、Whatdoestheunderlinedword“demotivating”inParagraph5mean?A.Encouraging.B.Amazing.C.Exciting.D.Discouraging.4、Whatisthetextmainlyabout?A.Drivingspeed.B.Strictdrivinginstructors.C.Anecdotesofmydrivingexperience.D.ComplicateddrivingrulesinSwitzerland.23.(8分)WhenIbeganplanningtomovetoAucklandtostudy,mymotherwasalittleworriedabouttheuncertaintyoflivinginaplacethatwassodifferentfromIndia,wherewelived.Sheworriedparticularlyaboutthelackofjobs,theculturaldifferencesandthechancethatIwouldfaceracism.Despitetheseworries,cametoNewZealandinJuly2014.Ihavefoundtheplaceandpeopleveryniceandsupportive.SoonafterIarrived,realizedtheimportanceofgettingajobtosupplymylivingexpenses.Determinedtodothisonmyown,Ispentawholedaygoingfromdoortodooraskingforajob.However,Ireceivedlittleornoresponse.Thisbecamemyroutineeverydayaftercollegeforafewweeks.Oneafternoon,Iwalkedintoabuildingtoaskiftherewereanyjobopportunities.Thepeopletherewereverysurprised,andadvisedmenottocontinuemyjobsearchinthatmanner.AsIwasabouttoleave,aclerkinthebuilding,whohadbeenlisteningtowhattheothershadsaid,approachedmeandaskedifIwouldwaitoutside.Fifteenminuteslater,hereturned.Heaskedmewhatmyplanswereandencouragedmetostayconfident.HethenofferedtotakemetotheRoyalOakareatosearchforajob.Iwasalittlesurprised,buthadagoodfeelingabouthim,soIwentalong.Alongtheway,IrealizedthatIhadrunoutofcopiesofmyresume(简历).Themanstoppedathisbusinesspartner’sofficetomakeme15extracopies.Healsogavemetipsondressingandspeaking,andaddedthatIshouldgivehimacallifIeverneededanything.Ihandedoutmyresumesandwenthomefeelingverysatisfied.Thefollowingday,IreceivedacallfromastoreinRoyalOakofferingmeajob.Itseemsthattheworldalwaysgivesbacktoyouwhenyouneedit.Andthistime,itwasacompletestrangerwhoturnedouttobearealblessing.1、Whatwasn’ttheauthor’smotherworriedabout?A.Peoplemightlookdownontheauthor.B.Theauthorcouldn’tspeakthelocallanguage.C.Theauthorwasn’tfamiliarwithlocalcustoms.D.Itmightbedifficultfortheauthortofindajob.2、AfterstayinginNewZealandforashorttime,theauthor.A.decidedtogobacktohisowncountryB.feltthelocalpeoplewerenotveryfriendlyC.hadtofindajobtocoverhislivingexpensesD.wantedtogetajobthatneededpracticalskills3、Whentheauthorwentintoabuildingtolookforajob,.A.aclerkgavehimencouragementandadviceB.hewasconfidentthathewouldfindagoodoneC.hefoundmanycollegestudentslikehimalreadythereD.aclerkrecommendedhimtothecompanyheworkedfor4、Whatisthestorymainlyabout?A.Howastrangerofferedtheauthorajob.B.Howastrangerturnedouttobearealblessing.C.Howtheauthoradaptedhimselftoanewsituation.D.Howtheauthorwashelpedtogetajobbyastranger.24.(8分)ItwasacoldnightinWashington,D.C.,andIwasheadingbacktothehotelwhenamanapproachedme.heaskedifIwouldgivehimsomemoneysohecouldgetsomethingtoeat.I’dreadthesignsinthehotel:“Don’tgivemoneytobeggars.”SoIshookmyheadandkeptwalking.Theincidentbotheredmefortherestoftheweek.Ihadmoneyinmypocketanditwouldn'thavekilledmetohandoveradollarortwoevenifhehadbeenlying.Backhome,IstartedtowritemyweeklygardencolumnforTheAnchorageDailyNews.Allofasudden,IthoughtofBean’sCafé,thesoupkitcheninAnchorage,whichfeedshundredsofhungryAlaskanseveryday.whynottrytogetallmyreaderstoplantarowofvegetablesintheirgardensanddonatethemtoBean’sCafe?InApril1995,theGardenWritersAssociationofAmericaheldtheirannualmeetinginAnchorageandafterlearningofAnchorage’sprogram,

PlantaRowforBean's

became

PlantaRowForTheHungry.TheoriginalideawastohaveeverymemberoftheGardenWritersAssociationofAmericawriteortalkabout

plantingarowforthehungrysometimeduringthemonthofApril.GardeneditorJoanJackson,backedbyTheSanJoseMercuryNewsandCalifornia’snearlyyear-roundgrowingseason,raisedmorethan30,000poundsoffruitsandvegetablesthefirstyear,andshowedhowtheprogramcouldreallywork.Todayprogramcontinuestoboomandgrow.1、Whydidn’tthewritergivemoneytotheman?A.BecausehewasafraidthatthemanwasaliarB.BecausehehadnomoneyonhimatthattimeC.BecausehewasinahurrytogetbacktohishotelD.Becausehedidn’tknowthatman2、Whatinspiredthewritertothinkoftheprogramtohelpthepoor?A.AbeggarB.AhotelC.theGardenWritersAssociationD.Bean’sCafé3、HowdoestheauthorfeelabouttheeffectofthePlanaRowprogram?A.It’sdiscouragingB.It’ssatisfyingC.It’sdoubtfulD.It’schallenging4、Whichmightbethebesttitleofthepassage?A.EverybodyCanMakeaBigDifferencetotheWorldB.ACampaigntoRemovePovertyC.PlantaRowfortheHungryD.HowtoHelpPeopleinNeed25.(10分)Americanwomenwhoworkascomputerprogrammers,chefsanddentistsearn28percentlessthanmendoingthesamejobs.Thosearethejobswiththebiggestwagedifferencesbetweenmenandwomen,accordingtoanewstudy.Overall,thestudyfoundthatwomenearn5.4percentlessthanmenfordoingthesamejob,inthesamelocationandforthesameemployer.ThewagedifferencesbetweenwomenandmenweresimilarintheUnitedKingdom,Australia,GermanyandFrance.5.4percentisabigdifferenceinpaybetweenmenandwomenbecauseitcannotbeexplainedbywomenandmentakingthesamekindsofjobs.Itcanonlybeexplainedbybias(倔见)againstwomen,orothercauses,suchaswomennotbeinggoodataskingforpay.Researchsuggeststhatwomendonotnegotiate(交涉)aswellasmenwhenitcomestopay.Andwomenaregenerallymoreuncomfortableaskingfellowemployeeshowmuchtheymake,sotheycanseeiftheyarebeingpaidfairly.Accordingtothestudy,womenearnedatleast15percentlessthanmeninthesejobcategories:psychologists,pharmacists,physicians,opticians,pilotsandgameartists.Butinthefieldsofsocialwork,sellingmerchandise,researchassistantsandphysicianadvisors,womenearnmorethanmen.Insocialwork,womenearned7.8percentmorethanmen,thereportsaid.Thatwasthejobcategorywiththebiggestadvantageforwomen.Itwasstillfarlessthanthe28percentpayadvantageformeninsomefields.Comparingsalariesforfull-timeworkers,womenearnonly79percentasmuchasmen.Overalifetime,thatmuchofadifferenceinpaycanamounttoalargeamountofmoney.Womenonlyearned57percentasmuchasmenin1975.Itisnowupt079percent.Thatisprogress,thereportsays,butnotenough.1、Whichofthefollowinghasthebiggestpaydifferencesbetweenwomenandmen?A.Apilot.B.Agameartist.C.Aresearchassistant.D.Acomputerprogrammer.2、Whydowomenearnlessthanmenwhendoingthesamejob?A.Theydon’ttrytheirbesttofightforbetterpay.B.Theycarelessabouttheirpaythanmen.C.Bossesusuallylooksdownuponwomen.D.Theydon-tworkaseffectivelyasmen.3、Howmuchincomedofull-timewomenworkerslosecomparedwithmen?A.5.4%.B.7.8%.C.21%.D.28%.4、Whatdoesthereportthinkofthewomen'spay?A.Itisgrowingratherquickly.B.Itisrisingbutnotsatisfying.C.Itisnotfairforwomenworkers.D.Itisreasonableforpresentsituation.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)Ihaveforgottenthenameoftheoldlady,whowasacustomeronmynewspaperroute.Yetit1inmymemorythatshetaughtmealessonin2thatIshallneverforget.Onawinterafternoon,afriendandIwere3stonesontotheroofoftheoldlady'shousenearhergarden.The4wastoobservehowthestoneschangedtomissilesasthey5totheroof’sedgeandfellintotheyardlikecomets(彗星)fallingfromthe6Ifoundmyselfaperfectlysmoothrockandthrewit.Thestonewastoo7,however,soitslippedfrommyhandasIletitgoandheadedstraightforasmall8Atthesoundofbrokenglass,weknewwewerein9Weranfasterthananyofourstonesflewoffherroof.Iwastoo10aboutgettingcaughtthatfirstnighttobe11abouttheoldladywiththebrokenwindowinwinter.12,afewdayslater,whenIwassurethatIhadn'tbeendiscovered,Istartedtofeel13forhertrouble.ShestillgreetedmewithasmileeachdaywhenIgaveherthenewspaper,butIwasnolongerabletoact14whenseeingher.IdecidedthatIwouldsavemypaperdeliverymoney,andinthreeweeksIhadthesevendollarsthatIthoughtwould15thecostofherwindowandsentittoherinanenvelope.Thenextday,I16theoldladyherpaper.Shethankedmeforthepaperandgavemeabagofbiscuitsshehadmadeherself.Ithankedherandatethebiscuits17Icontinuedmyroute.Afterseveralcookies,Ifeltanenvelopeandpulleditoutofthe18.WhenIopenedtheenvelope,Iwas19Insidewerethesevendollarsandashortnotethat20,“I'mproudofyou.”1、A.fails B.fades C.impresses D.remains2、A.forgiveness B.value C.honesty D.gratefulness3、A.collecting B.putting C.throwing D.placing4、A.subject B.theme C.topic D.object5、A.shot B.rolled C.got D.dropped6、A.earth B.ocean C.sky D.universe7、A.smooth B.square C.heavy D.beautiful8、A.ceiling B.door C.chimney D.window9、A.danger B.trouble C.surprise D.comfort10、A.scared B.excited C.disappointed D.confused11、A.frightened B.depressed C.puzzled D.concerned12、A.However B.Therefore C.Besides D.Furthermore13、A.honored B.guilty C.pleased D.pressed14、A.proud B.active C.comfortable D.energetic15、A.include B.increase C.cover D.mend16、A.handed B.turned C.passed D.sent17、A.because B.where C.since D.as18、A.paper B.pocket C.bag D.wallet19、A.annoyed B.surprised C.amused D.delighted20、A.attached B.said C.told D.wrote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)Twoself-drivingbuseshaverolledoutontothepublicroadsofHelsinki,Finland,inthefirsttrials1.itskind.TheEasymileelectricmini-buses,abletocarryupto12people,willrunontheopenroadsofHelsinki'sHernesaaridistrict.“2.isnomorethanahandfulofthesekindsofstreettraffictrialstakingplace.”HarriSantamala,testprojectleadsaid.Finland3.(become)atopleadermautomatedtechnologydevelopmentandtestingrecentlybecause,unlikemostoftherestoftheworld,Finnishlawdoesnotrequirevehiclesonpublicroadstohaveadriver.Obstacles4.(meet)inmanyotherfirmsandresearchgroupsthatlookedtotestautonomousvehiclesintheUSandEuropehavebeenremoved.Operatingsuchasystemhasprovena(n)5.(true)difficultchallenge.Thecitytrafficwillprovidehardpointsforthebusestoovercome,sincetheyhavetowork6.commoncarsandotherroadusersmaynotbepredictable.Thebuseshaveamaximumspeedof40km/hbutwilltravelatanaveragespeedof10km/h,thus7.(lead)themtobeslow-movingvehiclesduringrush8.(hour).Helsinkiisseveralyearsintoits10-yearplantomakecarownershippointlessthroughpoint-to-point"mobilityondemand"systems.Twoyears9.,thesmartbusserviceKutsuplushadbeenshutdownduetocostsandthelowvolumeofpassengers.10.isexpectedtohappenthatsmallautomatedbusescouldmakeadifferencewhenpresenthuman-operatedtransporthasprovedinefficientwithgovernmentfunds.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限一词;2、只允许修改10处,多者(从第11处起)不计分。Oneday,whenIwasabout5or6yearsold,myparentswenttoatrip、Grandmaseemedsohappytotakecareofmewhichshemademeaspecialbreakfast、Therefore,Icomplainedaboutthefoodshecooked,Grandmaquietputdownthebowlandwentintothelivingroom、Ifollowedandsawtearinhereyes、ItwasthefirsttimethatIhaveeverseenmystronggrandmothertocry、AndIknewIwastheonewhohadcausedit、Iapologizedandaskedhertoforgiveme、ShesmiledandtoldmeIwasgoodboyevenifIdidn'tfeellikeonethen、Thatmemorywillstayinherheartforever,becauseIlearnthataskforforgivenesshelpsmetolearnandgrow、第二节书面表达(满分25分)29.(25分)假如你是李华,你的网友Mike在微博上说,自进入高三以来一直觉得压力很大,请你回复其微博,帮助他振作起来。写作要点:1.分析他不开心的原因;2.给他一些建议;3.送上祝福。注意:1词数100左右;2可适当增加细节,以使行文连贯。______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________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、D2、D3、D4、B5、C6、D7、C8、D9、A10、B11、C12、D13、C14、B15、D16、B17、C18、C19、D20、D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、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-madespacetrash­?A.Acamera. B.Atoolkit.C.Afueltank. D.Abrokensatellite.6、WhywerescientistsNOTconcernedaboutspacetrashinthebeginning?A.Itnolongerservedanyusefulpurpose.B.ItwasmillionsofmilesawayfromtheEarth.C.Itdidnotcauseanyproblems.D.Itwasregardedassimilartocometsandstars.7、Whichofthefollowingstatementsistrueaboutspacejunk?­A.Itishuge,heavymachines.B.Itneverchangesposition.C.ItfloatsslowlyaroundtheEarth.D.Itmaycauseproblemsforspaceshuttles.8、Whathasbeendoneaboutthespacetrashproblem­?A,Scientistshavecleanedupmostofthetrash.A.Largepiecesofspacetrasharebeingcloselywatched.B.Manynationshaveworkedtogethertostoppollutingspace.C.Groundstationsarebuilttohelpstorethetrashproperlyinspace.22、1、B2、A3、D4、C23、1、B2、C3、A4、D24、1、A2、D3、B4、C25、Anewstudysuggeststhatwashingdishesbyhandishealthierthanusingadishwasher.Nobodylikesdoingthedishes,butitturnsoutthatdoingthistaskmightpayoffinanunexpectedway.AccordingtoanewstudypublishedintheJournalofPediatrics,washingdishesbyhandinsteadofusingadishwashermightpreventthedevelopmentofallergies(过敏).ResearchersinSwedensurveyedtheparentsof1,029childrenaged7and8.Theydiscoveredthatchildrenwhosefamilieshand-washedthedishesinsteadofusingamachinewerelesslikelytohaveallergies.Earlierresearchhasshownthatdisheswashedbymachineare

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