陕西省西安市长安第一中学2022年高考仿真模拟英语试卷含答案_第1页
陕西省西安市长安第一中学2022年高考仿真模拟英语试卷含答案_第2页
陕西省西安市长安第一中学2022年高考仿真模拟英语试卷含答案_第3页
陕西省西安市长安第一中学2022年高考仿真模拟英语试卷含答案_第4页
陕西省西安市长安第一中学2022年高考仿真模拟英语试卷含答案_第5页
免费预览已结束,剩余11页可下载查看

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

2021-2022高考英语模拟试卷注意事项:1.答题前,考生先将自己的姓名、准考证号填写清楚,将条形码准确粘贴在考生信息条形码粘贴区。2.选择题必须使用2B铅笔填涂;非选择题必须使用0.5毫米黑色字迹的签字笔书写,字体工整、笔迹清楚。3.请按照题号顺序在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、试题卷上答题无效。4.保持卡面清洁,不要折叠,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.IowemycurrentsuccesstoDavid,mybestfriendsincechildhood,withoutwhomIhavenoideawhereI________today.A.am B.wasC.wouldhavebeen D.wouldbe2.Thefollowing________________chosenasthecandidatesofthecompetition.A.is B.areC.has D.have3.---Wewantsomeonetodesignthenewartmuseumforme.---_____theyoungfellowhaveatry?A.Shall B.May C.Will D.Need4.Hefinishedwritinghisfirstnovellastyear,andweallthinkthatis______hiscareerreallytookoff.A.where B.whenC.how D.why5.Iappreciate______theopportunitytoworkinyourcompanytwoyearsago.A.giving B.togive C.beinggiven D.tobegiven6.—Don'tputthewasteontheground,youngman.—Oh,I'msorry.I______thedustbinthere.A.hadn'tseen

B.haven’tseen

C.didn'tsee

D.wasn'tseeing7.“Drive-ins”havelargeparkinglots________customersareservedintheircarsbywaitresses.A.who B.when C.which D.where8.—You'vegotyourflatfurnished,haven'tyou?—Yes,I______someusedfurnitureanditwasarealbargain.A.willbuy B.haveboughtC.hadbought D.bought9.Astothe“996workschedule”,______employeesworkfrom9amto9pm,6daysaweek,People’sDailycommentedthatvaluinghardworkdoesnotmeanforcingemployeestoworkovertime.A.that B.which C.where D.when10.---Jennyisbecomingslimmerandslimmer.----Itissaidthatshehiredafitnessinstructorlastyearand_____since.A.isworkingout B.workedout C.hasbeenworkingout D.hadworkedout11.Thecouplewasinitiallylookingforwardtohavinganoverseasweddingbuthadtodroptheideaafterfacing________fromparents.A.recognition B.tolerationC.opposition D.proportion12.Tomistheonlyoneofthestudentswhoascholarshipsincelastyear.A.haswon B.havewon C.iswinning D.wins13.—Whatshallwedotonightthen?—,whateveryouwant.A.Helpyourself B.It’sadealC.Noproblem D.It’suptoyou14.---Mr.Johnsonhasbeenchosenasthemanagerofthesalesdepartment.---___________hewassoexcitedthismorning.A.Nochance B.NowayC.Notpossible D.Nowonder15.______abookinfrontofyourface,you’llfeeltheairmovingagainstyourface.A.WavedB.WaveC.TowaveD.Waving16.—Gotyourdrivinglicense?—No.Itoobusytohaveenoughpractice,soIdidn’ttakethedrivingtestlastweek.A.wasB.amC.havebeenD.hadbeen17.Theroomissoclean.He________havecleanedityesterdayevening.A.will B.needC.can D.must18.Itisobvioustothestudents_____________theyshouldgetwellpreparedfortheirfuture.A.as B.thatC.which D.whether19.Thecustomsofficerswereinsistingthatsuitcasesshouldbeopenedandtheircontents_______forcloserinspection.A.laidout B.givenout C.sentout D.pickedout20.-Areyoureadyforthehistorytesttomorrow?-No,IwishI_____theclockback.A.hadturned B.couldturnC.willturn D.wouldhaveturned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)YoungpeopleintheUnitedStatesdonothaveastrongunderstandingoftheworldandtheirplaceinit.TwoUS-basedgroups,theCouncilonForeignRelationsandtheNationalGeographicSociety,conductedanonlinesurveylastyear.TheywantedtoknowwhatyoungpeopleinAmericancollegesknewaboutgeography,U.S.foreignpolicy,recentinternationalevents,andeconomics.Thesurveywasgiventoover1,200Americansbetweentheagesof18and26,allofthempresentlyattending,orhavingpreviouslygraduatedfrom.a2-or4-yearcollegeoruniversity.Theaveragetestscore,outof75totalpossibleanswers,was55percent.Thestudyidentifiesafewimportantproblems.Forexample,only30percentknewthattheonlypartoftheU.S.governmentthatcandeclarewarisCongress.Only60%ofthosetakingthesurveycouldidentifyBrazilonaworldmap.“Partoftheproblem,”arguetheorganizersofthesurvey,“istheInternet.”Theysayitisbecominghardertofindhigh-qualityinformationaboutworldeventsamongallthefakenewsandtrivia(琐事)whichswamp(淹没)theweb.Forty-threepercentofthosequestionedsaidtheyreadaboutthenewsonFacebook.Anotherproblemisthatmostcollegecoursesdonotrequirestudentstolearnaboutinternationalissues.Ifsuchinformationisnotrequired,RichardHaassfromtheCouncilonForeignRelationssaid,thentheUnitedStatescouldhaveleaderslikeGaryJohnson.HewasarecentpresidentialcandidatewhodidnotknowabouttheSyriancityofAleppowhenareporteraskedhimaboutit.Thesurveyresultswerenotallbad.Theyoungpeoplealsodemonstratedagoodunderstandingofclimatechangeandrenewableenergy.Andthemajorityofthemsaidthatinternationalissueswerebecomingmoreimportanttothem.Haasssaysthesefindingssuggesttheneedtofindwaystogetgoodinformationforstudents,bothinschoolandonline.Tohelp,theCouncilonForeignRelationsiscreatinganewprogramcalledCFRCampus,designedtohelpbuildknowledgeaboutglobalissues.1、Whatdoweknowaboutthesurvey?A.Theparticipantswereallrecentuniversitygraduates.B.ItwasanonlinesurveyconductedbytwoUSuniversities.C.Itwasgiventoover1,200Americanpeopleagedfrom18to26.D.ItaimedtofindoutwhattheyoungpeopleknowaboutAmerica.2、What’sonereasontheorganizersofthesurveygiveforyoungpeople’slackofknowledge?A.ThepoorqualityoftheUSuniversitysystem.B.Youngpeople’sunwillingnesstotravelabroad.C.ThesourcesfromwhichtheygeltheirinformationD.Theirlackofinterestinknowingmoreabouttheworld.3、WhattopicdidtheyoungAmericansunderstandbestaccordingtothesurvey?A.Governmentorganizations.B.Geographicinformation.C.Foreignrelations.D.Environmentalmatters.4、Inwhichpartofanewspapercouldwefindthisarticle?A.Economics. B.Education.C.NationalPolitics. D.Entertainment.22.(8分)Howtohelpyourselvesfacingthefrequentoccurrenceofcrowdedstampede(踩踏)duringtheholiday?Ifyouareinacrowd,afirstandmostessentialthingistomakeyourselffamiliarwithyoursurroundings.Nomatterwhereyouare,makesureyoualwaysknowhowtogetout.Makeyourselfawareofthetypeofgroundyouarestandingon,andknowthatinacrowdofmovingpeople,wetorunevengroundcanheslipperyordangerous,causingyoutofall.Beawareofthegeneralatmosphereoftheevent,aspanicsituationscanoftenbepredicted.Whenindanger,afewsecondscanmakeallthedifference,givingyouthepossibilityoftakingadvantageofyourescapingroute.Alwaysstayclosertotheescaperoute.Ifyoufindyourselfinthemiddleofamovingcrowd,donotfightagainstthepressure,donotstandstillorsitdown,becauseyoucouldeasilygettrampled(被踩踏).Instead,moveinthesamedirectionofthecrowd;takeadvantageofanyspacethatmayopenuptomovesideways.Keepyourhandsupbyyourchest,likeaboxer—itgivesyoumovementandprotectsyourchest.Ifyoufall,getupquickly.Ifyoucan’tgetupbecauseyouareinjured,getsomeonetopullyoubackup.Ifyouhavekids,liftthemup.Ifyoufallandcannotgetup,keepmovingbycrawlinginthesamedirectionofthecrowd,orifthatisnotpossible,thencoveryourheadwithyourarmsandcurlupintothefetal(胎儿的)position(donotlayonyourstomachorback,asthisdangerouslyexposesyourlungs).Theworstsituationistobepushedbythecrowdagainstanimmovableobject.Trytostayawayfromwalls,fencesorbarricades,asthecrowdpressurecanbuilduprapidly.1、Whatisthefirstimportantwhenyouareinacrowd?A.Protectyourbreast.B.Calltheambulancequickly.C.Presswiththecrowdtightly.D.Befamiliarwithyoursurroundingsquickly.2、Whatshouldyoudoifyoufallandcannotgetupinacrowd?A.Shoutatthecrowdloudly.B.Waitforsomeonetosaveyou.C.Coveryourheadwithyourarms.D.Layonthegroundwithoutmoving.3、Whatshouldyoudoifyoufindyourselfpressedinthemiddleofthecrowd?A.Cryforhelpandfightagainstthepressure.B.Movetowardsthesamedirectionofthecrowd.C.Keepstillandwaitforthecrowdtoleaveslowly.D.Keepbendingdownwithahandaroundyourhead.4、Whoisthesuitablereaderaboutthepassage?A.Thepeopleofallages. B.Thechildren.C.Theparents. D.Theteachers.23.(8分)“Sorryseemstobethehardestword”—thatisoneofEltonJohnsmostpopularsongs.Butnoteverypublicfigureseemstofinditsotoughtosaythatpowerfulfive-letterword.Inrecentdayspublicfigures,frompoliticianstostars,haveallpubliclyexpressedremorse.Butwithsomuchremorse,howcanwetellaforcedapologyfromaheartfeltexpressionofremorse?Specifically,sayingsorryshouldbearealizationthatsomethingyouhavesaidordonehashurtsomeoneandyouwanttomakeamends.“Peoplewantstheresponsetobepersonaltothem.Theywanttofeelthatthey’rebeinglistenedtoandtakenseriously,”saysMartinStone.Firstly,itisimportanttoshowthatyouunderstand.Itisvitalthatanygrouporapersonmakinganapologyunderstandsthefocus—isitsorryforthewayit’sactedorisitsorrythatthecomplainantfeelsthewaytheydo?Watchoutforthespeedofresponse.Thequickertheapologycomes,thebetteritindicatesthatthepersonmakingithasfeltanimmediatesenseofguilt.Ifsincere,thepersonmakingtheapologywillbelookingforclues(线索)toseeifheorsheisbeingunderstood,suchaseyecontactandfacialexpressions.Performedapologiesalwayshaveasenseofbeing“actedout”,andareoftenaccompaniedbytoomanyunnaturalgestures.Forasincereapology,itisalsoimportanttoavoidpromisesthatcan’tbekept.Don’tsaythatyou’llmakesurethatthiswillnothappenagainifyourenotconfidentthatitwont.Itcouldcomebacktobiteyou.Anddorememberthattheuseof“but”canhugelychangethetone(语气)ofanapology.AsStonepointsout,“I’msorrybut...”soundslikeyouaremakingexcusesandaren’tactuallytakinganyformofresponsibility.1、Whatdoestheunderlinedword“remorse”probablymean?A.Feelings. B.Appereciation. C.Regret. D.Sympathy.2、Whichofthefollowingindicatesit’saperformedapology?A.Swearingitwillnothappenagain. B.Avoidingeyecontactwiththelistener.C.Showingyouunderstandhis/herfeelings. D.Payingattentiontothelistener’sreaction.3、Whatisstressedinthelastparagraph?A.Theattitude. B.Thetoneofvoice.C.Thebodylanguage. D.Thechoiceoflanguage.4、Whatisthepurposeofthetext?A.Toexplainwhatagoodapologyis.B.Todiscusshowtogiveaformalapology.C.Toshowwhyweshouldapologizeinlife.D.Toteachushowtotellifanapologyissincere.24.(8分)Inventor!Canyoupatentandprofitfromyouridea?Wehavebeenassistinginventorssince1975.Fullrangeofpatentingandmarketingservices.ConfidentialityguaranteedAmericanInventorsCorp.Callforfreeinformation:1-800-338-5656orvisitInventor!Canyoupatentandprofitfromyouridea?Wehavebeenassistinginventorssince1975.Fullrangeofpatentingandmarketingservices.ConfidentialityguaranteedAmericanInventorsCorp.Callforfreeinformation:1-800-338-5656orvisit*Parents*Canyouaffordtoraiseyourhearingimpairedchildwithouttheinsightsthishighly-valuedbookhastooffer?Makelifeeasierforyouandyourchild!BradfordPublicationsForinformation:1-800-354-2760orvisitEarnupto$25,000ayearasaMedicalTranscriptionist!Noexperienceisneeded.Workthehoursyouchoose.Trainathomeinyoursparetime.Themedicalprofessionneedsskilledtranscriptionists.Soifyoucantype,orarewillingtolearn,wecantrainyoutoworkathomedoingmedicaltranscriptionsfromtapesdictatedbydoctors.Getfreeinformation!At-HomeProfessionCorp.CallTollFGlobeInsuranceCompanySince1951,Globehasgrowninfinancialstrengthandreputation.Withover2.8millionpoliciesinforce.Globeiscommittedtoprovidingaffordablelife,healthandaccidentinsurancefortheentirefamily.Itonlycosts$1tostartyourLongLifecoverage.GlobeInsuranceCompanyCallTollFree,SevenDaysAWeek,24-hoursADay.1-800-358-1945orvisitGlobeInsuranceCompanySince1951,Globehasgrowninfinancialstrengthandreputation.Withover2.8millionpoliciesinforce.Globeiscommittedtoprovidingaffordablelife,healthandaccidentinsurancefortheentirefamily.Itonlycosts$1tostartyourLongLifecoverage.GlobeInsuranceCompanyCallTollFree,SevenDaysAWeek,24-hoursADay.1-800-358-1945orvisit581、Thebesttitleofthe3rdadvertisementwouldbe.A.TrainingatHome B.LearningatHomeC.RecordingWork D.WorkingatHome1、Accordingtotheinformationabove,ifyourchildhashearingproblems,youcanturnto________.A.At-HomeProfessionCorp. B.GlobeInsuranceCompanyC.BradfordPublications D.AmericanInventorsCorp.2、Fromtheadvertisementsabove,wecanlearnthat.A.GlobeInsuranceCompanyhasahistoryof51yearsB.asamedicaltranscriptionist,youmayearn$25,000amonthC.BradfordPublicationsoffersatreatmenttohearingimpairedparentsD.youcanvisitwhenyouinventanewmodelofhearingaid25.(10分)Chinahasbecomethefirstcountrytosuccessfullylandaspacecraftonthefarsideofthemoon.TheChang’e-4probe(探测器)hasalsomadethefirstlunarlandingsince1972.Ithasthetaskofexploringthesideofthemoonthatneverfacestheearth.Thedarksideofthemoonisolderandhasathickersurfacethanthevisibleside.Ittakesthemoonaslongtogoaroundonitsownaxis(轴)asitdoesforonecompleteorbitaroundtheEarth.TheChineseprobelandedinahugecrater2500kmindiameterand13kmdeep.Thecraterisoneoftheoldestpartsofthemoonandoursolarsystem.Scientistshopetolearnmoreaboutthegeologyofthefarsideofthemoon.Thecrafthastwocamerasonboardwhichwillsendimagesbacktoearth.Itwillalsoattempttosendsignalstodistantregionsofspace,somethingthatcannothappenonearthbecauseoftoomuchradionoise.Chang'e-4alsohasinstrumentsonboardtoexaminemineralsaswellasacontainerwithseedswhichwilltrytocreateaminiature(微型的)biosphere(生物圈).Communicationwiththespacecraftisnoteasy.Imagesandotherdatamustbetransmittedtoaseparatesatellitebecausenodirectcommunicationwiththeearthispossible.ForChinatheChang'e-4missionisanimportantachievement,becausethecountryhassuccessfullydonesomethingnoothernationonearthhas.Itwantstobecomealeadingpowerinspaceexplorationandhasannouncedplanstosendastronautstothemoonandsetupitsownspacestation.1、WheredidtheChang'e4probeland?A.Onthelunarsidefacingtheearth B.OntheinvisiblesideofthemoonC.Inayoungercrateronthemoon. D.Inapreviousspacestation.2、Whyisthecraftequippedwithacontainer?A.Toseewhatseedscancomeoutonthemoon.B.Tocollectsomeimportantmatteronthemoon.C.Tofindwhethertheseedscangrowonthemoon.D.Tocheckwhethersomemineralsexistonthemoon.3、Whatcanwelearnfromthetext?A.Thedarksideofthemoonisascoldastheotherside.B.Thebrightsideisyoungerandthinnerthantheotherside.C.Otherplacesinspacemayhardlyreceivesignalsfromthecraft.D.Thetwocamerasonthecraftcansendpicturestotheeartheasily.4、Accordingtothetext,whatwillChinadointhefuture?A.Chinawilllandmannedspacecraftonthemoon.B.Chinawillbuiltanotherspacestationonthemoon.C.Chinawilllaunchmorespaceprobestothemoon.D.Chinawillbecomethefirstcountryinexploringspace.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)Ayoungandsuccessfulexecutivewastravelingdownastreet,goingabittoofastinhisnewcar.Hewas1forkidsrushingoutfrombetweenparkedcarsandsloweddownwhenhethoughthesawsomething.2hiscarpassed,abrick3thecar’ssidedoor.Hepressedhardthe4andspunthecarbacktothe5fromwherethebrickhadbeenthrown.Hejumpedoutofthecar,6akidandpushedhimup7aparkedcar,shouting,“Whatwasthatallaboutandwhoareyou?Justwhattheheckareyoudoing?”8moreandmoreangry,hewenton“That’sanewcarandthatbrickyouthrewisgoingto9alotofmoney.Whydidyoudoit?”“Please,mister,please,I’msorry.Ididn’tknowwhatelsetodo!”10theyoungster.“It’smybrother,”hesaid.“HefelloutofhiswheelchairandIcan't11himup”.Sobbing,theboyaskedtheexecutive,“Wouldyoupleasehelpmegethimbackintohiswheelchair?He'shurtandhe'stooheavyforme.”12beyondwords,thedrivertriedto13therapidlyswellinglump(块)inhisthroat.He14theyoungmanbackintothewheelchairandtookouthis15andwipedthescrapes(擦伤)andcuts,16toseethateverythingwasgoingtobeokay.“Thankyou,sir.AndGodblessyou,”the17childsaidtohim.Themanthenwatchedthelittleboy18hisbrothertothesidewalktowardtheirhome.Itwasalongslowwalkbacktohiscar.Heneverdid19thesidedoor.Hekeptthedent(凹痕)toremindhimnottogothroughlifesofastthatsomeonehastothrowabrickatyoutogetyour20.1、A.looking B.watching C.caring D.waiting2、A.Before B.After C.As D.While3、A.hit B.blocked C.dropped D.scratched4、A.hit B.brakes C.brick D.wheel5、A.spot B.which C.that D.this6、A.saw B.found C.stopped D.grabbed7、A.on B.in C.against D.towards8、A.Remaining B.Growing C.Buildingup D.Makingup9、A.cost B.spend C.use D.cause10、A.begged B.required C.asked D.wondered11、A.get B.pull C.lift D.put12、A.Worried B.Depressed C.Moved D.Surprised13、A.chew B.melt C.spit D.swallow14、A.helped B.pulled C.held D.took15、A.medicine B.handkerchief C.belt D.money16、A.demanding B.expecting C.checking D.wanting17、A.delighted B.sad C.helpless D.grateful18、A.push B.bring C.hand D.raise19、A.recovery B.repair C.reform D.record20、A.information B.help C.attention D.notice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)M.Pei,oneofthebest-knownarchitectsofthe20thcentury,hasdied.Hewas102.BorninChina,IeohMingPeimovedtotheUSAin19351.(study)architectureatHarvardUniversity.Pei’s2.(work)aroundtheworldincludemuseums,governmentbuildings,hotelsandotherstructures3.(build)withstone,steelandglass.Oneofhisbest-knownworkswasanewentrancefortheworld-famousLouvreMuseuminParis,PeifirstspentfourmonthsstudyingthemuseumandFrenchhistory.Hethendrewplansfor4.21-meter-tallsteelandglasspyramid,withthree5.(small)pyramidsnearby.Itwasanextremelymodernstyleofworkforthe12th-centurybuilding,6.raisedaheatargument.SomepeopleevenaccusedPei7.ruiningoneworld’sgreatestlandmarks.Thepyramids8.(open)inthespringof1989.Overtheyearsthatfollowed,thestructurecametobelovedbymost,ifnotall,ofitscritics(批评家).TherearemanyotherfamousPeibuildings,suchastheEastWingoftheNationalGalleryofArtinWashingtonandtheDallasCityHallinTexas.Pei9.(official)retiredin1990.10.,hecontinuedtoworkonprojects—includingmuseumsinLuxembourg,QatarandhisancestralhomeofSuzhou.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处错误,每句中最多有两处。错误涉及一个单词的增加、删除或修改。增加:在缺词处加一个漏词符号(/\),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:

在错的词下画一横线,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。DearJohn,ItisverykindforyoutoinvitemetoyourbirthdaypartyonThursdaynight.Ireallyexpectedthehappymomentwhatwecanhavefuntogether.SoI'msorrytotellyouthatI'mnotabletogo.Thereareamathlessontogetherwithanimportantexamschedulingonthatnight.Worsestill,I'mreallynotmyselfbecauseI'vecaughtbadcoldthesedays.Iamterriblesorryaboutit.Anyway,wewillhavemanymoreopportunitytogettogether.Ihopeyouwillpardonmeandenjoyyourselfwithotherhisfriends.Yours,LiHua第二节书面表达(满分25分)29.(25分)假如你是李华,红星中学学生会主席(ChairmanoftheStudentUnion),近日你校收到美国友好交流学校学生会主席John的邮件,希望你校捐赠一批传统文化书籍,供该校对此有兴趣的同学阅读,请你代表学校给John回复一封邮件,邮件中需要包含以下内容:1.自我介绍;2.捐赠图书的具体信息;3.询问对方的收件地址和联系信息。注意:1.词数100左右;2.可以适当增加细节,以使行文连贯。DearJohn,______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yoursfaithfully,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、B3、A4、B5、C6、C7、D8、D9、C10、C11、C12、A13、D14、D15、D16、D17、D18、B19、A20、B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、Youcan’tmakeacallorsendatextonyourmobilephoneintheUStownofGreenBank,WestVirginia.WirelessInternetisoutlawed,asisBluetooth.Asyouapproachthetinytownonatwo-laneroadthatsnakesthroughthemountains,yourmobilephonesignaldropsout,andyourradiostopsworking.Therustedpayphoneonthenorthsideoftownistheonlywayforavisitortoreachtherestoftheworld.It’sapre-modernplacebydesign,lackingofthelatesttechnologiesthatdefinelifetoday.Thereasonforthetown’semptyairwavesisapparentthemomentyouarrive.It’stheRobertC.Byrdtelescope,alsoknownastheGBT,ashinywhite,147-metre-tallsatellitedish.It’sthelargestofitskindintheworldandoneofnineinGreenBank,allofthemgovernmentownedandoperatedbytheNationalRadioAstronomyObservatory(NRAO).Youdon’tlookthroughthesekindsoftelescopes.They’reradiotelescopes,soinsteadoflookingfordistantstars,theylistenforthem.There’salonglineofastronomersallovertheworldwhowanttousethetelescopewhichissosensitivethatitcouldhearasinglesnowflakehittingtheground1,000milesaway.Suchasensitivelisteningtoolneedstotaltechnologicalsilencetooperate,soin1958theUSgovernmentcreatedaNationalRadioQuietZone,a33,000km2areacoveringGreenBankwhere,tothisday,electronicandradiosignalsareforbiddeneveryhourofevery

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