广东珠海二中、斗门一中2025届高三适应性调研考试英语试题含解析

广东珠海二中、斗门一中2025届高三适应性调研考试英语试题请考生注意：1．请用2B铅笔将选择题答案涂填在答题纸相应位置上，请用0．5毫米及以上黑色字迹的钢笔或签字笔将主观题的答案写在答题纸相应的答题区内。写在试题卷、草稿纸上均无效。2．答题前，认真阅读答题纸上的《注意事项》，按规定答题。第一部分（共20小题，每小题1.5分，满分30分）1．Youshouldsetagoalandsee________youcanachieveitinthecomingexam.A．which B．whatC．whether D．when2．Itwasnotuntilshegothome____Jenniferrealizedshehadlostherkeys.A．when B．thatC．where D．before3．Iftheweatherhadbeenbetter,we______apicnicyesterday.A．musthavehad B．wouldhaveC．couldhavehad D．willhave4．—Ihavebeenconsideringcancellingtheprojectbecauseitseemshardtogofarther.—Butit'stooearlyto________now.There'sstillmuchhope.A．pickupthepieces B．throwinthetowelC．gothroughyourpaces D．jumpdownyourthroat5．----TheysayPhilip’sbrotherisabillionaire.----____________?Hewouldn’tacceptanyhelpfromhisbrother,evenifitwereoffered.A．WhatifB．WhatforC．SowhatD．Forgetit6．Look!Here’saphoto______inmyclassroomatprimaryschool.Canyourecognizemeinit?A．taken B．takingC．totake D．beingtaken7．Itwasjustatthetimethebellranghefinishedthelastwordinhiscomposition. A．when;which B．that;when C．when;that D．that;which8．—Whydidyoulet____kidsoffthistime?—Ijustwanttogivethem____secondchance．A．/;the B．the;/ C．the;the D．the;a9．Afterthreeyearsofpreparationforthe2011Xi’anInternationalHorticulturalExpo(西安园博)会），thecityispresentingtheworld______manypeoplethinkisthegreenSpecialOlympics．A．that B．which C．what D．where10．Theyoungmanhas______experience.Heprobablycan’tdothatjob.A．few B．littleC．some D．any11．--Itshouldn’ttakelongtoclearupafterthepartyifweallvolunteertohelp．---That’sright．_____________．A．Manyhandsmakelightwork B．SomethingisbetterthannothingC．Themorethemerrier D．Thesoonerbegin,thesoonerdone12．---Theyarequiet,aren’tthey?---yes.Theyareaccustomed____atmeals.A．totalking B．tonottalking C．tonottalk D．totalk13．Mariaisconstantlymakingefforts,shedeservesthegoalofenteringthekeyuniversity.A．achieving B．toachieve C．beingachieved D．tobeachieve14．—Iamputtingonweightagain!MaybeIshouldstartdoingyoga.—You_______thatthewholemorning!A．aresayingB．havesaidC．havebeensayingD．weresaying15．—Shegotherfirstsciencefictionpublished.Itturnedouttobe________.—Whenwasthat?—Itwasin2009________shewasstillincollege.A．success;that B．asuccess;whenC．success;when D．asuccess;that16．HowIwishI______mymouthbeforeIshoutedatmymum!A．shut B．haveshutC．hadshut D．wouldshut17．Duringtheperiodofrecentterroristactivities,people_____nottotouchanunattendedbag.A．hadalwaysbeenwarned B．werealwaysbeingwarnedC．arealwayswarning D．alwayswarned18．______flag-raisingceremonywasheldattheGoldenBauhiniaSquareonJuly1tocelebrate______17thanniversaryofHongKong’sreturntoChina.A．A;/ B．A;theC．The;the D．/;the19．Itiswidelyacknowledgedinforeigncompaniesthatemployeesshouldbe________intermsofinnovationcapability.A．examinedB．evolvedC．evaluatedD．encouraged20．—Excuseme,canyoutellmewhereIcanfindasupermarket?—Ihappentoknow________nearby.Comeon,I’llshowyoutheway.A．one B．itC．that D．some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）Scientistshavelongbeeninterestedintheimpactofearly-lifeexperiencesonadultbehavior,studyingthephenomenoninmonkeysandpeople.Buthardlyanystudieshadbeendoneindogs.Guidedogspresentedausefulgrouptostudyforseveralreasons.First,atTheSeeingEye,guidedogschoolinAmerica,manypuppies（幼犬）areraisedinasinglelocationunderfairlycontrolledconditions.Second,thedogshaveaclearmeasureofsuccess:Eithertheygraduatefromtheprogramtobecomeaworkingguidedogortheyarereleased.Andthird,successasaguidedogisn’teasy;thedogmustbewillingandabletonavigateacomplexandoften-unpredictableenvironmentwhileremainingattentivetoitsowner.Togatherinformationaboutthepuppies’early-lifeexperiences,EmilyBrayandateamofresearchersatTheSeeingEye’sbreedingcentertookvideoandcloselyobserved23mothersandtheir98puppiesfortheirfirstfiveweeksoflife.“Wewantedtoknowifwecouldseparatethemomsbasedonhowtheyinteractedwiththeirpuppies,”Braysaid.“Werecordedthingslikehernursingposition,howmuchtimeshespentlookingawayfromthepuppiesandhowmuchtimeshespentincloseproximity（临近）toherpuppiesorlickingthem.”Whentheresearcherstrackedthepuppiesacoupleofyearsdowntheline,theyfoundthatthosewithmothersthatweremoreattentivewerelesslikelytograduatefromTheSeeingEye’strainingprogramtobecomeguidedogs.Inparticular,thosedogswhosemothersnursedmoreoftenlyingdown,asopposedtosittingorstandingup,werelesslikelytosucceed.“Ifamotherislyingonherstomach,thepuppiesbasicallyhavefreeaccesstomilk,butifthemotherisstandingup,thenthepuppieshavetoworktogetit,”saidBray.“Itseemsthatyouhavetoprovideyourkidswithminorobstacles（障碍）thattheycanovercomeforthemtosucceedlaterinlifebecause,asweknow,lifeasanadultinvolvesobstacles.”1、Whatdoesthesecondparagraphmainlydiscuss?A．Thestepsintrainingguidedogs.B．HowtheSeeingEyecameintobeing.C．Whyguidedogsareideaobjectsforstudy.D．ThevariousfeaturesofdogsattheSeeingEye.2、WhatdidBrayandhisteamfocusonintheirstudy?A．Thedietsofthepuppies.B．Thebodyweightsofthepuppies.C．Thewaymomsreactedtotheirpuppies.D．Themoms’sensitivenesstosurroundings.3、Whichpuppiesweremorelikelytobecomeguidedogs?A．Thosewithattractivemothers.B．Thosewhowereraisedinaquietplace.C．Thosewhowerefedwhilelyingdown.D．Thosewhowerepoorlyattendedbytheirmothers.4、WhichofthefollowingsayingsdoesBranseemtobelievein?A．Nosweetwithoutsweat.B．Failureisthemotherofsuccess.C．Actionsspeaklouderthanwords.D．Abirdinthehandisworthtwointhebush.22．（8分）AblogpostedDec

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PMbyAlannaMallonAlannaMallonisaCambridgeCityCouncilor.EachyearinNovember,IreceiveaflurryofemailsandtextsfromfriendswhowanttovolunteerwiththeirfamiliesonThanksgivingasawaytogiveback.IalsofieldphonecallsfromorganizationswhowanttodonatetolocalprogramsthatprovideThanksgivingmeals.However,asanofficialwhostillworksinthenonprofitsector,IalsofeeldeeplyanxiousbecauseIknowtheother51weeksoftheyear,thesecriticalprogramsthatprovidefoodaccesstoresidentsinneedarestarvingforbothvolunteersanddonations.Hungerisayearroundproblem,andeachweekvolunteersarethenecessaryparttoensurethatprogramsareabletoservethecommunity.AtFoodForFree,werelyonabout100volunteersperweek,andeachofthosevolunteersisextremelyimportanttoprovidingfresh,healthyfoodtopeopleintheGreaterBostonareawhoneedit.SchoolchildrenwhotakebackpacksoffoodhomeonFridays,communitycollegestudentswhorelyonourFamilyMealsprogramtothriveinclass,elderlyanddisabledresidentswhoreceivetwicemonthlydeliveriesoffoodtotheirdoorsthroughourHomeDeliveryprogram,—theyallrelyonusensuringenoughvolunteersshowuptodothework.Thesevolunteersdon’tshowupinyoursocialmediafeeds,theydon’twinawardsandnoonewritesabouttheminthelocalnewspapers.Buttheyareheroes.Andyoucanbetoo.Ifeveryonemadeapromisetovolunteeronceamonth,orevenonceaquarter,Iknowthatwecouldreducesomeoftheanxietytheseorganizationsfeel,asamorereliablevolunteernetworkallowsthemtofocusonhelpingpeople,notfillingvolunteerslots.HereisalistofafeworganizationswhoaredoingcriticalworkinCambridgetoaddressfoodinsecurity.Offeryourtimetoanorganization,theywillbedeeplygrateful—andIamgoingtobetthatyouwillfeelprettygoodaboutyourselftoo.FoodForFree:

/volunteer.CEOC:

/food-pantry.HarvardSquareHomelessShelter:

/volunteer.CommunityCooks:

/join-us.MargaretFullerNeighborhoodHouse:

223、Whatcanbelearntfromthefirsttwoparagraphs？A．Thefoodsafetyworriestheauthor.B．Volunteersareneededallyearround.C．DonationscanbemadethroughtheInternet.D．PeoplelikegettingtogetheronThanksgiving.1、Paragraph3ismainlyabout________.A．theneedforfreshfood B．thedutyofFoodForFreeC．thevalueofvoluntarywork D．thedifficultlifeoflocalpeople2、Thepassageisto________.A．callforaction B．expressthanksC．advertiseprograms D．introducewebsites23．（8分）Plantsareboring.Theyjustsittherephotosynthesizing（光合作用）whileanimalshaveallthefun.Right?Notsomuch.Anewstudyhasfoundthatthereisalonghistoryofinteractionsbetweenantsandplants.Theantandplantco-evolution（协同进化）startedwithantsfeedingonplantsandplantsevolvingant-friendlyfeatures.Plantsmakeanumberofdifferentstructuresthatarespecificforantuse.Someplantshaveevolvedfeaturesthatpersuadeantsintodefendingthemfromattackfromotherinsectsandevenmаmmаlѕ.Тhеѕеіnсludеhollowthornsthatаntѕwillliveіnѕіdе,orехtranесtаr(琼浆)оnlеаvеѕorstemsfortheantstoeat.Someantswilljustcheatandtakethenectarandrun,butsomewillstickaroundandattackanythingthattriestohurttheplant.Otherplantsgetantstohelpthemmovetheirseedsaround,byprovidingthemwithrichfoodpacketsattachedtotheseeds.Theantwillpickuptheseedandcarryitaway,eatthefoodpacket,andleavetheseed-ofteninanutrient-richareawhereit'llgrowbetter,andsinceit'sfartherawayfromitsparent,theywon'thavetocompeteforresources.Butscientistsweren'tsurehowtheevolutionaryrelationshipbetweenantsandplantsgotstarted.Ifevolutionisanarmsracebetweenspeciesdevelopingwaystomakeuseoftheirneighbors,thenscientistswantedtoknowwhetherplantsorantsfiredthefirstshot.Itwasachicken-and-eggquestion,whetherthingsstartedwithantsdevelopingbehaviorstotakeadvantageofplants,orplantsevolvingstructurestotakeadvantageofants.Thehistoryofantsandplantsevolvingtogethergoesbacktothetimeofthedinosaurs,andit'snoteasytotellfromfossilswhofiredthefirstshot.However,itisaquestionoflittlesignificance.Scientistssaytheirstudymatersbecauseitprovidesalookathowthesewidespreadandcomplexinteractionsevolved.1、Someplantsattachfoodpacketstotheirseedsinorderto.A．rewardtheants B．makeafoolofantsC．providenutritionfortheseeds D．gettheseedsmovedaround2、WhatdoesParagraph2mainlytellus?A．Howplantsandantsinteract. B．Whatantsdotoprotectplants.C．Howplantsandantssurviveattacks. D．Whyplantsandantsneedco-evolution.3、Whichistrueabouttheevolutionaryrelationshipbetweenantsandplants?A．Antsdependedmoreuponplants. B．Itcausedaraceforbetterevolution.C．Howitgotstartedwasuncertain. D．Itwasoflittlevalueforfuturestudies.4、What'stheauthor’spurposeofwritingthepassage?A．Tointroduceascienceresearchmethod.B．ToinformreadersofalatestresearchfindingC．Toarousereaders'interestinscienceresearch.D．Tocriticizepeople'straditionalviewsaboutplants.24．（8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.25．（10分）NewYear'sresolutions(决心)havebeenaroundlongenoughthatweallscenttosticktothesameones--hitthegym,layoffthecandy,readmorebooks,callyourmother-regardlessofwhetherwefollowthroughwithourintentions.WhileJanuary1stseemsliketheperfecttimetohaveanewstartagain,exactlywhenpeopledevelopedthatmindset(思维模式)isn’tcommonknowledge.Itturnsoutthatthemodernbeliefof'aNewYear’sresolutionisn’tasoldasyouthought.Accordingtomanyhistorians,theancientBabylonianswerethefirstgroupofpeopletomakeNewYear’sresolutions.However,insteadofmakingacommitmenttoselfimprovement,theymadeacommitmenttothegodstopaytheirdebtsandreturnanyobjectstheyhadborrowed.AnancientRomantraditionfrom46B．C,bearsevenmorelikenesstomodernresolutions.EmperorJuliusCaesardeclaredJanuarythemonthofJanus.RomansbelievedJanuslookedbackwardsintothepreviousyearandaheadintothefuture.Inhishonor,theymadesacrificestothegodandpromisesofgoodbehaviorforthecoiningyear.ButthemodernNewYear'sresolutiondidn’tfullyformuntilcenturieslater.Thepracticewascommonenoughbytheearly1800s.Anarticlein1802states,"Statesmenhavesworntohavenootherobjetinviewthanthegoodoftheircountry..thephysicianshavedeterminedtoadvisetheuseofmedicinenomorethanisnecessary,andtoheveryreasonableintheirfees.”Thefirsttime“NewYear'sresolution"appearedasaphrasewasintheJanuary1stissueofaBostonnewspaperin1813.“Ibelievetherearealotofpeople,"thearticlegoes,“withaseriousdeterminationofbeginningtheNewYearwithnewresolutionsandnewbehavior,andwiththefullbeliefthattheyshallacceptpunishmentforalltheirformerfaultsandwipethemaway.Soasyoumake(andpossiblyfailat)yourNewyear'sresolutions,knowthatyou'reingoodcompany.1、WhoseNewYearsresolutionsweremostdifferentfromthepresentcommonpractice?A．AncientBabylonians’B．AncientRomans’C．Statesmen'sinthe1800s.D．Bostonpeople'sin18132、AccordingtoParagraph4,thephysiciansfocusedtheirresolutionson_______A．annualincomesB．personalambitionsC．professionalhonestyD．academicimprovement3、Whatistheauthor'spurposeinwritingthetext?A．ToencouragepeopletomakeNewyear'sresolutionsB．TogiveadviceonhowtomakeNewYear’sresolutions.C．TocomparedifferentNewyear'sresolutionsinhistory.D．TointroducethedevelopmentofNewYear'sresolutions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）Thinkingofmygoodfriends,Isensethatmyattitudesaretotallydifferenttowardsmenandwomen.MyearliestchildhoodfriendisDonald.Inthestreetwasa(an)1oldGermantruck.Nowheels.Nodoors.Eachday,2wewereflyingovertheAtlanticinthattruckour“airplane”，therecamethatwonderfulmoment:“Engine3!”I’dshout,“We’llhavetojumpout.”Glancingatme，he’dsay,“Ican’t4!”“Fearnot!I’lldragyoutothe5.Andwhenweswam6thedust,Donaldcried“Sharks!”ButIalways7him.Thenextday,changing8，Donaldwoulddothesametome.Wesavedeachotherhundredsoftimes,butwhenmyfamilyreallydidleaveforAmerica,wecoulddo9.Wejustcriedsilentlyasthetrain10.Thesedays,Jessicaisoneofmybestfriends.RecentlywewereswimmingatabeachintheAtlantic,the11oneIhad“flown”overinmyGermantruckwithDonald.Wewerefarformshorewhenweboththoughtwe12ashark!Webeganswimming13towardtheshore.Althoughin14，Ifellbacktoprotecther.Intheend»the“shark”proved15，butnotmydeepemotionalfeelingformyfriend.Welookedintoeachother’seyesandsaid,“Iloveyou!”YouseewithwomenIcouldbe16，emotionallyhonestandtransparent.Withmalefriends,itseemedimpossibleto17caringfeelingshoweverdeepthefriendshipwas.“AmInormal?”Ithoughttomyself.Muchtomy18，researchesshowthatmenandwomenhaveverydifferent19andrational(理性的)processes.Idoloveallmyfriends-onlythemeansofexpression20.1、A．advancedB．decoratedC．abandonedD．updated2、A．beforeB．whileC．afterD．until3、A．lossB．deathC．pressureD．failure4、A．jumpB．swimC．dieD．run5、A．dustB．riverC．truckD．shore6、A．overB．throughC．acrossD．beyond7、A．leftB．fetchedC．rescuedD．defeated8、A．rolesB．mannersC．imagesD．forms9、A．somethingB．nothingC．anythingD．everything10、A．brokedownB．movedinC．pulledawayD．blewup11、A．veryB．lastC．firstD．only12、A．attackedB．spottedC．annoyedD．killed13、A．eagerlyB．casuallyC．hardlyD．crazily14、A．panicB．hesitationC．doubtD．silence15、A．fierceB．friendlyC．imaginaryD．true16、A．coolB．shyC．passiveD．open17、A．expressB．hideC．admitD．control18、A．embarrassmentB．disappointmentC．reliefD．surprise19、A．emotionalB．physicalC．mentalD．moral20、A．changesB．developsC．mattersD．differs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）Whydon’tbirdsgetlostontheirlongflightsfromoneplacetoanother?Notlongago,experimentsshowedthatbirdsrely1．thesuntoguidethemduringdaylighthours.Butwhataboutbirds2．flybynight?Testswithartificialstarshaveprovedthatcertainnightflyingbirdsareabletofollowthestarsintheirlongdistanceflights.Adovehadspentitslifetimeinacageandhadneverflownundera3．(nature)sky.Yet4．showedaninbornabilitytousethestarsforguidance.Thebird'scage5．(place)underanartificialstar-filledsky.Thebirdtriedtoflyinthesamedirectionasthat6．(take)byhisoutdoorcousins.Anychangeinthepositionofthemake-believestarscaused7．changeinthedirectionofhisflight.Scientiststhinkthatdoves,when8．(fly)indaylight,usethesunforguidance.Butthestarsareobviouslytheirmainmeansofflight.Whatdotheydo9．thestarsarehiddenbyclouds?Apparently,theyfindtheirwaybysuchlandmarksasmountainranges,coastlines,andrivercourses.Butwhenit'stoodarktoseethese,thedovescircle10．(help),unabletogettheirposition.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短文。短文中共有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：在缺词处加一个漏字符号（∧），并在此符号下面写出该加的词。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。DearAlice,Iamdelightedtohearthatyouwillcometomycityforsightseeing.Iwaswritingtoyouexpressingmywillingnesstomakearrangementforyourtour.Asfortheaccommodation,Ihavetheoptionofeitherstayinginmyhomeorinahotel,thatIcanreserveforyouinadvanceifyoulike.However,I'dliketohelpyouworkatravelschedule.Intheway,couldyoudomeafavorandpurchaseaCoachpursethoughitdoesn'tbotheryou?Withmymother'sbirthdayapproached,Iwishtopresentittoherasabirthdaygift.I'mlookingforwardtomeetingyousoon.Ihopeyouwillhaveafunhere.Yourssincerely,LiHua第二节书面表达（满分25分）29．（25分）假定你是李华，你的加拿大籍笔友Rex最近因上课注意力不能集中而感到苦恼，来信向你求助。请你给他写封回信，表示安慰，并给出建议。要点如下：1.写信目的；2.你的建议；3.表达祝愿。注意:1.词数100左右2.可以适当增加细节，以使行文连贯3.开头语和结束语已为你写好，不计入总词数;4.参考词汇：distraction注意力分散DearRex,I’mreallysorrytohearaboutyourpresentsituation._________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Goodlucktoyou!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、C2、B3、C4、B5、A6、A7、C8、D9、C10、B11、A12、B13、B14、C15、B16、C17、B18、B19、C20、A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、C2、C3、D4、A22、223、B1、C2、A23、1、D2、A3、C4、B24、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,soin1958theUSgovernmentcreated