上海市西南模范中学新高考冲刺模拟英语试题及答案解析

上海市西南模范中学新高考冲刺模拟英语试题注意事项1．考试结束后，请将本试卷和答题卡一并交回．2．答题前，请务必将自己的姓名、准考证号用0．5毫米黑色墨水的签字笔填写在试卷及答题卡的规定位置．3．请认真核对监考员在答题卡上所粘贴的条形码上的姓名、准考证号与本人是否相符．4．作答选择题，必须用2B铅笔将答题卡上对应选项的方框涂满、涂黑；如需改动，请用橡皮擦干净后，再选涂其他答案．作答非选择题，必须用05毫米黑色墨水的签字笔在答题卡上的指定位置作答，在其他位置作答一律无效．5．如需作图，须用2B铅笔绘、写清楚，线条、符号等须加黑、加粗．第一部分（共20小题，每小题1.5分，满分30分）1．WithWeChatPaycomingintowidespreaduse,ourhouseholdbillsareconvenient____.A．paying B．paid C．topay D．tobepaid2．Theroom______10metresacrossislargeenoughforasinglemantolivein．A．measuring B．measures C．tobemeasured D．measured3．Hardworkandlackofsleephave_____herbeautyandyouthinrecentyears.A．wornout B．triedoutC．madeout D．sentout4．We’llgoearly．，wemaynotgetaseat．A．Otherwise B．Meanwhile C．However D．Besides5．I’msorryyouhavebeenwaitingsolong,butitwillstillbesometime________youcangetyourpassport.A．since B．tillC．after D．before6．Mr.Zhanggavealltextbookstoallthepupils,except____________whohadalreadytakenthem.A．theseB．onesC．thoseD．theothers7．---Thankyouforremindingmeofthetime,orIlatefortheflightyesterday.---Don’tmentionit.A．willhavebeen B．wouldhavebeenC．mustbe D．couldbe8．Mothertoldmeinaphonecallthatshehadwrittentomeaweekbefore,butIhaven’treceived__________.A．one B．it C．something D．anything9．—Iwonderwhythethinnestplasticsbags,though________,arestillinusehere.—Well,it’snoeasyjobtosolvethisproblemeffectively.A．banning B．banned C．toban D．havingbanned10．Comehere,Mary.Ifyoustandatthisangle,you______justseethesunset.A．must B．needC．can D．should11．Thenewsupermarkethasannouncedthatthefirsttopurchasegoodsontheopeningday________getabigprize.A．must B．couldC．would D．shall12．—Whydidyoucomebytaxi?—MycarbrokedownlastweekandIstillitrepaired.A．didn’thave B．hadn’thadC．haven’thad D．won’thave13．——Yourargumentis.Iwillnotletyoupass.--Areyoukidding?A．sound B．rationalC．liberal D．plain14．Onlyafterhewasbroughttothepolicestationdidtheboy________hehadstolensomepursesfromotherpassengers.A．participate B．acknowledgeC．realize D．summarize15．---CanyoucomeonMondayofTuesday？---I'mafraid__________dayispossible.A．either B．neitherC．some D．any16．Theproblemliesin______we’renowgivinghimafish,notteachinghimhowtofish.A．what B．thatC．which D．if17．Tomisproudand________,neveradmittingheiswrongandalwayslookingforsomeoneelsetoblame.A．strict B．stubbornC．sympathetic D．sensitive18．Ifpeoplekeeppollutingtheocean,nocreaturetherewillsurvive______.A．atallcost B．foralongwhileC．inthelongrun D．bynomeans19．Iregretnothavingtakenyouradvice.OtherwiseI________thismistakeatthemoment.A．didn’tmake B．wouldn’tmakeC．hadn’tmake D．wouldn’thavemade20．Weshoulddowhatwecan______people’shardworkpaysoff.A．besure B．beingsureC．makingsure D．tomakesure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）Therearealotofproductsouttherethatmakeyourlifeeasier.Some,however,arealittlesillierthanothers—somuchthattheyseemlikejokeproducts.Hereareafewproductsthatsoundcrazy,butactuallytrue.SleepPhonesIt’shardtoimaginesomethingsillierthanamusic-playingheadbandyouwearwhileyousleep,buttheyexist—andarequitepopular.SleepPhoneswon’tgiveyouthehighestqualitysoundintheworld,butifyouprefertofallasleeptomusic,they’refarmorecomfortablethannormalheadphones.Whilethey’reabitexpensive,theymightbeperfectforyou.There’salsoawirelessversionifyouprefer.OnionGogglesIfcuttingonionbringsonthewaterworksnomatterwhatyoutry,it’stimefordesperatemeasures.Wetestedabunchofmethodsforavoidingoniontears,andfoundthebestsolutionscamedowntocuttingtheonionunderavent(通风孔),orwearingthesestylishandawesomegoggles.LockLacesThere’resomegreatwaystotieyourshoesbetter,butifyoulongforthelacelessshoesofyourchildhooddays,LockLacesareaprettygoodchoice.They’rebasicallyelastic(有弹性的)lacesthatremovetheneedtotieyourshoes.Sure,peoplewillmakefunofyou,butyoucanmakefunofthemaftertheytripovertheirownuntiedlaces.Oryoucanmakeyourownslip-onshoeswithelastictubing.2D-GlassesHate3D-movies,buthavetogotoone?Thedifferencebetween2D-glassesand3D-glassesliesintheirlenses(镜片).Eachlensof2D-glassesblocksthesamepicture,soeacheyegetsthesamepicture,whileeachlensof3D-glassesblocksadifferentpicture,soeacheyegetsadifferentpicturewhichthebraininterpretsas3D．Nowyouhaveapairofglassesthatcansaveyoufromtheheadachecausedbywearing3D-glasseswhicharepopularinourmovietheaters.Youcanbuythemormakeapairforyourself.1、WhatdoweknowaboutSleepPhones?A．Therearetwoversions.B．They’recomfortablebutunhealthy.C．Theygiveyouthebestqualitysound.D．They’recheaperthanotherheadphones.2、Theunderlinedpart“bringsonthewaterworks”inthetextprobablymeans_____.A．makesyoureyeswaterB．makesyourfingershurtC．destroysyourwaterpipesD．addstoyourwashingwork3、Comparedwith3D-glasses,2D-glasses_____.A．arecheaperandthinnerB．won’tgiveyouaheadacheC．letyouseeadifferentpictureD．aremorepopularinmovietheaters22．（8分）Thereareabout6，500languagesspokenthroughouttheworld，butabouthalfofthemareindangerofdisappearing.Oneoftheprimarycausesdrivinglanguagelossisthatsupportforlanguagecommunitiesdrasticallyvaries.Whilesomelanguagesarerecognizedbygovernmentsandtaughtinschools，themajoritygounrecognized，unsupported，anduntaught，leavingcommunitiesill-equippedtopasstheirlanguagesontofuturegenerations.Tsakonian，a“dialect(方言)”inGreece，hasdeclinedtothepointthatonly100speakersremain.Whenalanguagedisappears，manyotherthingscangoawayaswell.Forexample，partsofacommunity’sculture，knowledgeandidentitycanalsobelost.OneorganizationseekingtosaveworldlanguagesisWikitongues，whichwasfoundedasaschoolprojectbyDanielBogreUdellin2012，whenhebeganrecordingshortoralhistoriesinNewYorktoexplorethecity’srichculturaldiversitywiththesimpleidea:tellmeaboutyourselforyourhomeinyournativelanguage.Whenhepostedthevideosonline，thechannelquicklygotwideattention.Therearecurrentlyover400languagesanddialectsrepresentedonWikitongues’channelandmorethan1，500peoplefrom70differentcountrieshaveaddedvideostoit.Butthat’sfarfromenough.TheorganizationseekstoserveasanInternetresourcetokeepasmanylanguagesaspossiblealive.Udellbelievestheycanmakeithappen.“Therearemanyexamplesoflanguagesthatdisappearedbutlaterreturnedtouse.Hebrewwentextinctinthe4thcenturyBC，andwasrevived(恢复)inthe1800s.Nowonceagain，it'sthemothertongueofhalfoftheworld’sJewishpopulation，”saidUdell.1、WhatcanbeinferredaboutTsakonianinGreece?A．It’shardtospeakandunderstand.B．Itwilldefinitelydieoutinthefuture.C．It’snotallowedtospeakinGreece.D．Itlacksrecognitionandsupport.2、Whateffectmaybebroughtbytheextinctionoflanguages?A．Harmingfuturegenerations. B．Reducingculturaldiversity.C．Preventingdailycommunication. D．Changingschoolprojects.3、What’sthepurposeofWikitongues?A．Tosupportpeopleinsavingtheirlanguages.B．Torevivelanguagesthathavedisappeared.C．Torecordenoughshortoralhistories.D．Toexploretheworld’srichcultures.4、WhatdoesUdellwanttotellusbygivingHebrewasanexampleinthelastparagraph?A．Allextinctlanguageswillbebroughtbacktolife.B．It’spossibletopreventlanguagesfromdyingout.C．MorelanguageswillbepresentedonWikitongues’channel.D．Hebrewhasbecomeoneofthemostpopularlanguagesintheworld.23．（8分）Ourhomegalaxy(星系),theMilkyWay,makesforaprettyspacepicture,anditlooksnormalatadistance.Butanew3Dmaprevealsasurprise:_______________________________.TheMilkyWayisaspiral(漩涡型的)galaxy,inwhichstarsandgascloudsexistmainlyinitsspiral“arms”.Ourmassiveneighbor,theAndromedagalaxy(仙女座),isalsospiral.Spiralgalaxiesusuallyappearveryflatandeasytoseethroughatelescope,saidtheresearchers.Using1,339large,pulsating(脉冲的)starstomakea3DmapoftheMilkyWay,researchersdiscoveredinsteadthatthegalaxy’sdiskofstarsisincreasinglytwisting，mostlikelyduetothespinningofthedisk.Andthefartherthestarsarefromthecenter,themoretwisteditbecomes.Previously,astronomerssawevidenceofhydrogencloudsbecomingwarped(弯曲的)intheMilkyWay.Thisisn’tcompletelyabnormal,becauseastronomershavenoticedthesamepatternofprogressivelytwistingspiralsinaboutadozenothergalaxies.Butitdoeshelpthemmakemoresenseofourgalaxy.Becauseweliveinthisgalaxy,thatmakesithardertoobserve,anddustandstarlightmakeitevenmoredifficultwhenusingtelescopes.Tryingtodeterminewhatourgalacticcenterlookslikeissimilartotryingtofindthecenterofaforestyou’restandingin.“ItisextremelydifficulttodeterminedistancesfromtheSuntopartsoftheMilkyWay’soutergasdiskwithouthavingaclearideaofwhatthatdiskactuallylookslike,”leadstudyauthorXiaodianChenoftheChineseAcademyofSciencesinBeijingsaidinastatement.Fromafar,theMilkyWayappearslikeathinrotating(旋转的)diskofstars,orbitingthecentereveryfewhundredmillionyears.Inthecenter,hundredsofbillionsofstarsanddarkmatterholdthegalaxytogether.Butasyoumovetowardtheoutermostreachesofthegalaxy,thegravitationalglueofthecenterfades.Intheouterdisk,thiskeepshydrogengasfrombeingrestricted,whichcontributestoanS-shapedwarping.“Somewhattooursurprise,wefoundthatin3Dourcollectionof1339starsandtheMilkyWay’sgasdiskfolloweachotherclosely.Thisoffersnewinsightsintotheformationofourhomegalaxy,”RicharddeGrijs,seniorstudyco-authorandprofessoratMacquarieUniversity’sDepartmentofPhysicsandAstronomy,saidinastatement.“Perhapsmoreimportantly,intheMilkyWay’souterregions,wefoundthattheS-likestellar(星的)diskiswarpedinaprogressivelyTwistedspiralpattern.”Sothemassiveinnerdisk’srotationalforcecausestheouterdisktowarp,theresearchersconcluded.“Thisresearchprovidesacrucialupdatedmapforstudiesofourgalaxy’sstellarmotionsandtheoriginsoftheMilkyWay,”saidLicaiDeng,co-authorandseniorresearcherattheChineseAcademyofSciences,inastatement.1、Whichofthefollowingmightbethemissingsentenceinthefirstparagraph?A．TheMilkyWayisbeingwarpedandtwistedbyitsstars.B．TheMilkyWayisspiralandorbitingitselfallthetime.C．Theformationofourhomegalaxyisduetotheforceofgravity.D．TheoriginoftheMilkyWayliesinitsrotationalforce.2、Whatdoestheunderlined“this”referto?A．theMilkyWay B．thegravitationalglueC．thefadingofgravity D．theoutermostreachofthegalaxy3、Whichofthefollowingistrueaccordingtothepassage?A．Thegalaxyweliveinisuniqueforitsspecialspirals.B．ThestarsinthecenteroftheMilkyWayaremoretwisted.C．Thedistancefromthesuntootherstarsisalreadyknowntoscientists.D．TherotationofitsinnercenterforcestheMilkyWaytotwist.4、Whatisthesignificanceofthisfinding?A．ItrevealswhytheMilkyWayisaflatandspiralgalaxy.B．Itleadstoabreakthroughofusing3Dtechnologyinspaceresearch.C．ItprovesapreviouswayofobservingtheMilkyWaywhilewearelivinginit.D．ItcontributestoourknowledgeabouttheMilkyWay.24．（8分）FikiriKiponda’spathfromaccountanttomarine(海洋的)conservationistwassparkedbyachanceencounter.Aftersecuringhisdreamjob,Kipondadecidedhewantedmore.Hewasn’tquitesurewhathewaslookingforuntilheranacrosssometurtlehatchlings.Hedidn’tknowitwasturtle.Fortunatelyenoughhegottherightpersontoaskandhegotmotivated.ThatpersonwasNkindi,astaffmemberattheWatamuConservationprojectwholaterinvitedhimtovolunteerontheproject.Helaterlefthisaccountingjobandfullydevotedhimselfintotheworldofseaturtles.Now，herunsandspendshistimenursingcriticallyendangeredseaturtlesbacktohealth.Seaturtleshavebeenaroundfornearly110millionyearsandarenowconsideredhighlyendangered.TheirpreservationrestsonactivitiesofconservationistssuchasKipondaastheseturtlesfacenumerousthreatsandsignsoftheirextinctioninthenext50years.Localfishermentraditionallycatchthemtosupplementtheirownlowcatchratesandsellthemfortheiroil.Aschangesaremadetoaccommodatemorehotelsfortourists,thereislessavailablebeachlandforturtlenesting.Kiponda’spassionhasnowspreadtohiscommunity,changingtheirattitudetowardssealifepreservationwithhis“by-catchreleaseprogramme.”Throughthisprogram,fishermenarenowpaidforreturningturtlesaccidentallycaughtintheirfishingnets.Thehealthyonesaretaggedandreleasedintothemarineparkwhilehetakescareofsickandinjuredturtlesbacktohealth.Beforethelaunchofpioneeringspiritlikethis,turtlescaughtbyfishermenwereusedfortheirmeatandtheiroilextracted(提炼)foritsmedicinalproperties.“Releasingtheturtlebackintotheoceanisaverygoodfeeling,like,youfeellikeyou’vedonesomethingconcreteandIguesseverybodywouldlovetodothat...soIguessit’suniquework.”1、WhatwasFikiriKiponda’sdreamjobaccordingtothetext?A．Anaccountant.B．Amarineconservationist.C．AguidetotheWatamuConservationProject.D．Anadvocateforturtles.2、Whatmaybethemainthreattotheturtles?A．Therisingsealevel.B．Beingcaughtbytourists.C．Overdevelopmentinthetourism.D．Thereductionintheirnestingplace.3、WhichofthefollowingwordscanbestdescribeFikiriKiponda?A．Energeticbutconservative.B．Enthusiasticandcaring.C．Arbitrarybutconsiderate.D．Ambitiousandknowledgeable.4、Whichofthefollowingcanbethebesttitleforthetext?A．Themansavingendangeredseaturtles.B．Anuniquejobofprotectingseaturtles.C．Apioneerprojectprotectingseaanimals.D．Thecurrentsituationfacedbyseaturtles.25．（10分）Astheweathercostsyoualossontrainsandflights,welookatyourrights.CancelledtrainsOnasingleticket,apassengerwillusuallyreceive25%ofthefareifthetrainisdelayedby15minutes.Ifthedelayreaches30minutes,thecompensation（补偿金）risesto50%,andifit’soveranhouryoushouldbeabletoreclaimthewholecost.Cleararrangementsvaryaccordingtotrainoperators（运营商）.Ifyouwereduetotravel,tosayAberdeenfromLondon,yourtrainiscancelledandyoudecidenottotravel,youcangetafullcompensation.Ifyouhadanon-cancelableticketwithoneoperator,andfailedtomakethattrainbecausetheconnectingtrainwasdelayed,youcantakethenextavailabletrain.FlightsIfyourflightiscancelledbecauseofthesnowyouhavetherighttosfullcompensationoftheticket,ortobereroutedhomeonalaterflight.ButyouwillhavenorighttogetadelayorcancellationcompensationunderEUrules,becausethesnowisanextraordinarycircumstancebeyondtheairline’scontrol.Ifyoudon’ttakethecompensationandchoosetobererouted,anditmeansyouarestuckattheairportovernight,it’stheairline’sdutytopayforareasonablypricedhotelroomandmeals.Theairlinehastorerouteyouattheearliestopportunity,oratthepassenger’sfreetime,youaresupposedtotaketheavailabilityofseats.Ifyouchoosetobereroutedorifyourdepartureisdelayedbymorethantwohours,airlinesalsohavetoprovideassistancesuchasfood.Theairlineskeepthisquietandgettingthemoneyoutofthelow-costoperatorscanbeahardjob.Keepevidenceofcancellations,allreceipts,anduseyourmobiletovideoanyoffertopaybyairlinestaff.1、Whatisyourcompensationdeterminedbywhenyourtrainsaredelayedduetobadweather?A．Theoperator.B．Thepriceoftheticket.C．Thelengthofdelaytime.D．Theclassoftheserviceandthepriceoftheticket.2、HowmanychoicesdoyouhaveifyouaretotravelAberdeenfromLondon,andyourtrainiscancelled?A．One.B．Two.C．Three.D．Four.3、Howcanyousavethetroubleingettinggmoneyoutofthelow-costoperators?A．Bykeepingtheevidenceandvideoinganyoffertopay.B．Attheearliestopportunity,orthepassenger’sfreetime.C．Bypreventingtheairlinesfromkeepingtheirdutyquiet.D．Byarguingreasonablywiththestaffoftheairlinesofferingyoutheflight.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）SomeonerecentlyaskedmewhenIbecamemoreconfidentaboutmyabilitiesasanentrepreneur.Ithoughtitwasafunnyquestion,____I’notveryconfidentatall,andconstantlyfilledwith_____abouteverydecisionImake.Itdoesn’texactlyholdmebackinmywork;it’sjustthatIamvery_______ofwhatIdo,andI’malways_____onthewayIwork,thinkandtalk.Ihavealsolearnedovertheyearsthatmakingadecisionisoftenmoreimportantthanmakingthe_______decision.Preferablyyourdecisionsaretherightones,butinactionorindecisivenessismore_____thanmakingthewrongdecisionseverynowandthen.ThereisonethingIhavelearnedovertheyearsthatIwishIhadlearnedearlierinmycareer.Andthatisthe____thatIamnotstupid.Itsoundslogical,butIoftensatinonmeetingsandheardpeopleexplainthingsandthen____tomyself,“Idon’tunderstandthat.MaybeI’mstupid?”orIwouldhearaboutastartupandIwouldn’t______theirbusinessmodelandthinkI’mstupid.OrIwouldhearanentrepreneurspeakandthink,“Thatalllike______bullshit,butImustbestupid,becauseotherpeopleseemtoloveit.”Acoupleofyearsago,Icametothe______thatIwasnotstupidatall.WhenpeopleinmeetingssaythingsIdon’t’understandI_______upandtellthemso.Usually,Ihearasighof______intheroomandfindoutnobodyunderstoodwhatwasbeingtalkedabout.WhenIdon’tunderstandabusinessmodelitusuallymeansthereisnotone,orit______.TurnsoutI’mnotstupidand______Idon’tunderstandit,mostpeoplewon’tunderstanditatall.______doubtingmyownabilitiesI’velearnedto______my“bullshitradar”abitmoreandnotunderstandingsomethingisaclearsignthatsomethingis_______.Myadvicetoyoungentrepreneursisthis:youarenotstupid!Ifsomethingdoesnotmake_____,ifitsoundsstupid,ifyoudon’tunderstandit,somethingiswrong!Trustyourgut(本能的)______.Feelfreenottoknowandbehonestwhenyoudon’t’understandsomething!1、A．if B．unless C．because D．when2、A．disappointment B．doubt C．terror D．curiosity3、A．conscious B．tired C．ashamed D．fond4、A．insisting B．working C．relying D．reflecting5、A．right B．tough C．firm D．final6、A．boring B．costly C．disgusting D．significant7、A．truth B．concept C．realization D．reputation8、A．thought B．referred C．smiled D．came9、A．mind B．know C．love D．understand10、A．tastes B．sounds C．smells D．looks11、A．compromise B．conclusion C．point D．agreement12、A．speak B．look C．hang D．cheer13、A．despair B．pleasure C．relief D．impatience14、A．disappears B．ceases C．approaches D．sucks15、A．since B．if C．as D．while16、A．Insteadof B．Apartfrom C．Aswellas D．Regardlessof17、A．operate B．differentiate C．trust D．inspect18、A．in B．up C．on D．off19、A．progress B．history C．money D．sense20、A．feeling B．level C．happiness D．Comfort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）Hi!Mynameis“computer”,andIwasborn1．1642.Intheearlyyears,Idevelopedvery2．(slow).Later,Iwaschangedalot3．thehelpofpeople.Mymemorybecamesolarge4．Icouldn’tbelieveit.ButIwasalwayssolonely5．(stand)therebymyself.Sincethe1970s,Ihavebecomeimportantin6．(communicate).Ilovebeingusedtoconnectthepeople7．aren’tcloseenoughtospeaktoeachother.Inaddition,Ihavebeenputintorobots,andIhaveevenbeen8．(send)toexploretheMoonandMars.Anyhow,mygoalis9．(provide)humanswithalifeofhighquality.Now,Iamfilledwith10．(happy).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。DearAndrew,I'dliketoinviteyoutothecomingChristmasparty,whatwilltakeplaceonthesecondfloorofthedininghallasexpect.ItisthecelebrationfortheChristmasEve.Youarewelcometomaketheshortspeech.Afterthatwe'llhavesomefunstogether,singing,dancingandplayinggames.Thenwe'llenjoyacandlelightdinner,tastedavarietyofdeliciousfood.Eventually,membersoftheEnglishclubwillexchangegifts.I'msureitwillbeawarmlyget-together.I'dappreciateifyoucouldcomeandjoinus.Thepartywillstartat6pmandlastsaboutthreehours.We'dliketomeetyouattheschoolgateat5:50pmonthisevening.We'relookingforwardtoyoureply.Yours,LiHua第二节书面表达（满分25分）29．（25分）假如你是李华，暑假想去旅行并了解一下多伦多的大学，请你给在多伦多的笔友写封邮件，信的要点如下：1.希望他給些建议,2.并问他是否可以做自己的导游。要求：1.100词左右，邮件的开头和结尾已给出，不计入总词数。2.可适当发挥，以使行文连贯。DearTom,_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Lookingforwardtoyourreply.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、A3、A4、A5、D6、C7、B8、D9、B10、C11、D12、C13、D14、B15、B16、B17、B18、C19、B20、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、The“swim-with-dolphins”touristindustryisbecomingmorepopulareveryyear.Afterall,itcancostalargeamountofmoneytohavethiskindofholidayexperience.Sotouroperatorstrytoplaceeagerswimmersasnearaspossibletothedolphinsbytryingtopredictwherethedolphinswillbe.Researchhasshownthatwhiledolphinscanmoveawayiftheydonotwanttointeract(交流）withhumanswimmers,theydonotlikeitatalliftheswimmersslipintothewaterdirectlyontopofthemorifhumansareintheirpathoftravel.However,ifswimmersenterthewatertoonesideofthem,thedolphinsdonotavoidtheswimmerstothesameextent.Inallcases,thedolphinsseemtohavebecomemoresensitivetothepresenceoftheswimmers.Fordolphins,swimmingamongstorwithhumansisnotnecessarilyahighpriority.Thisresearchhasshownthatonly19%ofanygroupofdolphinswillparticipateininteraction.Youngdolphinsarethemostlikelytointeract;theydoseemcuriousaboutbeingwithhumans.Itisbelievedthattheyseehumansas“entertainment”andthattheinteractionisanewandunusualexperienceforthem.Itisfrequentlyaskedw