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山西省祁县第二中学2018-2019学年高二英语下学期期末试题第一部分阅读理解第一节(共15小题;每小题3分,满分45分)阅读下列短文,从每题所给的A、B、C、D四个选项中，选出最佳答案。ACantreestalk?Yes,butnotinwords.Scientistshavereasontobelievethattreesdocommunicate(交际)witheachother.Notlongago,researcherslearnedsomesurprisingthings.Firstawillowtreeattackedinthewoodsbycaterpillars(毛虫)changedthechemistryofitsleavesandmadethemtastesoterriblethattheygottiredoftheleavesandstoppedeatingthem.Thenevenmoreastonishing,thetreesentoutaspecialsmell---asignal(信号)causingitsneighborstochangethechemistryoftheirownleavesandmakethemlesstasty.Communication,ofcourse,doesn’tneedtobeinwords.Wecantalktoeachotherbysmiling,raisingourshouldersandmovingourhands.Weknowthatbirdsandanimalsuseawholevocabularyofsongs,sounds,andmovements.Beesdancetheirsignals,flyingincertainpatternsthattellotherbeeswheretofindnectar(花蜜)forhoney.Sowhyshouldn’ttreeshavewaysofsendingmessage?1．Itcanbeconcludedfromthepassagethatcaterpillarsdonotfeedonleavesthat______.A．arelyingonthegroundB．haveanunpleasanttasteC．beesdon’tlikeD．haveanunfamiliarshape2．Thewillowtreedescribedinthepassageprotecteditselfby______.A．growingmorebranchesB．communicatingwithbirdsandbeesC．changingitsleafchemistryD．shakingcaterpillarsoff3．Accordingtothepassage,thewillowtreewasabletocommunicatewithothertreesby______.A．wavingitsbranchesB．givingoffaspecialsmellC．droppingitsleavesD．changingthecolourofitstrunkBItdoesn'tmatterwhenorhowmuchapersonsleeps,buteveryoneneedssomeresttostayalive.That'swhatalldoctorsthought,untiltheyheardaboutAlHerpin.AlHerpin,itwassaid,neverslept.Couldthisbetrue?Thedoctorsdecidedtoseethisstrangemanthemselves.AlHerpinwas90yearsoldwhenthedoctorscametohishomeinNewJersey.Theythoughtforsurethathegotsomesleepofsomekind.Sotheystayedwithhimandwatchedeverymovementhemade.Buttheyweresurprised.Thoughtheywatchedhimhourafterhouranddayafterday.TheyneversawHerpinsleeping.Infact,hedidnotevenownabed.Heneverneededone.TheonlyrestthatHerpinsometimesgotwassittinginacomfortablechairandreadingnewspapers.Thedoctorswerepuzzledbythisstrangecontinuoussleeplessness.Theyfoundonlyoneanswerthatmightexplainhiscondition.Herpinrememberedsometalkabouthismotherhavingbeeninjuredseveraldaysbeforehewasborn.Butthatwasall.Wasthistherealreason?Noonecouldbesure.Herpindiedattheageof94.4．Themainideaofthispassageisthat_______.A．apersonwasfoundwhoactuallydidn'tneedanysleepB．largenumbersofpeopledonotneedsleepC．everyoneneedssomesleeptostayaliveD．peoplecanlivelongerbytryingnottosleep5．ThedoctorscametovisitHerpin,expectingto_______.A．curehimofhissleeplessnessB．findawaytofreepeoplefromtheneedofsleepingC．findthathissleeplessnesswasnotreallytrueD．findoutwhysomeoldpeopledidn'tneedanyasleep6．Afterwatchinghimclosely,thedoctorscametobelievethatAlHerpin_______.A．wastoooldtoneedanysleepB．needednosleepatallC．oftensleptinachairD．neededsomekindofsleep7．OnereasonthatmightexplainHerpin'ssleeplessnesswas_______.A．thathehadn'tgotabedB．thathehadgraduallygottiredofthesleepinghabitC．hismother'sinjurybeforehewasbornD．hismagnificentphysicalconditionCWithhisstronginterestinnationalaffairs,37-year-oldSongZhigangwasgluedtotheTVnewsduringthe2014AsiaPacificEconomicCooperationsummit.Henotonlylearnedallthelatestinformationabouttheevent,hewasalsoinspiredtowriteasongforChinesePresidentXiJinpingandhiswife,PengLiyuan.TitledXiDadaLovesPengMama,thesongtellsofthelovebetweenthecouple,whichgoesXiDadalovesPengMama.Theirloveislikeamyth.PengMamalovesXiDada.Anationwithloveisthestrongest.WhenthesongwasreleasedinanonlinevideoonNov18,itbecameaninstantviralhit,whichhasbeenviewedover40milliontimesandstirredhotdiscussion.Manynetizenssaidit'ssweettolistentothesongwhileseeingsuchphotos,andsomebelievethatthecouplesetsagoodexampleforChina'syoungcouples.BorninZhengzhou,Henanprovince,Songworksasanindependentsongwriteralongwithhisteamthere,includingsinger-songwritersYuRunze,XuAnandWuBai.Songsaysthathefinishedthelyricswithinanhourandsentittohisteamviacellphone.Theteamfinishedcomposing(作曲)thatnight.Theyalsomadethemusicvideobythemselves,whichwasthefirsttimethattheyhadeverproducedamusicvideoanduploadeditonline.Thevideoofthesongcontains33photosand2cartoonillustrationsofthecouple,displayingsmallinteractivemoments,includingtaciteyecontactbetweenthecoupleandhandtouchingwhenthecoupleplayedaswing.Ninechildrenbetween4and12yearsoldwereinvitedtorapandsingalongwiththeteam.WhenIwatchedthecoupleappearingonTV,theyseemedjustlikeanyotherordinarycoupleandIfeltclosetothem.Withsomesmallsweetmoments,Icouldfeelthelovebetweenthecouple,saysSong.XiDadaandPengMamahavebothbecomeInternetbuzzwords,referringtotheChinesepresidentandhispopularwife.SongnotesthatthecouplehasattractedworldwideattentionandevenwhatPengwearsbecomesheadlines.YuRunze,32,isoneofthesingersandalsocomesfromZhengzhou.Shesaystheteamstartedtoreleasesongsonlinearoundfouryearsago,mostlypoploveballads(歌曲，歌谣).Thoughtheycouldmakeendsmeetbymakingmusic,theyremainedunknownbeforethissong.Wedidn'texpectthatthesongwouldgainsomuchpopularityonline.Peoplesharethesamefeelingwehaveaboutthecouple,whichiswarmandsincere,saysYu,whoisagraduateoftheQ