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1、2018-2019年度高二期末考试卷英语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.Firstawillowtreeattackedinthewoodsbycate
2、rpillars(毛虫)changedthechemistryofitsleavesandmadethemtastesoterriblethattheygottiredoftheleavesandstoppedeatingthem.Thenevenmoreastonishing,thetreesentoutaspecialsmell---asignal(信号)causingitsneighborstochangethechemistryoftheirownleavesandmakethemlesstasty.Communication,ofc
3、ourse,doesn’tneedtobeinwords.Wecantalktoeachotherbysmiling,raisingourshouldersandmovingourhands.Weknowthatbirdsandanimalsuseawholevocabularyofsongs,sounds,andmovements.Beesdancetheirsignals,flyingincertainpatternsthattellotherbeeswheretofindnectar(花蜜)forhoney.Sowhyshouldn’t
4、treeshavewaysofsendingmessage?1．Itcanbeconcludedfromthepassagethatcaterpillarsdonotfeedonleavesthat______.A．arelyingonthegroundB．haveanunpleasanttasteC．beesdon’tlikeD．haveanunfamiliarshape2．Thewillowtreedescribedinthepassageprotecteditselfby______.A．growingmorebranchesB．com
5、municatingwithbirdsandbeesC．changingitsleafchemistryD．shakingcaterpillarsoff3．Accordingtothepassage,thewillowtreewasabletocommunicatewithothertreesby______.A．wavingitsbranchesB．givingoffaspecialsmellC．droppingitsleavesD．changingthecolourofitstrunkBItdoesn'tmatterwhenorhowmu
6、chapersonsleeps,buteveryoneneedssomeresttostayalive.That'swhatalldoctorsthought,untiltheyheardaboutAlHerpin.AlHerpin,itwassaid,neverslept.Couldthisbetrue?Thedoctorsdecidedtoseethisstrangemanthemselves.AlHerpinwas90yearsoldwhenthedoctorscametohishomeinNewJersey.Theythoughtfo
7、rsurethathegotsomesleepofsomekind.Sotheystayedwithhimandwatchedeverymovementhemade.Buttheyweresurprised.Thoughtheywatchedhimhourafterhouranddayafterday.TheyneversawHerpinsleeping.Infact,hedidnotevenownabed.Heneverneededone.TheonlyrestthatHerpinsometimesgotwassittinginacomfo
8、rtablechairandreadingnewspapers.Thedoctorswerepuzzledbythisstrangecontinuoussleepl
