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1、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.Firstawillowtree
2、attackedinthewoodsbycaterpillars(毛虫)changedthechemistryofitsleavesandmadethemtastesoterriblethattheygottiredoftheleavesandstoppedeatingthem.Thenevenmoreastonishing,thetreesentoutaspecialsmell---asignal(信号)causingitsneighborstochangethechemistryoftheirownleavesa
3、ndmakethemlesstasty.Communication,ofcourse,doesn’tneedtobeinwords.Wecantalktoeachotherbysmiling,raisingourshouldersandmovingourhands.Weknowthatbirdsandanimalsuseawholevocabularyofsongs,sounds,andmovements.Beesdancetheirsignals,flyingincertainpatternsthattelloth
4、erbeeswheretofindnectar(花蜜)forhoney.Sowhyshouldn’ttreeshavewaysofsendingmessage?1.Itcanbeconcludedfromthepassagethatcaterpillarsdonotfeedonleavesthat______.A.arelyingonthegroundB.haveanunpleasanttasteC.beesdon’tlikeD.haveanunfamiliarshape2.Thewillowtreedescribe
5、dinthepassageprotecteditselfby______.A.growingmorebranchesB.communicatingwithbirdsandbeesC.changingitsleafchemistryD.shakingcaterpillarsoff3.Accordingtothepassage,thewillowtreewasabletocommunicatewithothertreesby______.A.wavingitsbranchesB.givingoffaspecialsmel
6、lC.droppingitsleavesD.changingthecolourofitstrunkBItdoesn'tmatterwhenorhowmuchapersonsleeps,buteveryoneneedssomeresttostayalive.That'swhatalldoctorsthought,untiltheyheardaboutAlHerpin.AlHerpin,itwassaid,neverslept.Couldthisbetrue?Thedoctorsdecidedtoseethisstran
7、gemanthemselves.AlHerpinwas90yearsoldwhenthedoctorscametohishomeinNewJersey.Theythoughtforsurethathegotsomesleepofsomekind.Sotheystayedwithhimandwatchedeverymovementhemade.Buttheyweresurprised.Thoughtheywatchedhimhourafterhouranddayafterday.TheyneversawHerpinsl
8、eeping.Infact,hedidnotevenownabed.Heneverneededone.TheonlyrestthatHerpinsometimesgotwassittinginacomfortablechairandreadingnewspapers.Thedoctorswerepuzzledbythisstrangeconti