资源描述:
《阅读理解之科普知识》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、2013-2014学年度???学校9月月考卷学校:___________姓名:___________班级:___________考号:___________三、阅读理解(题型注释)WhenyouwatchTVprogramsaboutwildanimals,itissurprisingtoseehowanantelope(羚羊)canrunawayfromastronglion.Inthewilderness,everyonehashisownwaytoprotecthimself.Evenplantshavetheirownwaystofigh
2、toffenemies.Overmillionsofyears,plantshavedevelopedtheirowndefensesystem(防卫系统).Chemicalsarefantasticallyusedbyplantstosurvive(幸存).Bymakingtheirleaves,flowers,rootsandfruitspoisonous(有毒的)toenemies,plantscanfightback.OnesuchplantistheGoldenWattletree.TheBritishscientistDavidCam
3、eronhasfoundwhenananimaleatsthetree’sleaves,theamount(数量)ofpoisonincreasesintheotherleaves.“It’sliketheinjuredleavestelephoningtheotherstofighttogetheragainsttheenemy,”hesaid.Thetreealsosendsdefensemessagestoneighboringplantsbygivingoutaspecialsmell.GoldenWattletreesinthenear
4、by45meterswillgetthemessageandproducemorepoisonwithin10minutes.Now,ifanenemyeatstoomanyofthetrees’leaves,hewilldie.Everykindofplantortreeisgoodatproducingaspecialsetofchemicals.Herbivores,likerabbits,cansafelyeattheleavesofonetree,buttheymaybepoisonedbyitsneighbor.Inthisway,p
5、lantshavenotonlydevelopedtheirowndefensesystem,butalsoshareditwithothers.Thismakesitimpossibleforasingleanimaltodestroyevenasmallareaofforest.1.Fromthefirst2paragraphs,wecanlearnthat_________.A.plantscandonothingagainsttheirenemiesB.chemicalsarequiteusefulforplantstosurviveC.
6、anantelopecanalwaysrunawayfromastronglionD.leaves,roots,flowersandfruitsofplantsarepoisonous2.IfanimalseatoneGoldenWattletree’sleaves,thetreecan________.A.killtheanimalswithaspecialsmellB.tellothertreestocometoprotectitC.warnothertreesagainsttheanimalsonthephoneD.senddefensem
7、essagestotheneighboringplants3.Theunderlinedword“herbivores”inthe5thparagraphprobablymeansanimalswhich_____.A.producepoison B.liveonsmallanimalsC.liketoeatrabbits D.feedonplantsorgrass4.Thelastparagraphofth
8、epassagesuggeststhatthiskindofdefensesystemis________.A.badforanimal