2017职称英语考试综合类a模拟题：阅读理解[权威资料]

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1、2017职称英语考试综合类A模拟题：阅读理解本文档格式为WORD,感谢你的阅读。最新最全的学术论文期刊文献年终总结年终报告工作总结个人总结述职报告实习报告单位总结演讲稿2017职称英语考试综合类A模拟题：阅读理解　　不少考生开始备考2017年职称英语，为了帮助大家更好地备考职称英语考试，网提供了相应的练习题，以下是职称英语考试综合类A模拟题：阅读理解，供大家练习。　第4部分：阅读理解(第31——45题，每题3分，共45分)　　下面有3篇短文，每篇短文后有5道题。每道题后面有4个选项，请仔细阅读短文并根据短文内容回答其后面的问题，从4个选项中选择l个最佳答案涂在答题卡相应

2、的位置上。第一篇　　EndangeredSpecies　　Endangeredspeciesareplantsandanimalsthatareinimmediatedangerofextinction.　　Extinctionisactuallyanormalprocessinthecourseofevolution.Sincetheformationoftheearth,manymorespecieshavebecomeextinctthanthoseexisttoday.Thesespeciesslowlydisappearedbecauseofchangeofc

3、limateandtheirfailuretoadapttosuchconditionsascompetitionandpredation.Sincethe1600s,however,theprocessofextinctionhasgreatlyacceleratedasaresultofbothhumanpopulationgrowthandtechnologicalencroachmentonnaturalecologysystems.Todaythemajorityoftheworld'senvironmentsarechangingfasterthanthea

4、bilityofmostspeciestoadapttosuchchangesthroughnaturalselection.　　Speciesbecomeextinctorendangeredfornumberofreasons,buttheprimarycauseisthedestructionofnaturalhabitats.Drainageofwetlands,cuttingandclearingofforests,growthofcities,andhighwayanddamconstructionhaveseriouslyreducedavailablen

5、aturalhabitats.Asthevarioussurroundingsbecomefragments,theremaininganimalpopulationcrowdintosmallerareas,causingfurtherdestructionofnaturalsurroundings.Speciesinthesesmall"islands"losecontactwithotherpopulationsoftheirextinction.　　Someprivateandgovernmenteffortshavebeenorganizedtosavedec

6、liningspecies.Lawsweremadeinsomecountriesintheearly1900stoprotectwildanimalsfromcommercialtradeandkilling.InternationalendeavorsareshownintheconventiononInternationalTradeinEndangeredSpecies,approvedby51nations.Itspurposeistorestrictexploitationofwildanimalsandplantsbyregulatingandrestri

7、ctingtradeincertainspecies.Howeffectivesuchlawswillbeinvariouscountries,however,dependsonenforcementandsupportbythepeopleandthecourts.Becauseoflackoflawenforcement,thewillingnessofsomesegmentsofsocietytotradeinendangeredspecies,theactivitiesofpeoplewhocatchandkillanimalsi