2017职称英语考试综合类A模拟题：阅读理解[权威资料].docVIP

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的位置上。 第一篇 　　Endangered Species 　　Endangered species are plants and animals that are in immediate danger of extinction. 　　Extinction is actually a normal process in the course of evolution. Since the formation of the earth,many more species have become extinct than those exist today. These species slowly disappeared because of change of climate and their failure to adapt to such conditions as competition and predation. Since the 1 600s, however, the process of extinction has greatly accelerated as a result of both human population growth and technological encroachment on natural ecology systems. Today the majority of the worlds environments are changing faster than the ability of most species to adapt to such changes through natural selection. 　　Species become extinct or endangered for number of reasons, but the primary cause is the destruction of natural habitats. Drainage of wetlands, cutting and clearing of forests, growth of cities, and highway and dam construction have seriously reduced available natural habitats. As the various surroundings become fragments, the remaining animal population crowd into smaller areas,causing further destruction of natural surroundings. Species in these small islands lose contact with other populations of their extinction. 　　Some private and government efforts have been organized to save declining species. Laws were made in some countries in the early 1 900s to protect wild animals from commercial trade and killing. International endeavors are shown in the convention on International Trade in Endangered Species, approved by 51 nations. Its purpose is to restrict exploitation of wild animals and plants by regulating and rest