2. 外语
  3. A. our share of resources B. a biological creature C. a given area D. the maintenance of the ecosystem E. the source of food F.

A. our share of resources B. a biological creature C. a given area D. the maintenance of the ecosystem E. the source of food F.

admin2014-03-28  35
问题 A. our share of resources B. a biological creature
C. a given area D. the maintenance of the ecosystem
E. the source of food F. various species
In an ecosystem, plants, animals and humans live together in______.
选项
答案C
解析 根据第一段第一句话“An ecosystem is where living creatures expand within a given area．”可知，生态系统就是所有生物在一个给定区域共存，所以本题选C。
转载请注明原文地址:https://jikaoti.com/ti/pN6sFFFM
本试题收录于： 职称英语理工类C级题库职称英语分类
0

职称英语理工类C级

职称英语

相关试题推荐
随机试题
最新回复(0)