2. 外语
  3. Populations have 3 agents, namely, a birth rate, a death rate, and a growth rate. Animals can not survive some catastrophic eve

Populations have 3 agents, namely, a birth rate, a death rate, and a growth rate. Animals can not survive some catastrophic eve

admin2012-11-30  65
问题 Populations have 3 agents, namely, a birth rate, a death rate, and a growth rate.
Animals can not survive some catastrophic events such as starvation, disease, or competition from other species.
选项 A、Y
B、N
C、NG
答案C
解析 参见文章第2段第3句：However，eventually reach the upper limits of the resources；they then decline sharply because of some catastrophic events such as starvation，disease，or competition from other species．其中并没有提及animals can not survive 之类的问题。
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大学英语六级

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