2. 外语
  3. A、Their taming for circuses and zoos. B、The destruction of their natural homes. C、Man’s lack of knowledge about their behavior.

A、Their taming for circuses and zoos. B、The destruction of their natural homes. C、Man’s lack of knowledge about their behavior.

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问题  
选项 A、Their taming for circuses and zoos.
B、The destruction of their natural homes.
C、Man’s lack of knowledge about their behavior.
D、The greater vulnerability to extinction than other species.
答案B
解析
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大学英语六级

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