2. 外语
  3. A、Because they are not accustomed to it. B、Because they are not psychologically prepared for it. C、Because their genes differ fr

A、Because they are not accustomed to it. B、Because they are not psychologically prepared for it. C、Because their genes differ fr

admin2010-06-11  16
问题  
选项 A、Because they are not accustomed to it.
B、Because they are not psychologically prepared for it.
C、Because their genes differ from those who have been tested for it.
D、Because they are less sensitive to it than those who have been tested for it.
答案C
解析
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大学英语六级

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