2. 外语
  3. The survival ______ of some wild animals is not very high as they are ruthlessly hunted for their skins.

The survival ______ of some wild animals is not very high as they are ruthlessly hunted for their skins.

admin2011-02-26  49
问题 The survival ______ of some wild animals is not very high as they are ruthlessly hunted for their skins.
选项 A、standard
B、scale
C、ratio
D、rate
答案C
解析
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