2. 外语
  3. A、They could be a sign of global warming. B、They are disturbing Antarctic bird habitats. C、They have destroyed research faciliti

A、They could be a sign of global warming. B、They are disturbing Antarctic bird habitats. C、They have destroyed research faciliti

admin2022-12-08  55
问题
选项 A、They could be a sign of global warming.
B、They are disturbing Antarctic bird habitats.
C、They have destroyed research facilities.
D、They refute current scientific theories.
答案A
解析
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大学英语四级

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