2. 外语
  3. According to the passage, fighting against greenhouse effect successfully requires ______. In December 2004, Science declared i

According to the passage, fighting against greenhouse effect successfully requires ______. In December 2004, Science declared i

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问题 According to the passage, fighting against greenhouse effect successfully requires ______.
In December 2004, Science declared in an essay that ______.
选项
答案human activities were heating Earth’s surface
解析 根据题干In December 2004，Science declared可定位到文章第二段第三句，引用科学杂志的评论表示人类的活动正在使地球表面升温。
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大学英语六级

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