2. 外语
  3. According to the passage, fighting against greenhouse effect successfully requires ______. The emission-trading program would e

According to the passage, fighting against greenhouse effect successfully requires ______. The emission-trading program would e

admin2009-04-23  52
问题 According to the passage, fighting against greenhouse effect successfully requires ______.
The emission-trading program would encourage factories ______.
选项
答案cut their emissions below the limits
解析 根据题干emission-trading program可定位到文章末段三、四句。根据理解可推断出答案。
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大学英语六级

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