2. 外语
  3. This passage is mainly about how the development of airline industry has affected the environment through its greenhouse gases e

This passage is mainly about how the development of airline industry has affected the environment through its greenhouse gases e

admin2009-09-12  51
问题 This passage is mainly about how the development of airline industry has affected the environment through its greenhouse gases emission.
In the past, aviation industry was the smallest source of greenhouse gases emission and thus did not attract people’s attention.
选项 A、Y
B、N
C、NG
答案C
解析 根据aviation，判断的信息在第一个部分。但是这部分内容没有提到最高级的内容，只有在第一部分的最后一段有一个比较级的内容，因此文中未提到此内容。
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大学英语四级

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