This passage is mainly about how the development of airline industry has affecte

游客2024-03-03  23

问题 This passage is mainly about how the development of airline industry has affected the environment through its greenhouse gases emission. [br] Many airlines are having less profit today although there are more demand for air travel.

选项 A、Y
B、N
C、NG

答案 A

解析 根据Frequent traveler,free rider部分的第一段信息可以判断此题符合文章的内容。
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