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  3. Although vehicles are becoming more and more important as the means of transport in modem life, why do they also cause many prob

Although vehicles are becoming more and more important as the means of transport in modem life, why do they also cause many prob

admin2009-04-23  55
问题 Although vehicles are becoming more and more important as the means of transport in modem life, why do they also cause many problems?
In the second paragraph, there are three problems mentioned by the author: they are
选项
答案traffic accidents，destruction of the ozone，people’s health．
解析 在第二段中：1-3句，4-5句，6-7句分别指出并说明了这三个问题。
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大学英语四级

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