Although vehicles are becoming more and more important as the means of transport

游客2024-03-06  23

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? [br] In the second paragraph, there are three problems mentioned by the author: they are

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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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