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

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

游客2024-03-06  20
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] If the ozone layer is destroyed by car, what will happen?
选项
答案 The sunray will (be harmful to people and) cause cancer．
解析 根据题中的ozone我们可以知道这是有关第二个问题的，所以见第二段4-5句。
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