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最佳答案：Air pollution is one of the major problems of the modern world.A great deal of e
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最佳答案：To resolve to be from their own,bit by bit the little things.Such as:multi plant
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最佳答案：等一下，我正在写亲，对我的回答满意的话，就给个好评吧。如果还有不清楚的地方，可以跟我继续交流哦。是网上抄的吗？是网上抄的吗不是。。。抄的的话，特么你不决的有病可
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最佳答案：Air pollution is one of the major problems of the modern world. A great deal of
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最佳答案：we should reduce poisonous gas given off by factories automobiles Planting more
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最佳答案：Saving the EarthHow to protect the environment becomes one of the biggest proble