英语演讲稿300字 关于绿色环保的
英语演讲稿300字 关于绿色环保的
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绝对要自己写的
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英语人气:761 ℃时间:2019-08-17 23:19:28
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Protection of the Environment Once man did not have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be unlimited.Today t...
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