environment protection为题,写一篇作文啊
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environment protection为题,写一篇作文啊
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Today the quality of our natural environment has become an important issue.The world population is rising so quickly that the world has become too crowded.We are using up our natural resources and at ...
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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