what are trees uesful for?英语作文.60字
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what are trees uesful for?英语作文.60字
答案
Trees are good for the environment.They are "sponges" for CO² and help reduce many pollutants in the atmosphere.Large trees also give shelters to hundreds of birds,they provide shade to the weary...
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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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