Trees provide oxygen,shelter for many animals and shade for our humans.They also protected soil 找文章,急.

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Treesprovideoxygen,shelterformanyanimalsandshadeforourhumans.Theyalsoprotectedsoil找文章,急.Treesprovide

Trees provide oxygen,shelter for many animals and shade for our humans.They also protected soil 找文章,急.
Trees provide oxygen,shelter for many animals and shade for our humans.They also protected soil
找文章,急.

Trees provide oxygen,shelter for many animals and shade for our humans.They also protected soil 找文章,急.
树可以制造氧气.遮蔽动物也为人类遮阴,还能保持土壤.

http://www.life123.com/question/What-Do-Trees-Provide 第一篇 就是你能把文章复制给我吗Trees provide oxygen, shelter for many animals and shade for us humans. Many trees also provide food such as nuts and fruit for t...

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http://www.life123.com/question/What-Do-Trees-Provide 第一篇 就是

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