A tree has three main parts, the roots, the branches and the leaves. Under the ground, the roots spread out so that the tree can stand firm. Above the ground, the roots form the trunk, and the trunk supports the branches. Near the top of the tree, the trunk divides into branches. At the top of the tree, the leaves grow out of the branches. The leaves receive sunlight to help the whole tree grow.
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good
(
ll
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10/26/2007 21:43:33
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我觉得英语很难学啊！！！！
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１２３
,
06/05/2007 21:36:35
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英语很难学啊！！！教授们教教我怎么学会英
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学生
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06/05/2007 21:37:48
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有什么办法让我更快学好英语?
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05/26/2007 21:52:20
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