关 键 词： 小学二年级 150字
字 数： 150字作文
本文适合： 小学二年级
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本作文是关于小学二年级150字的作文，题目为：《About Trees》，欢迎大家踊跃投稿。
Ladies and gentlemen, I want to say something about trees As we know now trees are very important to human beings First of all, they benefit our health They send out oxygen for us to breathe We can't live without treesSecondly, trees can beautify our environment As trees are so important, we must do our best to protect them We must enforce the tree protection laws We must plant as many trees as possibleOnly in this way can we live happily in the beautiful world