About Trees（关于树）150字

　　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。

About Trees（关于树）字相关文章：

★ About Trees（关于树）150字

★ About Yourself(关于你）100字

★ About People(关于人们)250字

★ About LinYu（关于淋雨）100字

★ Facts about elephant（关于大象的知识）150字

★ About Examinations（关于考试）350字

★ About Trees（关于树）100字

★ About Beijing-关于北京400字

★ About John（关于 John）450字

★ About me（关于我）100字