关于环保的英语作文：环保范文(2)
时间:2013-10-22 10:42 来源:未知 作者:高中作文网 点击:次
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Our natural resources will last longer if we learn to recycie them. The world population will not rise so quickly if people use modern methods of birth control. Finally, if we educate people to think about the problems we shall have a better and cleaner planet in the future. (责任编辑：admin) |