题目

帮我写一篇关于环保的文章
有关环境保护,人体健康.比如上海的汽车的尾气之类的.字数在200-300字就可以了.
能不能短一点的。

提问时间：2021-02-22

答案

Once man did not have to think about the protection of his environment.There were few people on the earth,and natural resources seemed to be unlimited.Today things are different.The world has become t...