知识问答
最佳答案:Now people don't cherish water. They pour the used dirty water casually. The fac
最佳答案:Some people don't realize the importance of water,they always dump trashes into
最佳答案:Some people haven't realized the importance of water and often put trash into ri
最佳答案:It' s a pity that you can't go with us.We should stop that factory from pollutin
最佳答案:1.My hometown has a population of ninty thousand.There is a hospital ,two factor
最佳答案:There is a small river in my hometown. Two years ago, in a chemical factory was
最佳答案:1.大量的树木被砍伐,森林越来越少:A lot of trees will be cut down, and the forest less and less