知识问答
最佳答案：Haw to Be a Greener PersonI want to be a greener person.We should do something u
最佳答案：How should we protect our environment?In my opinion, I think we should not use t
最佳答案：Now, our side of the car constant more up, the environment also increasingly wor
最佳答案：The SongHua river has been polluted last week.The goverment has stopped the tap
最佳答案：您好：Environmental problems are becoming more and more serious all over the world.
最佳答案：It’s our duty to save water（节约水是我们每个人的责任.） As we know , water is very important
最佳答案：Today our environment is a very important problem.Rveryone shouid protect the en
最佳答案：With the improvement of our living standard, more and more people can afford a c
最佳答案：How to protect/save our environment/world?The environmental pollution is worse a
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