知识问答
最佳答案：We know the sounds of cities are loud enough to cause great harm to people's hea
最佳答案：we know the sounds of cities are loud enough to cause great harm to people's hea
最佳答案：Noise Pollution 噪音污染Noise is among the most pervasive pollutants today.Noise fro
最佳答案：fistly,thanks for the school to give us a good environment.but,We alway know the
最佳答案：Look, this is a photo of my family. There are six people in the photo. The two p
最佳答案：Some natural disaster is hard to resist,but some natural disaster like acid rain
最佳答案：Once man did not have to think about the protection of his environment. There we
最佳答案：Dear XXX:I am the senior school student who lives in your opposite apartment.I a
最佳答案：Hello,I'm Wei Fang manager I bought a washing machine in your store last week.Ju
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