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最佳答案：The SongHua river has been polluted last week. The goverment has stopped the tap
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最佳答案：Water pollution is a serious problem threatening the survival of human beings, p
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最佳答案：Water PollutionEverybody knows that there is serious problem of water pollution
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最佳答案：Once man did not have to think about the protection of his environment. There we
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最佳答案：With the development of industry, lots of waste water is poured in the Changjian
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最佳答案：The water here is polluted seriously,so is the air.It is just because human bein
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最佳答案：WaterWater is recognized as the source of life. However, this source is in troub
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最佳答案：大气、水（河,湖海）、固体废弃物、哎,忘了,高考后什么都忘了……
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最佳答案：节约用水由我做起水,是人类生命的源泉.没有水,人无法生存,万物不能生长,世界将不会如此多姿多彩.因此,节约用水必须由我做起,从小做起,也是每个人应尽的义务和职责
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最佳答案：Our life without water.Water is now really on the decline,water pollution.We sho