To sum up.man should make good use of water,or we will have no fr_英语解答

To sum up.man should make good use of water,or we will have no fresh water to use one day.
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人气：161 ℃　时间：2020-02-03 20:23:53

解答

总之,人类应善用水资源,否则终有一天淡水资源会枯竭殆尽