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Lifeonearthdependsonwater,andthereisnosubstituteforit.T...
问题详情:Lifeonearthdependsonwater,andthereisnosubstituteforit.Thecurrentassumptionisthatourbasicneedsforwater—whetherfordrinking,agriculture,industryortheraisingoffishwillalwayshavetobemet.Giventhatpre...