Theworldisnothungry的精选

问题详情：阅读表达;阅读短文，根据要求完成下面各个小题。Theworldisnothungry，butitisthirsty．Itseemsstrangethatnearly3／4oftheearthiscoveredwithwaterwhilewesayweareshortof（短缺）water．Why？Becauseabout97％ofwaterontheea...