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Whyiscleanwatersoimportanttodevelopingcountries?Arece...
问题详情: Whyiscleanwatersoimportanttodevelopingcountries?Arecentreportshowsthatabout80percentofdiseasesindevelopingcountriesarecausedbypoorwaterandlowsanitation(卫生)conditions.Inthosecountries,women...