waterisimportant，notonlytothehumanbeings，butalsotoallthecreatures。wedaresayallofthelivescannotsurvivewithoutwater。whatmakesusmoreandmoreworriedisthatwateronourplanetisb(你閱讀的文章來自：m.diyifanwen.com)ecominglessandless。besides，wehavetobefacedwiththewaterpollution。itisreallyabigproblem。inordertoliveonthisplanet，wehumanbeingsshoulddealwiththeproblemseriously。everyoneshoulddohisbesttosaveandprotectwatersource。