waterisimportant，notonlytothehumanbeings，butalsotoallthecreatures。wedaresayallofthelivescannotsurvivewithoutwater。whatmakesusmoreandmoreworriedisthatwateronourplanetisb(你阅读的文章来自：m.glzl8.com)ecominglessandless。besides，wehavetobefacedwiththewaterpollution。itisreallyabigproblem。inordertoliveonthisplanet，wehumanbeingsshoulddealwiththeproblemseriously。everyoneshoulddohisbesttosaveandprotectwatersource。