Waterisessentialtolivingthings.Forinstance,ifthereisnoenoughwaterinahumanbody,apersonmayfeeluncomfortableorgetsickeasily.Tomakemattersworse,onemaydieofthirst.Similarly,plantsmaywitherordieforlackofwater.Itisapparentthatalllivingthingsneedwatertokeepalive.

　　Judgingfromtheimportanceofwater,weshouldknowhowtoconservewater.Thefirstthingistostoppollutingwaterbecausewhatwereallyneediscleanwater.Atthesametime,besuretoturnoffthefaucetimmediatelyafterusingwater.Andweshouldmakeefficientuseofwatertoavoidwastingit.Onewayistorecycleasmuchwateraspossible.Tosumup,weshouldeconomizeonwatersoastomaintaintheabundanceofwater,whichisanindispensableelementoflife.