Waterisveryimportanttous.Ifyoudon’thavewaterforthreedays,youwilldie.Wecanusewaterforflowers,swimming,washingandmanydifferentthings.Weuseittocook,makeelectricity,putoutfiresandsoon.Weusemillionsoflitersofwatereveryday.
Doyouknowhowdoesthewatercometoyourhome?Ittravelsthroughwaterpipes.Somearelongandwidebutsomeareshortandnarrow.Thenthewatertravelsthroughthewaterpipestothereservoirs.Thenittravelsthroughthewaterpipestotheriverandtothespecialfactories(wecallwaterplants)thatpurifythewater.Whenthewaterispurified,wecandrinkit.Pleasedon’tleavegarbageinthewateronwhichweline,andkeepthewaterclean.
Waterisessentialtolivingthings.Forinstance,ifthereisnoenoughwaterinahumanbody,apersonmayfeeluncomfortableorgetsickeasily.Tomakemattersworse,onemaydieofthirst.Similarly,plantsmaywitherordieforlackofwater.Itisapparentthatalllivingthingsneedwatertokeepalive.
Judgingfromtheimportanceofwater,weshouldknowhowtoconservewater.Thefirstthingistostoppollutingwaterbecausewhatwereallyneediscleanwater.Atthesametime,besuretoturnoffthefaucetimmediatelyafterusingwater.Andweshouldmakeefficientuseofwatertoavoidwastingit.Onewayistorecycleasmuchwateraspossible.Tosumup,weshouldeconomizeonwatersoastomaintaintheabundanceofwater,whichisanindispensableelementoflife.
可能对初一的有些难,改改吧