Waterisveryimportanttous.Ifyoudon’thavewaterforthreedays,youwilldie.Wecanusewaterforflowers,swimming,washingandmanydifferentthings.Weuseittocook,makeelectricity,andputoutfiresandsoon.Weusemillionsoflitersofwatereveryday.

　　Doyouknowhowdoesthewatercometoyourhome?Ittravelsthroughwaterpipes.Somearelongandwidebutsomeareshortandnarrow.Thenthewatertravelsthroughthewaterpipestothereservoirs.Thenittravelsthroughthewaterpipestotheriverandtothespecialfactoriesthatpurifythewater.Whenthewaterispurified,wecandrinkit.Pleasedon’tleavegarbageinthewateronwhichweline,andkeepthewaterclean.

　　水对我们很重要.如果没有水,不出三天,你就会死的.我们可以用水游泳,洗涤和做许多不同的事情.我们用它做饭,发电,和扑灭火灾等.我们每天使用数百万公升的水.

　　你知道水是如何来到您的家吗?它穿越水管.有些是长而宽的,但有些是短而细的.然后通过水管到达水库.然后通过河流和专门用来净化水的工厂.当水净化后,我们可以喝它了.请不要丢垃圾到水中,因为水是我们的生命线,我们要保持水的清洁.