Mancanonlydrinkandusetheother3%--thefreshwaterthatcomesfromrivers,lakes,underground,andothersources.Andwecannotevenuseallofthat,becausesomeofitisintheformoficebergsandglaciers.Evenworse,someofithasbeenpolluted.
However,asthingsstandtoday,thissmallamountoffreshwater,whichisconstantlybeingreplacedbyrainfall,isstillenoughforus.Butourneedforwaterisincreasingrapidly--almostdaybyday.Onlyifwetakestepstodealwiththisproblemnowcanweavoidasevereworldwidewatershortagelateron.
Alimitedwatersupplywouldhaveabadeffectonagricultureandindustry.Letmegiveyoujustonesmallexampieofhownecessarywateristoindustry.Didyouknowthattoproduceasingletonofsteel,ittakesabout91,000litersofwater
Weallhavetolearnhowtostopwastingourpreciouswater.Oneofthefirststepsweshouldtakeistodevelopwaysofreusingit.Experimentshavealreadybeendoneinthisfield,butonlyonasmallscale.Forus,thesystemsareasimportantasthespacecraft.初中生英语作文300字
Asearlyasreadinggradethree,IsawsuchasetofdataontheInternet:accordingtostatistics,Chinaspercapitawateramountaccountedfor1/4oftheworld.Inthe600citiesofthecountry,thereweremorethan400citieswithinsufficientwatersupply,ofwhich110citiesweremoreserious,andtheannualtotalofthenationalcitieswas6billioncubicmeters.ExpertspredictthatChinaspopulationwillreachthe1billion600millionpeakin2030,whenthepercapitawaterresourceisonly1750cubicmeters.Chinawillbecomeaseriouswatershortagecountry.
Withoutwaterourworldwouldnotbesovigorous;withoutwater,wewouldhavenogreenmeadows,aboundlesssea;withoutwater,wewouldhavenobeautifulmountains;withoutwater,wewouldnothaveseenanduntouchedwhiteclouds.
Iwasinmygrandmothershouseforthesummervacation.Once,mygrandmotheraskedmetohelpherwashherdishes.Iwasjustpickingoutrottenvegetablesandforgettingtoturnoffthetap,andthewatercameoutofthefaucet.Whensomeonetookaphotoofmeontheshoulder,Ilookedback.Itturnedouttobegrandma.Isawhersay,"howcanyouwastewatersomuch"Ireplied,"anyway,waterisalsoendless.Itsokay.""WhosayswaterisendlessTherearemorethan400watershortagesin600citiesofthecountry,ofwhich110arequiteserious."Thegrandmotherreplied.Myfacewasred,angrilytoturnthewateroff.
Iwasveryanxioustoseethosewastedwater.ThereshouldbemanywaystosavewaterontheInternet.Iguess.Afteropeningthecomputer,Ireallyexpectedthatthewayofsavingwaterislikestone.Ithinkthemostimportantthingisthese:
First,inthebath,abathwhenliquidandcreamshampoo,tothewaterheaterfaucetclosed,thenopenthehubwhen.
Two,theleftoverteadoesntneedtobepouredout,itcanbeusedtowipethetable.
Three,watercanbeusedtowashthetoilet.
Four,whenthequantityoflaundryissmall,donotusethewashingmachineandwashwithhandsasmuchaspossible.
Thesemethodsarebothsimpleandapplicable.AlthoughIrememberonlyfour,theyhavesavedourfamilyalotofwater.
Youknow,youneedtodoit.Theplanisimplementedfromnowon.Startwithmefirst.EverytimeItakeabath,IturnoffthefaucetwhenIplaythebathliquidandturnitonwhenIwashit.Mymotherlikesteaverymuch,buttherearealwaystealeft.Ipourtherestoftheteaonthetowelandwipethetable.Afterwashingthewater,Iusedtoflushthetoilet.Thefourthwayistotellmommore.
Itoldthefourfamilymembersandmyuncleagain.Amonthlater,thewatermetersauntcametocheckthewatermeter.Itdidntreallycostmemuch.Itsavedalotofwaterthanlastmonth.Myuncletoldmethatafterwashingthetablewithtea,theairinthefamilywasmuchfresherandsavedalotofwater.
Itisasmallactthatwillsavethetwofamilysomuchwater,andifallpeoplecandoit,wewillnolongerbeoutofwater.初中生英语作文300字
Asweknowwaterismadeupofourlife,wecouldnotleavewithoutwater.Nowaterwillnowe.
Waterisneededmoreandmore,becauseourindustryandagricultureproducedevelopedfast.Somewherewaterarescare,andsomeriversarenowaterinthem.Butjustlittlewaterispolluted,morewastewaterdidnothandledanddischargeintoriver.
Aroundustherearealotofstudentsdon'tpayattentiontosavewater,forexample:aftertheywashingtheirfaceandrinsingthemouth,theydon'tturnoffthewatertap.Letthewaterflowingdayandnight.Whatapity!