问题标题：
已water为话题的作文提示词：precious,liquidgold,important,weneedwaterfor.,withoutwater
问题描述：
已water为话题的作文提示词：precious,liquidgold,important,weneedwaterfor.,withoutwater
关真珍回答：
Wateristhecommonnameappliedtotheliquidform(state)ofthehydrogenandoxygencompoundH2O.Purewaterisanodorless,tasteless,clearliquid.Waterisoneofnature'smostimportantgiftsandkindofliquidgoldtomankind.Essentialtolife,aperson'ssurvivaldependsondrinkingwater.Wecan'tlivewithoutwater.Waterisoneofthemostessentialelementstogoodhealth--itisnecessaryforthedigestionandabsorbtionoffood;helpsmaintainpropermuscletone;suppliesoxygenandnutrientstothecells;ridsthebodyofwastes;andservesasanaturalairconditioningsystem.Healthofficialsemphasizetheimportanceofdrinkingatleasteightglassesofcleanwatereachandeverydaytomaintaingoodhealth.
Waterisakeycomponentindeterminingthequalityofourlives.Today,peopleareconcernedaboutthequalityofthewatertheydrink.Althoughwatercoversmorethan70%oftheEarth,only1%oftheEarth'swaterisavailableasasourceofdrinking.Yet,oursocietycontinuestocontaminatethispreciousresource.Waterisknownasanaturalsolvent.Beforeitreachestheconsumer'stap,itcomesintocontactwithmanydifferentsubstances,includingorganicandinorganicmatter,chemicals,andothercontaminants.Manypublicwatersystemstreatwaterwithchlorinetodestroydisease-producingcontaminantsthatmaybepresentinthewater.Althoughdisinfectionisanimportantstepinthetreatmentofpotablewater,thetasteandodorofchlorineisobjectionable.And,thedisinfectantsthatareusedtopreventdisease,cancreatebyproductswhichmayposesignificanthealthrisks.Today,drinkingwatertreatmentatthepoint-of-useisnolongeraluxury,itisanecessity!Consumersaretakingmattersintotheirownhandsandarenowdeterminingthequalityofthewatertheyandtheirfamilieswilldrinkbyinstallingadrinkingwatersystemthatwillgivethemclean,refreshing,andhealthierwater.
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HerearesomeinterestingfactsaboutWhyWaterisImportant.
Waterisnecessarytoalllivingthings.
Waterisallaroundus,intheairandintheground.Itisinmilk,vegetables,fruit,meat,leaves,trunks,roots,andbranchesofatree;itiseveninstones.
Waterisusedformanythings:
Todrink:peopleshoulddrink8glassesofwatereachdaytostayhealthy.
Towashthings:dishes,cars,clothes,ourselvesasneeded.
Tocookthingsin(eggs,vegetables);touseinthingswecook(cakes,soup).
Toputoutfires.
Toplayin:pools,ponds,lakes,oceans;ortoplaywithwhenusinghoses,sprayers,orsprinklers.
Towaterplants,lawns,trees,bushes.
Totransportcargoandpeopleonshipsorboats.
Moreplantsandanimalsliveinwater(saltwaterorinfreshwater)thanonland.
Seventypercentoftheearthismadeupofwater.Hugebodiesofwatercanabsorbandstorelargeamountsofheatcomingfromthesunespeciallyduringdaytimeandthesummerseason.Duringthewinterandthenighttime,thegradualcoolingofwatercanwarmuptheair.Thispropertyofwaterhelpsstabilizethetemperatureoftheoceansthuscreatingafavorablehabitatformarinelife.
Becauseofwater鈥檚highspecificheat,itcankeeptheearth鈥檚fluctuationsintemperatureonlandoratseawithinlimitsthatisfavorableforlife.Sinceorganisms(animals,floralandfauna)aremadeupofwateraswell,theyaremorecapableofresistin
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