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高中英文示范作文说明篇HowtoRaiseFishesFishesarebeautiful.Raisingfishesisanart.Fishesshouldbekeptinaglasscontainerwhichcontainswaterandalayerofsand.Waterplantsshouldbeputinit.Whenwintercomes,thecontainershouldbeputwhereitiswarm.Thewatershouldbekeptatthetemperatureof20°C.Thefishesshouldbefedregularlyeverydayandthewatershouldbechangedonceaweek.Bydoingsopeoplebecomepatientanddevelopagoodhabitofkeepingregularhours.WaterWaterisveryimportantforlivingthings.Withoutwatertherecanbenolifeonearth.Allanimalsandplantsneedwater.Manalsoneedswater.Waterisfoundalmosteverywhere.Eveninthedriestpartoftheworldthereissomewaterintheair.Water,whichyouhavefoundout,maybeasolid,oraliquidoragas.Whenitisasolid,itmaybeashardasabrick.Whenitisaliquid,youcanpouritoutofacontainer.Whenitisagas,youcannotseeitorfeelit.Althoughabout70percentoftheearth’ssurfaceiscoveredbywater,therearemanyplacesintheworldstillrunningoutofwater.Soweshouldmakegooduseofwateronearth.AntarcticaAntarctica,whichisthecoldestcontinentintheworld,liesintheextremesouthoftheearth.Ithasanareaofabout140000squarekilometres.Itiscoveredwithcoldthickiceanddeepsnowallyearlong.Butitisaveryrichcontinent.Ithasmanywell-knownanimalssuchaspenguins,whalesanditisalsorichinmineralresourcesincludingiron,coalandsoon.Uptonowonlysomevisitingscientistslivethere.Maybeonedaylotsofhouseholdswilllivethere.