Dolphinismyfavouriteanimal.Itisoneofthemostpreciousanimals.Theirbodiesareverylong,aboutonezhang（丈）.Dolphinsliveinthesea.Theyliveonfish,shrimpsandsoon.Dolphinsareveryfriendlyandpeaceful.Theyneverattackpeople.Instead,theyhavesavedmanypeopleindangerinthepastyears.Howhelpfulthedolphinsare!Dolphinsareveryclever.Peopleoftentrainthemsothattheycangiveadolphinshowwhichbringspeoplealotofhappinessandjoy. 　　Unluckily,thenumberofdolphinsisgettingsmallerandsmaller.Becauseofwaterpollution,thereislessandlessspacefordolphins.Manypeoplemakemoneybyhuntingdolphins.Ifwedon’tprotectthem,maybewe’llloseourgoodfriendsoneday.Asastudent,Ihopemoreandmorepeopleshouldtakeactionstoprotectdolp