Dolphin（海豚）ismyfavouriteanimal.Itisoneofthemostpreciousanimals.Theirbodiesareverylong,aboutonezhang（丈）.Dolphinsliveinthesea.Theyliveonfish,shrimpsandsoon.Dolphinsareveryfriendlyandpeaceful.Theyneverattackpeople.Instead,theyhavesavedmanypeopleindangerinthepastyears.Howhelpfulthedolphinsare!Dolphinsareveryclever.Peopleoftentrainthemsothattheycangiveadolphinshowwhichbringspeoplealotofhappinessandjoy.

　　Unluckily,thenumberofdolphinsisgettingsmallerandsmaller.Becauseofwaterpollution,thereislessandlessspacefordolphins.Manypeoplemakemoneybyhuntingdolphins.Ifwedon’tprotectthem,maybewe’llloseourgoodfriendsoneday.Asastudent,Ihopemoreandmorepeopleshouldtakeactionstoprotectdolphins