狗 　　dog,itisourgoodfriend.Italsoisourgoodpartner.Ithelpsustolookafterourhousewhenweareout.Itcanlistentoyouwhenyouwanttopouroutsomeborings.Ithasaveryingeniousnose.Itcansmellmanyscents.Itoftenhelpthepolicemantofindthestealing.Dogisveryclever. 　　海豚 　　Dolphinisoneofthemostpreciousanimals.Theirbodiesareverylong,aboutonezhang（丈）.Dolphinsliveinthesea.Theyliveonfish,shrimpsandsoon. 　　Dolphinsareveryfriendlyandpeaceful.Theyneverattackpeople.Instead,theyhavesavedmanypeopleindangerinthepastyears.Howhelpfulthedolphinsare! 　　Dolphinsareveryclever.Peopleoftentrainthemsothattheycangiveadolphinshowwhichbringspeoplealotofhappinessandjoy. 　　Unluckily,thenumberofdolphinsisgettingsmallerandsmaller.Becauseofwaterpollution,thereislessandlessspacefordolphins.Manypeoplemakemoneybyhuntingdolphins.Ifwedon’tprotectthem,maybewe’llloseourgoodfriendsoneday.Asastudent,Ihopemoreandmorepeopleshouldtakeactionstoprotectdolphins. 　　乌龟 　　Tortoisewalknotfast.ButIlikethetortoise.Why?Because,tortoiseisacuteanimal.Ithaveashorttailandafourshortfoot.Ithavealittleheadandahardshell.Theyareforty-fivelittleandcutetortoiseinMyhome.Theyliketoplayinthewater.Whentheyafraidsomething.Theywallrunfast.Theyliketoeatthefish.Ioftenbuysomesmallfishtothemtoeat.Theycancatchthefishfast.First,theyfake(假)sleep.Whenthefishswimneartheymouth.Theycatchthefishfastandbitthefishhead.So,thefishdie.Theycaneatthefish.Inwinter.Theyliketosleepinthesand.Whentheysleep,theydon’teatanyfood.Becausetheywallhibernation.But,whentheyarethirsty.Theycomeoutofthesand.So,wemustgivewatertothemtodrink.