英文作文改正
这是一篇我写的动物的小论文,要交上去平凡,但是其中有很多不足的地方,我自己又不知道在哪,欢迎大家来找茬!
Polarbear
Draft:
Polarbearsareoneofthelargestcarnivoresintheworld;theirfuristhickerthananyotherbears.Itevencoverstheirfeetwhileprovidewarmthandtractionontheice.Afteraperiodofmolting,theirfurwillchangecolorfrompurewhitetoayellowishshade.Theyalsohaveblackskin,nose,lipsandalongneck.Inthenaturalcourseofevents,adultmalescanreach550-1700lbsandfemalescanreach200-700lbsinweight,andgrowupto8to10feettall.Theoldestpolarbear,asfaraspeopleknow,hadlived45years.estimatedthattherearebetween20,000and25,000polarbearsintheworld.
2location+diet
ThemostimportanthabitatforpolarbearsistheedgeofthepackiceintheArctic.ThroughoutthisregionwhichincludesAlaska,Canada,andRussia,etc.Polarbearstravelthemajorityoftimethroughouttheyearinsearchofprey,whichconsistsmainlyofringedsealsandbeardedseals.
3behaviour(reproduction)
Polarbearsexhibitseveraldifferentaspectsofbehavior.Firstlytheyareusuallyactiveatthestartandendofaday.IntheCanadianArctic,adultfemalepolarbearspendmuchoftheirtimeduringspringandsummary,whileadultmalepolarbearshunt.Whennothunting,bearsoftenspendlongperiodsrestingandsleeping.Itisworthmentioningthatwhentheyhaveasleep;polarbearscurlupandcovertheirmuzzleareaoncolddaystoprotectthemselves.Ofcourse,humanbeingsalsoneedtonoticethat,bears,especiallymotherbears,usuallyattackhumanswhentheyarehungryandtheyhavetofeedtheiryoung.