2、adandwrite1.师:Today,let’sgettoknowtwokindsofwhales,spermwhalesandkillerwhales.让学生仔细看图,然后提问:Howlongarethey?Howheavyarethey?Let’sreadandanswer.2.学生四人一组阅读文段回答师提出的问题。3.师指着图中的Killerwhale的牙齿问:Howmanyteethdotheyhave,doyouknow?Howlongiseachtooth?学生根据文段的内容回答。师接着问:Howmanyteethdoyouhave? Ho