Step 4 Free talk: Do you like the job as an airport health inspector ? Why or why not? Suppose you were Mary Buendia, invent an interesting experience about animals.

• 说明：让学生成为文中的主人公，谈出自己的想法。既是对文章内容的复习，也能够培养学生积极运用所学词汇和句式的习惯。