e.g: A ：It's heavy . B ：It's the green bag. 要求生B一边指一边说。

【设计意图】通过合作学习，相互促进，并且使句型和单词得到巩固和加强，达到会说的目的。

Step5．Homework

1、Read the text three times, and act it out.

2、Write something about your school bag.

【设计意图】让学生运用所学的单词和句型进行描述，拓展到课外，贴近学生的生活，使他们把英语渗透到生活中。

Step6．Class is over

T: Time is up ,boys and girls. You did a good job. That's all for today. Bye--Bye!