同时出示教学卡片（单词与句子）让学生分层次操练后板书。

3、操练

让学生观看板书，老师指着图结合板书引导学生chant:

broken broken broken it's broken

heavy heavy heavy , it's big and heavy

pocket pocket pocket ,it's got two pockets

light light light , it's sall and light

Wheel wheel wheel it's got four wheels

4、选择包，引入课文，揭示课题

T: This is the blue bag ,it's big and light and it's got four wheels it's easy for me I'll take it thank you . Now please open yuor book and turn to page eighteen, let's lear n Module 5 Unit1 It's big and light (板书课题)

四﹑学习课文

1、 出示教学挂图，启发谈话

T:please l ook at Lingling's bag, What happen?

S: it's broken

T; Yes, she can't take it to China. Now let's learn Lingling how to buy a new bag

2、结合教学挂图，激趣引入问题：

1) Why does Ms Smart want to buy Lingling a new bag?

2) How many bags do they see?

3) Why don't they choose (选择) the black one?4) Which one do they choose? Why?

3、让学生听录音初步了解课文内容

4. Listen again and then answer the questions.

1) Why does Ms Smart want to buy Lingling a new bag?Because Lingling's bag is broken.

2) How many bags do they see?Three.

3) Why don't they choose (选择) the black one?It's (too) heavy.

4) Which one do they choose? Why?They choose the blue one. Because it's big and light, and it's got four wheels . and it's easy for her.

5. 模仿仿性操练活 (分组分角色朗读)

Ms Smart: Lingling, look at your bag! It's broken. You can't take it to China. I'll buy you a new one.

Lingling: Thank you.(At the Department Store)

Lingling: This black bag is nice. It's big!Ms Smart: But it's heavy. This green one is light. And it's got two pockets.

Lingling: But it's small.

Ms Smart: Look at this blue one. It's big and light.

Lingling: Oh yes!

Sales assistant: And it's got four wheels. It'll be easy for you.

Ms Smart: Great! We'll take it, please.

Lingling: Thank you very much

五、Practise

Look and say

the computer is showing the bags frome Presentation. Let the students are using the sentences: