打开盒子，展示：

T: Is it a dog?

Ss: Yes, it is.

2）拿出另一件东西, 只露着尾巴：Look, Is it a dog？

S1: Yes, it is./ No, it isn't.

S2: Yes, it is./ No, it isn't.

打开盒子，展示：

T: Is it a dog？

No, it isn't.

T: What's this?

S1: It's a fox.

Write " fox" on the Bb. Then teach.

3、 Presentation:

1) You did a very good job. So, let's enjoy an interesting story.

CAI shows picture 1

Look, what's this? Can you guess?

How do Daming and Sam guess? Watch carefully.

Ss Watch the video together ( 就放完Is it a dog? No, it isn't.这句)

2） How do Daming and Sam guess?

Is it a dog? 师板书课题。教读。

Is it a cat? 师板书，教读。

T: Is it a dog?

S: No, it isn't. 师板书，教读。