1.单词：

chemistry化学,  computer technology计算机技术,  be good at擅长,  

be not good at不擅长,  brilliant聪颖的，技艺高超的,  be brilliant at聪颖的，技艺高超的.

2.句型:

I am good at …….

我擅长......

I am not good at ……..

I am very good at …….

I am brilliant at ……..

I am good at computer technology.

I am good at math.

I am not good at chemistry.

I am not good at Chinese.

I am very good at history.

I am very good at science.

I am brilliant at geography.

I am brilliant at English.

3.

Are you good at …….?

你擅长.....?

Yes, I am/No, I am not.

是的，我是。/不，我不是。

Are you good at science?

Yes, I am.

Are you good at music?

No, I am not.