1.单词：

healthy健康的,  unhealthy不健康的,  healthy food健康食物,  

unhealthy food不健康食物,  be good for对....有好处,  be bad for对.....有坏处.

2.句型:

I want ……….. for lunch.

我午饭想要.....

………….. is/are good/bad for you.

.....对你有好处/坏处。

I want some vegetables for lunch.

Vegetables are good for you.

I want some fries for lunch.

Fries are bad for you.

3.

Dialogue 1:

A:  Mom, I am hungry.

妈妈，我饿了。

B:  What do you want for breakfast?

你早餐想要什么？

A:  I want ………… for breakfast.

我早餐想要.....

B:  …….. is/are bad for you. Do you 

    want ………. for breakfast?

.....对你有好处/坏处。你早餐想要......?

A:  Okay. I like ………., too.

可以，我也喜欢......

B:  ……… is/are good for you. 

.....对你有好处

4.

Dialogue 2:

A:  Mom, I am hungry.

B:  What do you want for lunch?

A:  I want ………… for lunch.

B:  …….. is/are bad for you. Do you 

      want ………. for lunch?

A:  Okay. I like ………., too.

B:  ……… is/are good for you.