1. To eat a balanced diet is very important.

________very important________eat a balanced diet.

5. -Do you often brush(刷) your________?

-Yes, I do.

A. tooths B. toothes

C. teeth D. teeths

III. 按要求改写下列句子，每空一词。(10分)

4. -I am often ill. -________

A. I think so. B. That's OK.

C. Really? Thank you.

D. I am sorry to hear that.

3. We're tired because we have________yin.

A. too many B. too much

C. many too D. much too

2. If you have a toothache, you should see a________.

A. policeman B. teacher

C. nurse D. dentist

1. People smell (闻)with their________.

A. noses B. ears C. hands D. mouths

5. My brother's________(speak) Chinese is very good.

I. 选择填空。(10分)

4. It's easy to stay________(health).

3. Mr Chen is often________(stress) out.

2. The old man has a serious________(ill).