词汇。

1. — How much is the handbag?

    — It's 920 dollars.

    — Oh, it's too e_______.

2. The doctor told the patient how to keep h_______.

3. I like ball games very much, but my f_______ sport is playing basketball.

4. It's snowing h_______. You must drive carefully.

5. Eating more v_______ and fruit is good for your body.

6. Do you know the teacher with thick g______? She reads too much everyday.

7. — Who's teaching skating?

    — Nobody. We're learning it o______.

8. Is there anything to drink? I'm very t_______.

9. The boy wrote so c _______ that he didn't notice it begin to rain.

10. M_______: spoken or written piece of information passed from one person to another.

微分电路是把矩形波脉冲变为什么脉冲？