1 . —Daming is __________ going to England.
—Yes. He’ll meet his pen friend Tony there.

A．afraid of

B．surprised at

C．bad for

D．excited about

2 . Greenhouse gases cause harm to both the environment and human health. (保持句意不变)
Greenhouse gases ________ for both the environment and human health.

3 . Eating too much candies does harm to our teeth.

A．is helpful to

B．is good for

C．is bad for

D．is strict with

4 . 吸烟对吸烟者和不吸烟者都是有害的。
Smoking is ________ smokers and non-smokers.

5 . Don’t read in the dark. It is harmful to your eyes.

A．is useful to

B．is bad for

C．is important to

6 . Too much screen time ___________________ your eyes. So don’t watch TV or use your mobile phone too often.（对……有害）

7 . 我们都知道，吃太多甜食对我们的牙齿是有害的。

As we all know, eating too much sweet food is ________________________ our teeth.

8 . 糖果含糖太多，对我的牙齿有害。
___________________________________________

9 . 吸烟有害健康。（汉译英）
__________________________________________.

10 . Cola and candy are very sweet, and too much sugar is ________ ________ (对……不好) you.