1 . —I want to watch TV the whole day after the long journey.
—You shouldn’t watch TV too much. It’s very harmful ________ your eyes.

A．in

B．as

C．with

D．to

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

3 . Playing with cellphones in a dark room is ________ to our eyes. So we must develop a good habit of using our eyes.

4 . It’s known that drinking too much is harmful ________ our health, but some people don’t care.

A．with

B．on

C．to

D．for

5 . 吃太多垃圾食品对你的健康有害。
Eating too much junk food ________ to your health.

6 . 太多甜食有害健康。（be harmful to）
_____________________________________________________________

7 . Reading in a dark room is bad for our eyes. (保持句意基本不变)
Reading in a dark room is _________ _________ our eyes.

8 . Don’t eat junk food. It’s h________ to your health.

9 . Having cold drinks in such weather may be ________ (harm) to your stomach.

10 . 我们正在讨论快餐为什么有害健康。
We are discussing why fast food is _________ _________ our health.