1 . Drinking too much is ________ (harm) for our body.

2 . Watching the computer screen for too long is bad for your eyes. (改为同义句)
Watching the computer screen for too long is ________ ________ your eyes.

3 . The students played computer games on the Internet without ________ , which ________ their health.

A．stopping to rest; is harmful for	B．stopping to rest; is harmful to
C．stopping resting; is harmful for	D．stopping resting; is harmful to

4 . Reading in the sun ________ our eyes.

A．is good to

B．is harmful for

C．is bad of

D．do well for

5 . —David, don’t watch TV for a long time. It ________ your eyes.
—OK, Dad. I’ll turn it off.

A．is good for

B．does well in

C．is harmful for

D．does harm to

6 . 玩太多的手机游戏对我们的身心有害。
______ ______ in your phones too much ______ ______ for your health.

7 . Too much meat is _________（不好的）for children.

8 . Spending too much time playing computer games is h_________ for both your eyes and health.

9 . Smoking ________ our health.

A．is harm for

B．is harm to

C．do harm to

D．does harm to