1 . ____________ (expose) to loud music too much has caused hearing problem in some teenagers. (所给词的适当形式填空)

2 . Measures must be taken to protect the river from being ________(污染) . (根据汉语提示单词拼写)

3 . I prefer helping others ________ being helped.

A．rather than

B．than

C．to

D．without

4 . After he retired, the old man did all he could to protect the old temple from ________ (damage). (所给词的适当形式填空）

5 . As a famous pop star, he loves being ________ (围绕) by so many fans coming to visit him from the nearby cities. （根据汉语提示单词拼写）

6 . ______ the Nobel Prize in 2015 makes Tu Youyou, a hard-working and modest Chinese scientist, known to the world..

A．Given

B．Being given

C．Giving

D．Having given

7 . We should take some steps to stop the environment from________(pollute).(所给词的适当形式填空)

8 . ______ to sunlight for too much time will do harm to one’s skin.

A．Exposed	B．Having exposed
C．Being exposed	D．After being exposed

9 . In the traffic accident, his father came close to________ .

A．be killed

B．being killed

C．kill

D．killing

10 . Social attention should be paid _______ our earth from _______.

A．to prevent; being polluted	B．to prevent; polluting
C．to preventing; being   polluted	D．to preventing; polluted