1 . In 1993, China used 1.2 billion tons of coal for heating and g__ electricity.

2 . The discovery of new evidence led to the thief ________(catch).

3 . He covered her mouth to stop her from ________ (尖叫).

4 . When I try to find out what it is that prevents so many people ________（take）part in the program, it seems to me that there are two main causes. （所给词的适当形式填空）

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

6 . ________ (expose) to sunlight for too much time will do harm to one’s skin.

7 . Something as simple as ________ (drink)some cold water may clear your mind and relieve pressure.

8 . ________(injure) in the leg made it impossible for me to walk as fast as usual.

9 . In some places, women may not walk down a public street at night without being _______________ (陪伴；伴奏)by a man.

10 . Father is thankful to me for p__________ him to give up smoking.