1 . After you go into the room made of rocks, the Wi-Fi c________ gets quite weak.

2 . ____ (eat) a lot of vegetables and fruit is good for our ____   (healthy).

3 . The boy is clever enough to finish the _________ (任务).

4 . The teacher told of the ________ (important) of getting a good education and changing one’s life with knowledge.

5 . The p________ of China is much bigger than that of the USA.

6 . The old _________（桥）has been there for about thirty years.

7 . It’s my ________ (高兴，乐事) to help you, ladies and gentlemen.

8 . There is some g__________ (胶水) in the bottle.