一、词汇运用
1. We must do something to clean up the ___________ (pollute) rivers.
2. It is too _________ (crowd) for ten people to live in a bedroom.
3. In fact, ___________(human) are the enemies of the environment.
4. China is one of the ___________ (develop) countries.
5. ________(hope), we can start again and live a better life on the earth.
6. I found the coins were _______(spread) on the floor when I got home.
7. Is the boy _______(nod) or _______(shake) his head?
8. _______(what) he does, I will always support him.
9. She was ill , ________(lie) down on the road.
10.The people of Scotland liked the thistle so much that they made it their _______(nation)flower.
11. He knew he had behaved badly and he seemed _______(true) sorry.
12. Expo 2010 Shanghai is the _______(proud) of the whole world.
13.The _________ (移民) on Mars from Earth will face the problem of gravity.
14. What’s the ____________ (人口) of China?
15. Wish you an ________________ (愉快的) holiday!
