3 . Complete the following sentences with the words in the box.

mixture             channel            mercy            profession          politics

1. Inspired by his teacher, Johnny has decided to enter the teaching_____________.
2. Although her major was chemistry, Margaret Thatcher chose_____________ as her career in the end.
3. Small boats on the sea are sometimes at the_____________ of violent weather.
4. If you don’t like this TV programme, you can change_____________.
5. This city is a_____________ of ancient and modern buildings.

4 . Match the words with their meanings. Then make a sentence with each word.

laptop; log; possession; profession; mercy; opponent; coverage; mixture

1. a job that needs special training and a good education
2. the state of owning something
3. a small computer that can be easily carried
4. a kind attitude towards somebody you have the ability to harm
5. someone that you are playing against in a competition
6. to record information
7. a combination of different things
8. reporting in newspapers or on television

7 . 词性转换
1. economy n. 经济→________adj经济(上)的
2. politics n. 政治，政治学→________adj. 政治的；政府的
3. elect vt. 选举→________n. 选举
4. cover vt. 采访，报道→________n. 新闻报道；覆盖范围
5. avail v. 有帮助；有益；有用→________adj. 可获得的，可用的；有空的
6. mix v.(使)混合→________n. 混合
7. precise adj. 精确的→________adv. 确实如此；精确地
8. complicate v. 使复杂化→________adj. 难懂的；复杂的

10 . 烛光和剪纸的交融构成了传统灯笼之美。（lie）（汉译英）