4 . 选词填空
根据句意，从词汇框中选择合适的单词完成句子。

reputation   visual   purchase   declining   discipline   psychology   negative   refreshment   sensitive   tolerated   harmoniously   sustainable

1. My teeth are really __________ to hot and cold.
2. To some extent, they are not in conflict, but go __________ together.
3. Our business has built a good __________ for reliable service.
4. Water quality is __________ due to too much household and industrial waste.
5. You shouldn’t let his __________ comments get you down - he doesn’t know what he’s talking about.
6. For years the workers have __________ low wages and terrible working conditions.
7. The money will be used for the __________ of $40,000 worth of computer equipment.
8. A presenter knows that a viewer has the _________ evidence to check on what is being said.
9. Sociology was to study social systems, __________ studied personality systems, and anthropology was to concentrate on cultural systems.
10. The two governments will work together on solutions for environmental problems based on principles of environmentally __________ development.

6 . The power of creativity gives us the opportunity of a(n) __________ economic development.

A．reusable

B．sustainable

C．affordable

D．recyclable

7 . 英译汉
1. renewable adj. ________________
2. supply n. ________________
3. reduce v. ________________
4. release v. ________________
5. lecture n. ________________
6. extinction n. ________________
7. sustainable adj. ________________

9 . 词性转换
1. harmonious (adj.) ___________ (n.)
2. notably (adv.) ___________ (adj.)
3. Strategic (adj.) ___________ (n.)
4. dedication (n.) ___________ (v.)
5. minimize (v.)        ___________ (adj.)
6. sustainability (n.) ___________ (adj.)
7. preserve (v.) ___________ (n.)
8. reduction (n.) ___________ (v.)
9. recovery (n.) ___________ (v.)
10. participation (n.) ___________ (v.)