1 . 词性转换
1. ________ vt. 帮助；援助→________ n．助手；助理→________ n．帮助
2. ________ vi.&vt. 抱怨；发牢骚→________ n．抱怨
3. ________ vt. 回答；回复　vi. 做出反应；回应→________ n. 反应；回答；回复
4. ________ vt. 任命；委派→________ n．任命；约定→________ adj. 约定的；指定的
5. ________ vt. 接替；取代；更换→________ n．取代
6. ________ vt. 选举；推选→________ n. 选举；推选；当选
7. ________ vt. 惊吓；使害怕　vi. 受惊吓→________ adj. 害怕的；对……感到惊慌或恐惧的→________ adj. 令人害怕的
8. ________ vt. 拒绝接受；不录用→________ n. 拒绝接受；否决
9. ________ vi.&vt. 退休；退职；退出→________ n. 退休→________ adj. 退休的
10. ________ adj. 精力充沛的；充满活力的→________ adv. 精力充沛地→________ n．精力

2 . 根据句意，选择单词并以其适当形式填空。

1. Destruction of the environment is one of the most serious ______ we face.
2. Usually a child’s behavior is a ______ of his family environment.
3. The price of wine varies ______ depending on where it comes from.
4. With the exam ______, I find myself working harder than ever before.
5. He spent the evening ______ up Christmas presents.
6. Students should establish an ______ of environmental protection.
7. They ignored the ______ time and were late for the meeting.
8. The shop is small, but it offers a ______ of nice goods.
9. I ______ her to think twice before she makes a decision.
10. Betty ______ to Steve that Sara never gave her a chance to talk.

7 . 督察已获委任调查该机构的事务。(inquire into, institution) (汉译英)