4 . 词性转换
1. ________ vt.(举例)说明；阐明；给(书或文章)加插图→________ n.图解；图示
2. ________ vt.娶；嫁；和……结婚→________ n.结婚；婚姻
3. ________ vi.&vt.抱怨；发牢骚→________ n.抱怨；不满；投诉
4. ________ vt.回答；回复vi.做出反应；回应→________ n.反应；回答；回复
5. ________ vt.拒绝接受；不录用→________ n.
6. ________ vt.任命；委派→________ n.任命；职务；约会；预约
7. ________ vt.选举；推选→________ n.选举；推选；当选
8. ________ vi.& vt.退休；退职；退出→________ n.退休；退职；退休年龄
9. ________ adj.(增长、下跌等)急剧的；锋利的；明显的→________ adv.急剧地；突然大幅度地；明显地；严厉地
10. ________ vt.惊吓；使害怕vi.受惊吓→________ adj.害怕的；对……感到惊慌或恐惧的
11. ________ vt.照顾；照料vi.倾向；趋向→________ n.倾向；趋向；趋势
12. ________ adj.精力充沛的；充满活力的；需要能量的→________ n.精力；能量

9 . Complete the dialogue with the correct form of the words and phrases below.

downtown	jam	suit	greenhouse gases
public transport	complain	anger	get stuck in traffic

Martin: Good morning, Mary. How do you always manage to the office before me?
Mary: Morning, Martin. Well, I cycle so I don’t     1    .
Martin: Well, I don’t cycle but I do take     2    . It’s not quite as fast as cycling but it gets me     3     much quicker than if I take my car.
Mary: Public transport is also a good way to help reduce the level of     4     in our atmosphere. If more people take the bus and train, it would be better for us all.
Martin: I know so many people who     5     about traffic     6     and air pollution, but     7     cannot solve the problems.
Mary. That kind of attitude is common but I think more and more people are beginning to do something which     8     them and protect the environment.