【练习】用expand，extend，spread，stretch的适当形式填空。

1). The man _______ the information around.

2). The empire _______ its country in the 16th century.

3). The road builders worked hard to _______ the high way.

4). She _______ out her hands to meet me.

5). The project will _______ the city' s telephone network to cover 1000000 users.

Keys: 1). spread 2). expanded 3). extend 4). stretch 5). expand 2. occupation / job / work / employment / career / profession 【解释】

occupation指一个人经常担任的工作，不论是否领取工资。

job非正式用语，指一份固定的赚钱工作，不论是否需要技术和特殊训练。

work多用来指工作本身，平常我们每做一件事无论大小，都可以称为work。

employment 指受雇于他人，领取工资谋生计，并且比较固定的工作。

career 指职业、事业；指某种经过特殊训练而又为之献身的终身事业，带有崇高色彩。

profession 指那些必须受到特殊教育及训练才可胜任，带有专业性质的工作，多为创造性的脑力劳动。 【练习】用occupation，job，work，employment，career，profession的适当形式填空。

1). She has a good ________ in the bank.

2). She is an architect by ________.

3). She abandoned her stage ________.

4). Graduates are finding it more and more difficult to find ________.

5). Please write down your name, ________ and address here in the form.

Keys: 1). job 2). profession/occupation 3). career 4). employment 5). occupation III 词性变化 （旨在提供语法填空所需材料）

1. hunger n.[u] 饥饿；欲望 hungry adj. 饥饿的 2. expand v.使变大；伸展 expansion n.[u,c]扩大；扩展 3. satisfy vt. 使某人满意

达到要求；满足需要 satisfied adj. 对......表示满意

satisfactory/sarisfying adj. 令人满意的 satisfaction n. 满意 4. free adj.&adv.自由的(地)

免费的(地) vt. 解放 freedom n.自由 5. equip vt.&vi. 配备；装备 equipment n.[u] 装备；设备 6. discover vt.发现，找到 discovery n.被发现的事物，发现 discoverer n. 发现者 【练习】用括号内所提供词的适当形式填空。

1). In some poor African areas, many children died of ________ (hungry) every year.

2). The basic needs of the world population should ________ (satisfy) first.

3). The survey found that men got greater ________ (satisfy) from caring for their families than they did from work.

4). The rapid ________ (expand) of cities can cause social and economic problems.

5). We were told to keep all our sports ________ (equip) in the lockers downstairs.

6). The people there enjoy complete ________ (free) of speech.

7). The ________ (discover) of electricity was Franklin.

8). Like many ________ (discover), atomic power can be used for good or evil.

Keys: 1). hunger 2). be sarisfied 3). satisfaction 4). expansion 5). equipment 6). freedom 7). discoverer 8). discoveries