[练习] 根据句子的要求在括号里填入适当的词。

1). She looked at him in ________ (amuse).

2). The children _______ _______ (自娱) by playing hide and seek games.

3). What do you do _______ (介词) amusement in this town?

Keys: 1). amusement 2). amused themselves 3). for

3. swing (swung, swung) vt.&vi.摇摆；摆动 n.[c]摇摆；千秋

[典例]

1). His arms swung / He swung his arms as he walked. 他走路时摆动着手臂。

2). The girl sat on a swing, swinging back and forth. 那个女孩坐在千秋上，前后摇摆。

[重点用法]

swing around/round 突然转向相反方向 swing sb from sth to sth (使某人) 突然改变观点或情绪等

[练习] 根据句子的要求在括号里填入适当的词或翻译。

1). She ________ (swing) her legs from side to side.

2). She _______ _______ (突然转过身来) on him angrily.

3). He swings _______ (介词) wild optimism _______ (介词) total despair.

Keys: 1). swung 2). swung round 3). from; to

4. fun n.[u] 有趣的人或事，玩笑，娱乐 funny adj.可笑的，有趣的，滑稽的

[典例]

1). Skating is good fun. 滑冰很有趣。

2). Your friend is great fun. 你的朋友真逗趣。

[重点用法]

What fun it is to do sth. 做某事多有趣啊! be full of fun 好玩得很

have fun 玩得开心,开展娱乐活动 for fun 非认真地，开玩笑地，为了好玩

in fun 开玩笑地，非故意地 make fun of 取笑，拿......开玩笑

[练习] 根据句子的要求在括号里填入适当的词或翻译。

1). His father is full of ________ (很风趣).

2). ________ ________ ________ ________ ________ (多有趣啊) have a swim in this river!

3). Something ________ (fun) happened to him 1ast night.

4). They ________ ________ ________ (取笑) her because she wore such strange clothes.

Keys: 1). fun 2). What fun it is to 3). funny 4). made fun of

5. preserve vt. 保存；保留；保护 n.[c,u]保护(区) preservation n.保存；储藏；维护

[典例]

1). Oil preserves metal from rust. 油保护金属免于生锈。

2). No hunting is allowed in the preserve. 保护区内禁止打猎。我们已采取有效措施保护自然资源。

[重点用法]

preserve sb. from保护某人免受 preserve sth. for 为......而保存/保留某物

keep sth. in preserve = put sth. on preserve 保存/保留某物

[练习] 用括号内所提供词的适当形式填空。