②Computers are playing a more and more important part in our daily life.

计算机在我们的日常生活中起着越来越重要的作用。

③She played the part/role of a teacher in the film.

她在这部电影中扮演了一位老师的角色。

④Parents play an important part/role in their children's education.

父母在子女的教育上起重要的作用。

⑤If Jim took part in the Talent Show，he'd win it for sure.如果吉姆参加才艺大赛，他肯定会赢。

自我探究

短语 play a(n) (important) part(in)意为："在......起(重要)作用，扮演......(重要的)角色"，注意冠词的使用。

归纳拓展

play a role in 在......扮演角色，在......起作用

play a role of扮演......角色

take an active part in积极参加......

牛刀小试

完成句子

(1)除了节食之外，锻炼对于减肥也起着重要作用。

Besides dieting，exercising also ____________________ losing weight.

答案：plays an important part in

单项填空

(2)We should not ignore the part everyone________ winning the match.

A．acted　　　　　　　　 B．acted of

C．played D．played in

解析：选D。句意：我们不应该忽略每一个人在赢得这场比赛中所起的作用。everyone...winning the match在句中作the part的定语从句，关系代词that省略，代替先行词the part在定语从句中作play的宾语。play the part in...是固定搭配，意为"在......中起作用"。act也可代替play。

2 The cat behaves in a strange way. 这只猫举止异常。

品味经典

①She behaved in a very responsible way. 她表现得非常负责任。

②Tom，behave yourself. Did you forget the school rules?

汤姆，注意形象。你忘了学校的规定了吗？

③Some children could be noisy and badly-behaved.一些孩子会吵闹而且表现差。

④Their behaviour towards me shows that they do not like me.

他们对我的举止表明他们不喜欢我。

自我探究

behave用作不及物动词，意为"行为，举止"；用作及物动词，构成短语behave oneself意为"守规矩；举止得体"。

归纳拓展

behave well/badly towards...对......态度好（坏）

behave as... 举止像......

well-behaved adj.表现好的

badly-behaved adj.表现差的