2．As you laugh，the muscles participating in the laugh become active.

当你笑的时候，参与笑的肌肉变得活跃起来。

(1)participate vi.参加，参与

participate in参加，参与

(2)participation n．参加，参与

(3)participant n．参与者

(1)A lot of countries participated in the Olympic Games in Rio in 2016.

很多国家参加了2016年在里约举办的奥运会。

(2)The scheme aims to encourage participation in sporting activities.

这个方案旨在鼓励大众参与体育活动。

[巧学助记]

根据口诀，区别不同的"参加"：

加入组织join选，出席到场attend用；

参加活动起作用，take part in来闹场；

和人一起来活动，join sb. in来凑份；

participate不及物，和in做伴来参加。

[单项填空]

(3)Most students at school hope that they can activities that appeal to them after class instead of just doing their homework.(2017·射阳二中高二检测)

A．apply for B．participate in

C．stick to D．focus on

答案　B

解析　句意为：在学校的大多数学生都希望下课后能够参加自己喜爱的活动，而不只是写作业。apply for 申请；participate in参加；stick to坚持；focus on集中于。根据题意选B。

3．Enjoying a funny comedy or reading some jokes will drive away your negative feelings and make you feel much better.享受一部搞笑的喜剧或读一些笑话会赶走你的负面情绪，让你感觉好很多。

drive away赶走；使离去；驱车离开

drive off 开走；赶走；驱散；击退

drive sb.＋adj.使人......

drive sb.to do sth.迫使某人做某事

(1)The large noise outside really almost drove her mad.外面那么大的噪音确实差点让她发疯。

(2)The defenders drove off each attack.