重点短语学习：

1. play an important part in在......中起重要作用；对......有重要影响

(1) play a part/role扮演一个角色

 play a．..part/role in 参加......；在......中担任一个角色；起作用

 play the part of扮演......的角色 play an active part in在......中起积极作用

(2) take part in参 加

　① The church ________________________ people's life.教会在人们的生活中起着重要作用。

② He _____________________________ the film.他在那部电影中扮演一个重要角色。

　③ At college I ______________________ student politics.在大学里我积极参与学生政治活动

④ Everyone should _______________________saving water. 每个人都应该积极地节约用水。

2. keep one's eyes on注视；盯着看；注意

(1) keep/have an eye on sb./sth.关注，照料(某人/某物)

 keep an eye out/open for sb./sth.留心，注意(某人/某物)

(2) fix one's eyes on凝视着 catch one's eye引起某人注意

(3) look sb. in the eye(一般用于否定句)直视(正视)某人

① She ______________________on the strange man. 她盯着这个陌生人看。

② Just ___________________________ the children while I am out，will you?

我出去时请照看一下孩子们，好吗？

③ All of a sudden something red ________________. 突然一个红色的东西引起了他的注意。

　④ When the teacher came into the classroom，Tom was __________________________ a novel.

当老师走进教室时，汤姆正在看小说。

3．put down放下，记下，镇压，降落 put back拨回；向后移

 put away储存(钱)；储存......备用；储蓄(＝put by) put out扑灭；发表；出版

　① ______________that knife before you hurt somebody! 把刀子放下以免伤人！

② _______________ in your diary so you won't forget. 把它记在日记里以免忘了。

③ The army is determined to _____________ all opposition. 军队决心镇压所有的反抗活动。

④ He __________his plane ____________in a field. 他把飞机降落在田地里了

当堂检测

I．单项选择

1．Some researchers believe that there is no doubt ________a cure for AIDS will be found.

 A．which B．that C．what D．whether

 A．hesitate helping B．hesitate to help C．bend down to help D．doubt to help

3．I don't know how long they________，but I know that they have lived happily since