I 词组

20) be used for 用来做…

21) by accident 错误地

22) according to 根据;按照;据…所说;视…而定

23) fall into 落入;陷入

24) knock into 与…相撞

25) go off 发出响声

26) run off 跑掉;迅速离开

27) break down 停止运转;出现故障

28) show up 出席;露面

29) set off 激起;引起

30) sell out 卖完;售光

31) get married 结婚

II 句型

1 They're used for seeing in the dark. 他们被用来在黑暗中照明。

be used for doing = be used to do

改写本句：________________________________

但是注意以下短语的含义，并分别造句：

get/be used to doing… 习惯于做某事

________________________________

used to do 过去常常…

________________________________

2 George Crum cooked them for a long time until they were crispy.

George Crum将它们炸了很久，直到它们变脆。

◎在肯定句中，until与延续性动词连用，表示"直到…为止"。

I ________ ________ late in the afternoon. 我一直干到下午很晚。

◎在否定句中，until常与短暂性动词连用，表示"直到…才…"。

The rain _______ ________ until midnight. 雨直到半夜才停。

3 Dr Naismith divided the men in his class into two teams, and taught them how to play his new game.

Naismith医生把他的学生分成两组，并教他们如何玩他的新游戏。

改为被动语态：

The men in his class ______ ________ _______ two teams, and ______ ______ how to play his new game.

4 By the time I woke up, my father had already gone into the bathroom and I had to wait for him to come out.

到我醒来的时候，我父亲已经进去洗澡了，我只好等他出来。

by the time … 到…时候。

翻译：今天早晨我起床的时候，妈妈已经做好早饭了。