cut up 切碎

　cut off 切断，停止

　cut from (从较大的物体上)切下，割下

　cut in 插嘴

　cut across 去捷径，走近路

Exercise ：1. All the trees were ______.They will have to answer for their foolish action.(A)

A. cut down B.cut off C.cut up D.cut in

2.The chairman spoke so fast that nobody could ______.(D)

A. cut down B.cut off C.cut up D.cut in

2、danger

in danger 在危险中， 生命垂危

endanger vt 危害，使收到危险 endanger sb/sth 使某人或某物受到危害或危险

out of danger 脱离危险

Exercise：You are so kind that you always help me when I am ____.(C)

A.in the danger B.in the danger of C.in danger D.in a danger

3、die 的词组

die down 枯萎，火渐渐熄灭

die away 声，风，光渐渐消失

die from 主要死于某种事故、外伤等外部因素，强调客观因素。

die of 用来表示因害怕、饥饿、衰老、悲伤等内在感情而造成的死亡。

die off 表示相继死去，一个一个离开人世。

die out 灭绝，逐渐消失。 die out 后面不需要加宾语。

Exercise：Many old customs __________. (C)

A.have been died out B.have died in C.are dying out D.have dead out

4、take turns to do sth / doing sth 轮流做某事

Exercise：Since we ____,we didn't find the trip too tiring.(D)

　　　　　　A. make turns to drive B.take turn driving

　　　　　　C.make turns driving D.took turns driving

Ⅱ 练习：

根据汉语提示完成句子