1. The twins look alike, but they_____ in temperament.

A. different　　 B. differ　　 C. transform　 D. distinguish

1.　　　 on board　　 2. shouldn’t have told 　　　3. being carried out

1. concerned　 2. condition　　 3. influence 　4. overthrown　　 5. materials

DADCA　 ABCAC　 ADABC　 ABABD

BBCCC 　BBDBC　 CBBCD　　　　　　　　　　　

3. 没有什么能阻止这个计划的执行。

　Nothing can prevent the plan _________　 _________　 _________.

Unit 3 单元练习

2.她现在很难受，你本该把这个坏消息告诉她的。

　 She is very upset now; you ________　 _______　 ________ her the bad news.

1.轮船沉没了，所有的乘客都在船上。

The ship sank　 with all the passengers _______　 ________(在船上).

5.　　　 The prices of the building ____________(材料)have been going up recently.