unit 2 cloning grammar课时作业

第一节　单项填空(共15小题；每小题1分，满分15分)

　　请认真阅读下面各题，从题中所给的A、B、C、D四个选项中，选出最佳选项。

1.Usually the Player of the Year title is given to a big name from the best team.But this time there is a(n) .

A.break B.improvement

C.exception D.tradition

2.-It took me eight years to build up my business，and it almost killed me.

-Well，you know what they say. .

A.There is no smoke without fire

B.No pain，no gain

C.All roads lead to Rome

D.Practice makes perfect

3.What surprised us most is that he doesn't know the differences between the two books lie.

A.that B.what

C.which D.where

4.You'd better make the plants shorter， they will interrupt the views from the house.

A.but B.and

C.so D.or

5.What you said doesn't what the police have told us，so we have to find more evidence.

A.agree with B.make up

C.contribute to D.show off

6.There are still many problems to be solved we are ready for a long stay on the Moon.

A.before B.once

C.after D.until

7.-I didn't apologize to him for being unable to inform him of the change in the plan.

-But you ought .

A.to B.to have

C.to do D.to be

8.During its course of development，the theoretical base of TCM covered more ground and its remedies for various diseases expanded， unique characteristics.

A.to display B.displaying

C.having displayed D.displayed

9.Never in all my life that one day I would leave my place of birth and travel around the world.

A.do I think B.I think