1. I heard that more than three _________ (抢劫) happened last week.

We are all busy talking about and using the Internet, but how many of us know the history of the Internet？

Many people are surprised when they find that the Internet was 1 up in the 2 .At that time, computers were 3 and expensive.

Computers networks(网络) didn”t work 4 .If one computer in the network broke 5 , then the whole network stopped. So a new network system(系统) 6 to be set up. It should be 7 to be used by many different computers. If part of the network was not working, information could be 8 through another part. 9 this computer network system would keep on 10 all the time.

At first , the Internet was only used by the government, but in the 11 1970s, universities, hospitals, and banks were allowed to use it too. 12 , computers were still very expensive and the Internet was difficult to use. By the start of 13 1990s,computers became cheaper and easier to use. Scientists had also developed software that made “surfing” the Internet more convenient(方便).

Today it is easy to get online and it 14 that millions of people use the Internet every day. 15 e-mail is more and more popular among students.

1. A .built B. put C .set D. made

2. A. 1960 B. 1960s C .1960” D .1960s”

3.A. large B. big C. great D. huge

4.A. good B. fine C. nice D. well

5.A. off B. from C .down D. up

6.A . had B. have C. must D. need

7.A . enough good B. good enough C. enough well D. well enough

8.A. passed B. send C. pass D. sent

9.A . In B. With C. Through D. From

10. A .sending B. working C. receiving ….D. moving

11.A. early B. earlier C. front …D. ahead

12.A .Whatever B. Wherever C. Whenever ..D. However

13.A . a B. the C. an ……D. /

14.A. is said B. said C. was said …D. has said

15.A. Sending B. To send C. Reviewing D. To receive

20. Even the top students in our class _______ work out this problem, so it ________ be

too difficult.

A.are not able to , must B. able to , need C. mustn”t, may D. may not , should

19. He is the first place in the competition. We are _____ him. He is the ____ our school.

A. proud of, pride of B . pride of , pride of

C. pride in , proud of D. proud of , pride at

18. I”ve never _____ to Hainan Island . I don”t know ___ about it, ___.

A. been, a little , too B .been, much, either

C .gone , a lot, also D. gone, much, either

17. The TV show ___ The Undersea World of Jacques Cousteau let many people see ___ under

the sea.

A . was called, what was life like B was called , that life was like

C. called , what life was like D. called, how life was like

16. He was fed up with her because she was always ____ things ____ him.

A lent , to B borrowed , from C borrowing , from D lending , to

15. I really don”t know which exercises _______.

A. should we do B. should we do it C. to be done D. to do