bicentenary in 1991. A second machine was then built for an American high-tech millionaire, who put it in the Computer History Museum, in California.

Babbage's analytical engines would have used "programs" like those used in the textile(纺织)industry to make complicated patterns, but they were never built. This brilliant mathematician really was too far ahead of his time!

5. Where did Babbage plan his "first difference engine"?

A. In London

B. At high school

C. At Cambridge

D. In Science Museum

6. What do we know about his "second difference engine"?

A. It took him nine years to build it

B. It was far ahead of its time

C. Its deign came out in his dreams

D. Its power source was electricity

7. The "second difference engine" was built to work in 1991 ____________.

A. for an American millionaire

B. in memory of Babbage

C. to test its ability to use electricity

D. for textile industry to make patterns

8. What can we infer from the text?

A. Babbage's engines didn't run on programs

B. Textile patterns are produced with programs

C. Babbage can be seen as the father of computers

D. Babbage's analytical engines were never built

Ⅱ. 完形填空

　　阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。

A few years ago I invited some friends to have a party in my house. During the 　1　, a glass of red wine was dropped on a very fancy, Persian carpet in the living room. Later, when I planned to have the carpet 　2　, experts came out. They 　3　that they could not only get out the 　4　, but also make every carpeted room look and smell nice.