an adding machine was invented. [ ] A. In the 17th century B. In 17th century C. In 17 century D. In 17 centuries 题目和参考答案——青夏教育精英家教网—

题目内容

______ an adding machine was invented.

[ ]

　　A. In the 17th century B. In 17th century

　　C. In 17 century　　　　 D. In 17 centuries

答案：A

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阅读理解　然后回答下题。

　　The computer is a wonderful machine．It is the most important invention in many years．Today it is used in many ways．In a few years the computer may touch the lives of everyone, even people in far away villages．

　　The oldest kind of computer is the abacus, used in China for many centuries．In the seventeenth century an adding machine was invented, but the first largest, modern computer was built in 1946．A computer then could do 5000 addition problems in one second．Now computers can work millions of times faster．All computers have a memory．That means information can be kept in them and be taken out at any time．Computers are getting smaller and smaller, and computing faster and faster．

　　In some large factories now there are very few people．Robots do．most of the work．For example, in a car factory, when a different kind of car comes along the line, the robot changes its work just as a man would do．How does the robot know this? A computer“tells”it what to do．

　　In the last few years there have been great changes in computers．Many scientists agree that computers cannot do everything people can do, but they also agree that computer can now do most of the things people can do．Who knows what the computers of tomorrow will be like? Will they make life better or worse, or will they bring bad things to people? The scientists of today have to think about how to use the computers of tomorrow．

1．What is the oldest kind of computer in China?

______________________

2．When was the first largest computer built?

______________________

3．In 1946, how many addition problems could a computer do in one second?

______________________

4．Why do we say that computers have a memory?

______________________

5．How can robots do many things?

______________________

In ______ seventeenth century an adding machine was invented, but ______ first large modern computer was built in 1946.

[ ]

　　A. the, the B. the, a C. a, the D. /, /

词语填空 (共10小题，计10分)

用方框中所给单词的适当形式填空，使短文通顺、正确、连贯 (每个单词限用一次)。

but carry to tradition buy even a choose they cheap

Twenty-First Century Books

Probably you have seen someone reading a book on an electronic reading device. Over the past few years, these small computers have become more popular. For that reason, more companies that make 1 paper books are now making electronic books (ebooks). Most ebooks are the same as paper books, 2 people download a file into a reading device rather than 3 the paper book. This way they can 4 many books.

Books companies are adding special features 5 some ebooks. These extra features might include sound files, picture files, or video files. When the readers click on these files they learn more about the book, the story, or the writer.

The latest electronic readers are smaller and 6 , but they are also much more powerful. They can store much more information, so writers and book companies can do more with 7 ebooks. They do not want to just add files to 8 completed book. They are making the sound, picture, and video files part of the story. Readers need these files to understand the whole story. Readers can 9 change the story.

Readers already have a lot of books to choose from. If they can change the way stories end, they will have more 10 !

阅读理解

A man fell out of his plane and fell back into it again. Two people rowed(划) a small boat from New York to England in 56 days. One person was so big that he wouldn’t fit in any hospital room. Would you believe these stories? Well, they may sound strange, but they did happen. James Cornell has more strange but true stories like these in a book called Very Strange People.

Here is part of the contents(目录) of Very Strange People. The contents lists the names of the chapters(章) or parts of the book. It also tells on what page each chapter begins.

Chapter Page

One A Dog’s Life ..........................................3

Two A Lucky Pilot(飞机师) ................... ..............14

Three High Wire Act(走钢丝) .................... .............33

Four Fat Men ............................................... 41

Five Over the Falls .........................................43

Six A House without an end ................... .............53

Seven Row, Row, Row Your Boat ................. ..............60

Eight The Tower Builder ....................... ..............85

1. In 1918, Captain Hedley fell off his plane in the sky, but soon he fell back into it again! You may read about this story in Chapter _____.

A．2

B．3

C．4

D．6

2. One morning in New York City, people saw a man walking on a rope between two tall buildings. You may read this story in Chapter _____.

A．1

B．3

C．5

D．6

3. The Earl feeds his dogs better than most people do. This story may begin on Page ______.

A．3

B．33

C．1

D．53

4. Sarah thought she would die as soon as her house was finished. So she kept on adding more and more rooms. Her story may appear on Page _____.

A．3

B．43

C．53

D．85

5. In Chapter 4, Robert could not enter any hospital room because of _____.

A．his illness

B．his height

C．his friend

D．his size

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