The computer is useful invention in the moder...

The computer is　　　 useful invention in the modern world.

A. a　　　　　 B. an　　　　 C.the

九年级英语单项填空中等难度题查看答案及解析

The computer is one of _____________ inventions in the world.

A.useful　 　　　　 B.more useful

C.most useful　　 　 D.the most useful

九年级英语单项填空中等难度题查看答案及解析

Personal computers 　　　　 in 1976．It has changed the whole world．

A. are invented　　 B. invented　　 C. were invented　　 D. have been invented

九年级英语单选题中等难度题查看答案及解析

In the modern world computers and the Internet are getting more and more popular. Most people think they are very useful in their work and lives.

The first computer was born in 1946. It was very big and it worked slowly. Today computers are getting smaller and smaller, but they work faster and faster. What can computers do? Computers can do many things.

At the same time, our world is getting smaller and smaller with the Internet. The Internet came into the world about twenty-five years later than computers. It makes our lives easier. If you are far away in America, you can talk to your family on the Internet. If you want to read a good book, but you don’t have time to buy it in the bookstore, you can read it on the Internet. You can also read newspaper, do some shopping, play games and make friends on it.

Many students like the Internet so much that they would not like to do anything else. They make friends on the Internet, but they may not see these friends. Some of the students are cheated by (受……的欺骗) the “unreal friends”. Because of the Internet, some students can’t work hard at their lessons. Many of them can’t do as well as before in their studies. A few of them have to leave school.

We can use computers and the Internet to learn more about the world. But please remember, “Not all things are good for you.”

根据材料内容，选择最佳答案。

1.Which of the following about computers is WRONG?

A.The first computer was born in 1946.

B.Computers can help us with our studies.

C.Computers work much faster because they are smaller.

D.The first computer didn’t work as fast as computers now.

2.Our world is getting _________ with the Internet.

A.larger B.smaller C.more beautiful D.more colorful

3.When was the Internet born?

A.In 1921. B.In 1971. C.In 1980. D.In1900.

4.What does the writer think of computers and the Internet?

A.They are good for everyone and everything.

B.They are not good for children.

C.They are very useful, but sometimes they are bad for students.

D.They are good for only older people.

5.What’s the best title of the passage?

A.Computers and Our Lives

B.Computers and the Internet

C.The Internet and Our Lives

D.Computers or the Internet

九年级英语阅读单选中等难度题查看答案及解析

Personal computers ________ in 1976. It has changed the whole world.

A. have invented　　 B. are invented　　 C. were invented　　 D. invented

九年级英语单选题中等难度题查看答案及解析

用括号中所给单词的正确形式填空，使短文内容完整、正确。

The computer is one of the most useful inventions in the 1.(twenty) century. With the help of the computer, we can do things much faster and more 2.(easy). It makes us live a very easy life. We can use the computer 3.(do) many things. Since the Internet 4.(come) into the world, the computer has got more uses. Many people do shopping on the Internet. People used to 5.(write) letters to their friends, but now more people keep in touch with each other on the Internet. Many people 6. (search) for information every day. We can also watch 7.(video) and listen to music on the computer. Since the birth of the computer, great changes8.(take) place in our daily lives. It seems impossible for us to live a good life without the computer.

But everything has two sides. Some children are crazy about computer games. As a result, their homework　 9.(not finish) on time. Moreover, there is a lot of 10.(health) information on the Internet. So it's necessary for us to learn how to use the computer in a right way.

九年级英语语法填空中等难度题查看答案及解析

life，use，they，become，send，person，control，that，safe，with

Since computers were invented in the USA in the 1950s，they have76.1.very important in many areas of work and leisure.There is no doubt that computers are very 77.2.in the technology and business.In space，computers have been used to control the speed and direction of a spaceship.78.3.the help of computers，doctors can find diseases easily and solve other problems.For example，tiny computers which are inside patients' bodies can keep 79.4.hearts beating normally.In factories，robots are 80.5.by computers that are like human brains.They can do work 81.6.is dangerous to humans.In business，computers are used to place and cancel orders.They are also making the workplace 82.7.and better.

Since the Internet came into being，people's 83.8.at home have been changed，too.More and more people have 84.9.computers that are used to play games and watch movies.Thanks to the Internet，people can do shopping and do business at home.Instead of writing letters on paper,people communicate by 85.10.e­mails and chatting online.The whole world is connected.The Internet is making the world smaller，like a village.

九年级英语选词填空极难题查看答案及解析

Personal computers ______ in 1976. It has changed the whole world.

A．have invented                          B．were invented

C．is invented                            D．invented

九年级英语单项填空中等难度题查看答案及解析

The bicycle is one of the simplest yet most useful inventions in the world. What is most surprising is that it was not ___1__ earlier, although the great inventor Leonardo Da Vinci had drawn pictures for bicycles and also for flying machines and some other things. Those things were not produced___2___ long after he died.

　A person riding a bicycle uses ___3___ energy to make the bicycle move, and there is no pollution at all when you are riding. Even so, in developed ____4___, most people don’t travel to work by bicycle. It is not because the bicycles are expensive or people feel___5____ if they ride to work. It’s because __6___ cars on the roads becomes larger. It certainly becomes ___7___ to ride a bicycle. As a result, more people put their bicycles away and go to work ___8___ their cars cars, and in this way, the situation is made more serious.___9___ the best way to make riding safer and more popular is to create paths (开设通道) only for bicycles, and to make ___10___ so difficult and expensive for drivers to take their cars into the city that they will go back to use their bicycles.

九年级英语完型填空困难题查看答案及解析

—What’s _____most useful invention in the 20th century?

—_____ computer, I think.

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

九年级英语单项填空中等难度题查看答案及解析