八年级上Unit 3 Computers同步练习B卷 .doc

八年级上Unit 3 Computers同步练习B卷 一、 单项选择 (共15题；共30分)1. （2分） Why dont you buy the computer? Its too . I cant afford it.A . expensiveB . patientC . helpful2. （2分）_, it was a small village and few knew it. A . In 1990sB . In the year of 1990sC . In the 1990s3. （2分）David is _ in his family. A . the tallerB . tallerC . the tallestD . tallest4. （2分）Jimmy is growing fast. He is _ taller than his mother. A . farB . quiteC . very5. （2分）This dress doesnt fit me. In addition, I dont like its colour.I will get you another one. Please wait for a while.A . AnywayB . BesidesC . Therefore6. （2分）Mike always depends on others. A . makes friends withB . relies onC . lives with7. （2分）The garden is becoming _. A . beautiful and beautifulB . more beautiful and beautifulC . beautifuler and beautifulerD . more and more beautiful8. （2分）When you things, you consider them and discover the differences or similarities (相似点）between them.A . compareB . collectC . challenge9. （2分） Everyone knows Russia is the largest country in the world. It is larger than _ country in Asia.A . anyB . any otherC . other10. （2分）Thank you for _ us. I look forward to _ you again. A . helping; meetingB . to help; meetC . helping; meet11. （2分）This machine doesnt operate smoothly.There must be something wrong with it.A . useB . workC . look12. （2分）He is unaware of what happened.We must tell him all about it now.A . doesnt realizeB . has an idea ofC . doesnt agree13. （2分）I think English is one of _. A . the more interesting subjectB . the most interesting subjectsC . the more interesting subjectsD . the most interesting subject14. （2分）This machine is easy to operate and maintain.A . makedirtyB . makecleanC . makework15. （2分）Taking the underground in Shanghai is _ Than _ a taxi. A . more cheap; takingB . much cheaper; takingC . a little cheap; to take二、 完形填空 (共1题；共10分)16. （10分）完形填空Perhaps you have heard1about the Internet, but what is it?The Internet is many different networks around the world. A network is a group of computers put together. These networks joined together are called the Internet.2that doesnt sound interesting. But3weve joined the Internet, there are4things we can do. We can have a lot of5on the World Web. We can use the Internet instead of a library to6all kinds of information7our favorite sports or film stars and do some shopping on the Internet. We can send messages to other people8email. Its much cheaper and quicker than9a letter.Thanks to the Internet, the world is becoming smaller and smaller. People can now work at home with a computer, getting and sending the information they need. They can buy or sell whatever they want on the Internet. But do you know much information is10English?（1）A . a lot of B . a lot C . a few （2）A . Maybe B . May C . And （3）A . where B . when C . however （4）A . lots of B . a lot C . much （5）A . interesting B . friends C . interested （6）A . find B . look at C . find out （7）A . about B . for C . to （8）A . with B . by C . on （9）A . send B . sent C . sending （10）A . on B . with C . in 三、 阅读理解 (共2题；共16分)17. （8分）根据短文内容，选择正确答案。CComputers are useful machines. They can help people a lot in their everyday life. For example, they can help people save much time, and they can help people work out many problems they cant do easily. Our country asks everyone to learn to use computers except the old people.Today more and more families own computers. Parents buy computers for their children. They hope computers can help them improve their studies in school. Yet many of the children use computers to play games, to watch videos or to sing Karaoke, instead of studying. So many teachers and parents complain (抱怨）that computers cannot help children to study but make them fall behind. So these parents lock computers in the boxes.In some other countries, even some scientists hate computers. They say computers let millions of people lost their jobs or bring them a lot of trouble.Will computers really bring trouble to people or can they bring people happiness? In fact, people can decide it by themselves.（1）Why do we say the computer is a useful machine?A . Because our country asks us to learn it.B . Because it can help us a lot.C . Because we can use it to play games.D . Because it can help us to find jobs.（2）What do many teachers and parents complain about?A . Their students and children use computers to play games.B . Computers let them lose their jobs.C . Computers make the students and children fall behind.D . Computers bring people a lot of trouble.（3）From this passage we know computers ?A . also bring us troubleB . bring us happiness onlyC . are very expensiveD . are bad for peoples health（4）The last sentence of this passage means .A . people like to use computersB . people can live well without computersC . one must decide how to use computersD . computers are strange machines18. （8分）根据短文内容，选择正确答案。DThe computers changed our lives in the 1980s, the Internet changed our lives in the 1990s, and the robots will change our lives in the new century.Do you think there will be robots in peoples homes? Its not a dream that every home will have a robot.Now, robots are not only able to help people do the housework, they can also help the doctors do the difficult operations, play chess with people, play the piano and so on.A new cooking robot is used in Beijing. It can cook all the dishes on the menu; you only need to wait two to four minutes. In the future, the robot will be a nurse, a security (安全）guard, or a partner in your life.Experts believe robots will be used everywhere from the industrial (工业的） robots to service robots. In the future, robots will become part of the family, and provide close service for people. We all look forward to the new robot age.（1） changed our lives in the 1990s.A . The robotsB . The computersC . The TV setsD . The Internet（2）According to the passage, we know that people are using a new cooking robot.A . in the futureB . in BeijingC . in many countriesD . all around the world（3）What can the robots do now?A . They can help people do the housework.B . They can help the doctors do the difficult operations.C . They can play chess with people.D . A, B and C（4）Which is the best title of the passage?A . T