八年级上Unit 3 Computers同步练习（I）卷 .doc

八年级上Unit 3 Computers同步练习（I）卷 一、 单项选择 (共15题；共30分)1. （2分）This bag is a little _ than that one. A . heavyB . more heavyC . heavierD . the heaviest2. （2分） How did the car accident happen? I was of the coming car and hit it.A . uninterestedB . unableC . unaware3. （2分）This machine is easy to operate and maintain.A . makedirtyB . makecleanC . makework4. （2分）The _ of something is the rate at which it moves or travels.A . priceB . speedC . weight5. （2分）Some young people always depend on their parents.They should learn to be independent.A . live withB . talk withC . need help from6. （2分） Why dont you buy the computer? Its too . I cant afford it.A . expensiveB . patientC . helpful7. （2分） Do you know what _ the girl in the film? Yes. She _ too much _ her parents and was unable to do anything by herself.A . happened with; depended; onB . happened to; depended; onC . happened to; depended; at8. （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 . Therefore9. （2分） I was so angry that I couldnt myself, and I hit him. You should say sorry to him.A . controlB . preventC . allow10. （2分）Could you _ the letter for me, please?Sorry, my keyboard is broken. You have to ask someone else.A . watchB . readC . type11. （2分） We may move to another planet in the future with the population increasing. I think so. We will have no other choices if it gets a lot _.A . largeB . manyC . larger12. （2分）When you things, you consider them and discover the differences or similarities (相似点）between them.A . compareB . collectC . challenge13. （2分）These two books are in the same size, but this one is _ thicker. A . a littleB . veryC . quiteD . as14. （2分）Thank you for _ us. I look forward to _ you again. A . helping; meetingB . to help; meetC . helping; meet15. （2分）Your room is so tiny that theres space only for a bed and a table.Im thinking of moving to a bigger one.A . wideB . largeC . small二、 完形填空 (共1题；共10分)16. （10分）根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。The computer is fast, and never makes a mistake, while people are too1 and full of mistakes sometimes. Thats what people often say when they talk about computers. For over a quarter of a century, scientists have been2 better and better computers. Now a computer can do a lot of everyday3 wonderfully. It is4 used in factories, hospitals, post offices and airports. A computer can report, decide and control in almost every field. Many computer scientists are thinking of making the computer “think” like a man. With the5 of a person, a computer can draw pictures, write music, talk with people,6 chess, recognize voices, translate languages and so on. Perhaps computers will one day really think and feel. Do you think the people will be7 when they find that the computer is too clever to listen to and serve the people? No, people will make8 use of the computers in the future. Man is always the master of the computer. The computer9 only with the help of man. It cannot take the10 of man.（1）A . slow B . quick C . short （2）A . loving B . taking C . making （3）A . thoughts B . mistakes C . jobs （4）A . widely B . deeply C . hardly （5）A . question B . advice C . help （6）A . play B . serve C . sing （7）A . afraid B . happy C . rich （8）A . better B . faster C . worse （9）A . eats B . sleeps C . works （10）A . place B . prize C . price 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。BMore and more advertisements appear on the Web. You have to be careful, or the advertisements on the Internet will fool or trick you. They say something is a bargain, but it isnt always cheap. And some so-called (所谓的）new things just have a new outside.However, shopping online is a kind of fashionable thing today. I love to buy things of everyday use, so I often get lots of information about them on websites online. For example, if I want an MP4, I can choose my favourite one, and look for what the users like or dont like about it, then decide whether to buy or not. And at the same time, you dont have to go to a shop or walk around a crowded shopping area, so you dont have to waste much time. The Internet is really useful for shopping, but be careful not to spend too much.（1）If you want to shop online, you should .A . spend too muchB . always believe the advertisementsC . never believe the advertisementsD . be careful not to be fooled（2）What does the writer think of the advertisements online?A . They are always true.B . They are not useful.C . They are sometimes not true.D . They are always fashionable.（3）What does the underlined word “bargain” in the passage probably mean?A . A conversation.B . An expensive product. C . An agreement.D . A cheap product.（4）If you shop online, you .A . can save timeB . have to waste timeC . have to get expensive thingsD . can only buy things with a new outside18. （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 us