八年级上Unit 3 Computers同步练习A卷.doc

八年级上Unit 3 Computers同步练习A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） I was so angry that I couldnt myself, and I hit him. You should say sorry to him.A . controlB . preventC . allow3. （2分）When you things, you consider them and discover the differences or similarities (相似点）between them.A . compareB . collectC . challenge4. （2分）This bag is a little _ than that one. A . heavyB . more heavyC . heavierD . the heaviest5. （2分） How did the car accident happen? I was of the coming car and hit it.A . uninterestedB . unableC . unaware6. （2分）The garden is becoming _. A . beautiful and beautifulB . more beautiful and beautifulC . beautifuler and beautifulerD . more and more beautiful7. （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 . larger8. （2分）Could you _ the letter for me, please?Sorry, my keyboard is broken. You have to ask someone else.A . watchB . readC . type9. （2分）I think English is one of _. A . the more interesting subjectB . the most interesting subjectsC . the more interesting subjectsD . the most interesting subject10. （2分） Look out! The car is coming. I was unaware of the danger.A . didnt realizeB . didnt putC . didnt move11. （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 . small12. （2分）Some young people always depend on their parents.They should learn to be independent.A . live withB . talk withC . need help from13. （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; at14. （2分）Mike always depends on others. A . makes friends withB . relies onC . lives with15. （2分） Everyone knows Russia is the largest country in the world. It is larger than _ country in Asia.A . anyB . any otherC . other二、 完形填空 (共1题；共10分)16. （10分）完形填空 Nick is a 14 year old schoolboy. His life is full of exams and studies on weekdays. He has1free time. He thinks playing computer games2the best way to make him relax. When he has free time, he sits in front of the computer. Just3that, he doesnt eat or drink for several hours.Last weekend, he played games on the computer again. He was too4and didnt want to move. He didnt have5for six hours. When he had to go to the bathroom, he found he could not move. He 6to the hospital. The doctor told him he should have a good rest and7exercise.After coming back from the hospital, Nick follows the doctors8. He often plays soccer with his friends.9sometimes he still plays computer games at weekends, he10does it for long. Now he lives a happy and healthy life.（1）A . few B . a few C . little （2）A . is B . are C . be （3）A . on B . for C . like （4）A . excite B . excites C . excited （5）A . something B . anything C . nothing （6）A . is taken B . was taken C . was taking （7）A . pay attention to B . look out C . take care of （8）A . dreams B . advices C . advice （9）A . Unless B . Although C . Because （10）A . ever B . often C . never 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。EHave you ever seen a horse with toes? Millions of years ago, horses had many toes. They had four toes on each front foot. They had three toes on each back foot. The horses were no bigger than cats.These small horses lived in the forest. Their many toes helped the horses run over the soft, wet ground.It was very hot in the forest. But the weather changed. It became cold. Many trees could not live in cold weather. The trees died and fell. Open fields took the place of forests. The sun made ground dry and hard.Horses began to change, too. They began to get bigger. This took a long time. On the dry, hard land, horses needed only their middle toes for running. Their middle toes became hard. After a long while, horses had only one hard toe on each foot. We call this hard toe a hoof.（1）Long ago, the horse had toes on each of its front feet.A . fourB . threeC . oneD . two（2）Which of the following does this story lead you to believe?A . Animals have always been the same as they are today.B . When the earth changed, animals began to change, too.C . Weather stays the same all year long around the world.D . When the earth changed, animals didnt change.（3）What did the horses need on dry, hard land?A . On the dry, hard land, horses needed only their middle toes for running.B . On the dry, hard land, horses needed a lot of hoofs for running.C . On the dry, hard land, horses needed to get smaller.D . On the dry, hard land, horses needed nothing.（4）The main idea of the whole story is about .A . the weather never changesB . cats were once much bigger than horsesC . horses changed very much over the yearsD . horses have no toes today18. （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 machines四、 单词拼写 (共1题；共1分)19. （1分）The train is moving at low s_. 五、 翻译 (共1题；共3分)20. （3分）在所有这些书中，这本书是最有趣的。 Of all these books, this one is _ _ _.六、 书面表达 (共1题；共5分)21. （5分）现在有许多新的购物方式，网上购物是其中的一种。越来越多的人熟悉和喜欢网购，但是网购利有弊。请根据下面提供的信息，以“Online shopping”为题写篇短文，描述网购的优点和缺点，并谈谈自己的看法。 优点：1）可以在任何时间购物；2）只需要一台电脑和鼠标；3）方便比较同类产品的价格，可以省钱；4）无论何时何地都可以收到所购物品缺点：1）网上付款有时不安全；2）看不到实物，也不能试穿衣服注意：1）不得在作文中出现真实的学校名称和姓名；2）语句连贯，表达准确，词数80100。Online shoppingThere are many new ways of shopping, and online shopping is one of them. One day no one will go to the shops any more, because youll be able to buy almost everything on the Internet.第 11 页 共 11 页参考答案一、 单项选择 (共15题；共30分)1-1、2-1、3-1、4-1、5-1、6-1、7-1、8-1、9-1、10-1、11-1、12-1、13-1、14-1、15-1、二、 完形填空 (共1题；共10分)16-1、三、 阅读理解 (共2题；共16分)17-1、17-2、17-3、17-4、18-1、18-2、18-3、18-4、四、 单词拼写 (共1题；共1分)19-1、五、 翻译 (共1题；共3分)20-1、六、 书面表达 (共1题；共5分)21-1、