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）These two books are in the same size, but this one is _ thicker. A . a littleB . veryC . quiteD . as2. （2分） Why dont you buy the computer? Its too . I cant afford it.A . expensiveB . patientC . helpful3. （2分）Some young people always depend on their parents.They should learn to be independent.A . live withB . talk withC . need help from4. （2分） Look out! The car is coming. I was unaware of the danger.A . didnt realizeB . didnt putC . didnt move5. （2分）This film star is very famous.Yes. He is _ with teenagers.A . popularB . excitedC . enjoyable6. （2分）The garden is becoming _. A . beautiful and beautifulB . more beautiful and beautifulC . beautifuler and beautifulerD . more and more beautiful7. （2分）Thank you for _ us. I look forward to _ you again. A . helping; meetingB . to help; meetC . helping; meet8. （2分）Mike always depends on others. A . makes friends withB . relies onC . lives with9. （2分） How did the car accident happen? I was of the coming car and hit it.A . uninterestedB . unableC . unaware10. （2分）He is unaware of what happened.We must tell him all about it now.A . doesnt realizeB . has an idea ofC . doesnt agree11. （2分） I was so angry that I couldnt myself, and I hit him. You should say sorry to him.A . controlB . preventC . allow12. （2分）This machine is easy to operate and maintain.A . makedirtyB . makecleanC . makework13. （2分）Taking the underground in Shanghai is _ Than _ a taxi. A . more cheap; takingB . much cheaper; takingC . a little cheap; to take14. （2分）In addition, I gave five more dollars to her.A . BesidesB . FinallyC . Therefore15. （2分）_, it was a small village and few knew it. A . In 1990sB . In the year of 1990sC . In the 1990s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）阅读理解 Tom? Are you in bed yet? called Mrs White. There was no answer. Mrs White put down her book and went to her 14-year-old sons room. Tom was sitting in front of a bright computer screen on which a motorbike was running fast.Oh, Tom. Youre still playing that computer game. You must stop now, because its half past eleven. If you dont go to bed soon, youll be very tired tomorrow, said Mrs White.But Ive nearly won the game, Tom said to Mrs White. She could see the excitement on his face. She sat beside him.Youre always playing on the computer. You spend more time on this machine than on your homework, said Mrs White.Today more and more families have computers. Parents hope computers can help their children improve their study at school But many of their children use computers to play games, listen to songs and watch videos instead of studying. We often see that computer net bars are crowded with people, especially young boys. They spend a lot of money competing(竞争) with the computerized(用机算机控制的)machines. The more they lose, the more they want to win The result is that they dont want to study.In some countries, even scientists hate computers. They say computers cause millions of people to lose their jobs or cause them a lot of trouble. Computer game addiction(瘾) is a serious problem in our social life. Something should be done to solve the problem.（1）How did Mrs White feel when she saw her son playing a computer game late? A . She felt excited.B . She felt happy.C . She felt worried.D . She felt wonderful.（2）Parents hope computers can _. A . help their children improve their study at schoolB . help their children play wellC . help their children know much Internet knowledgeD . help their children relax themselves（3）Many children use computers to _. A . watch videosB . listen to songsC . play gamesD . A, B and C（4）The writer thinks _. A . boys can go to the computer net bars, but girls cantB . computer net bars are very usefulC . children spend too much time on computer gamesD . children should play computer games18. （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 today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）我的新笔记本电脑比他的要贵得多。 My new laptop is _ _ _ than his.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、