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人教版八年級上Unit 3 Computers同步練習(xí)A卷 一、 單項選擇 (共15題；共30分) 1. （2分）This machine is easy to operate and maintain. A . make……dirty B . make……clean C . make……work 2. （2分）—Will you buy the house? —No. Its expensive. I cant afford it. A . not heavy B . not old C . not cheap 3. （2分）David is ________ in his family. A . the taller B . taller C . the tallest D . tallest 4. （2分）The Summer Palace is one of the parks in Beijing. A . best beautiful B . much beautiful C . most beautiful 5. （2分）—He is unaware of what happened. —We must tell him all about it now. A . doesnt realize B . has an idea of C . doesnt agree 6. （2分）— Why dont you buy the computer? — Its too . I cant afford it. A . expensive B . patient C . helpful 7. （2分）This bag is a little ________ than that one. A . heavy B . more heavy C . heavier D . the heaviest 8. （2分）—Could you ________ the letter for me, please? —Sorry, my keyboard is broken. You have to ask someone else. A . watch B . read C . type 9. （2分）Taking the underground in Shanghai is __________ Than __________ a taxi. A . more cheap; taking B . much cheaper; taking C . a little cheap; to take 10. （2分）Thank you for __________ us. I look forward to __________ you again. A . helping; meeting B . to help; meet C . helping; meet 11. （2分）The garden is becoming ________. A . beautiful and beautiful B . more beautiful and beautiful C . beautifuler and beautifuler D . more and more beautiful 12. （2分）—Some young people always depend on their parents. —They should learn to be independent. A . live with B . talk with C . need help from 13. （2分）The ________ of something is the rate at which it moves or travels. A . price B . speed C . weight 14. （2分）When you things, you consider them and discover the differences or similarities (相似點）between them. A . compare B . collect C . challenge 15. （2分）These two books are in the same size, but this one is ________ thicker. A . a little B . very C . quite D . as 二、 完形填空 (共1題；共10分) 16. （10分）根據(jù)短文理解，從A、B、C、D四個選項中選擇最佳答案填空。 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、 閱讀理解 (共2題；共16分) 17. （8分）根據(jù)短文內(nèi)容，選擇正確答案。 E Have 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 . four B . three C . one D . 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 didn’t 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 changes B . cats were once much bigger than horses C . horses changed very much over the years D . horses have no toes today 18. （8分）閱讀理解 "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(競爭) with the computerized(用機算機控制的)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(癮) 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 school B . help their children play well C . help their children know much Internet knowledge D . help their children relax themselves （3）Many children use computers to __________. A . watch videos B . listen to songs C . play games D . A, B and C （4）The writer thinks __________. A . boys can go to the computer net bars, but girls cant B . computer net bars are very useful C . children spend too much time on computer games D . children should play computer games 四、 單詞拼寫 (共1題；共1分) 19. （1分）I am u________ of the difficulties we are facing. 五、 翻譯 (共1題；共5分) 20. （5分）一開始我沒有意識到那個錯誤。(be unaware of) 六、 書面表達 (共1題；共5分) 21. （5分）現(xiàn)在有許多新的購物方式，網(wǎng)上購物是其中的一種。越來越多的人熟悉和喜歡網(wǎng)購，但是網(wǎng)購利有弊。請根據(jù)下面提供的信息，以“Online shopping”為題寫—篇短文，描述網(wǎng)購的優(yōu)點和缺點，并談?wù)勛约旱目捶ā? 優(yōu)點：1）可以在任何時間購物；2）只需要一臺電腦和鼠標；3）方便比較同類產(chǎn)品的價格，可以省錢；4）無論何時何地都可以收到所購物品…… 缺點：1）網(wǎng)上付款有時不安全；2）看不到實物，也不能試穿衣服…… 注意：1）不得在作文中出現(xiàn)真實的學(xué)校名稱和 姓名；2）語句連貫，表達準確，詞數(shù)80~100。 Online shopping There 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 10 頁 共 10 頁 參考答案 一、 單項選擇 (共15題；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題；共10分) 16-1、 三、 閱讀理解 (共2題；共16分) 17-1、 17-2、 17-3、 17-4、 18-1、 18-2、 18-3、 18-4、 四、 單詞拼寫 (共1題；共1分) 19-1、 五、 翻譯 (共1題；共5分) 20-1、 六、 書面表達 (共1題；共5分) 21-1、