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1、Unit 3Unit 3 ComputersComputersWarming up高一人教新课标版必修二高一人教新课标版必修二With the development of science and technology, many new things appear in human beings life.Lets guess what they are:1. I am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely be
2、cause they dont like me now. Do you know who I am?abacus2. I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems. Do you know who I am?calculator3. With me you can watch different programmes just at home. Im a machine that has a screen
3、with moving pictures and sounds. But watching me too much is bad for your eyes. TV set 4. I am a machine which moves very fast on four wheels. You need a license(执照执照) and must be very careful when you drive me. Rolls Royce, Benz and BMW are some famous kinds of me. car5. I am a machine which is a g
4、ood helper in doing house work. I wash clothes for people. Who am I?washing machine6. A machine that you use to talk to other people even in a far-away place. We are connected by wire or radio. Now each of us often has a number. Who am I?telephone7. It is a machine, which you can use to type your ho
5、mework, draw pictures, play games, watch movies, listen to music, communicate with your friends, gather information A PC/desktop8. It is a kind of computer which can be taken conveniently like a notebook.A laptop/A notebook computerThe Electronic Numerical Integrator And Calculator Personal Digital
6、Assistant RobotDiscussion: What do they have in common?I think thatIn my opinionI believe thatWhat s your reason?Why do you think so?Giving an opinion: I think they all can calculate something. They can deal with some math problems. I believe that they are our good friends in our daily life. We can
7、not finish our work quickly without them. In my opinion, they are being used widely and conveniently in the world.Whats next?work for us in Mars(火星火星)Whats next?carry thingswork in wars (战斗战斗)仿真机器人仿真机器人entertainment娱乐娱乐What do you think will be the next development?virtual keyboards 虚拟键盘虚拟键盘Nose-top
8、keyboard-vestIn the future, people will use virtual keyboards. People can also use nose-top computers, wearing keyboard-vest. What English words do you know about computers?Components of a computerScannerScannerPrinterPrinterMonitorMonitorFloppy Floppy DiskDiskMouseMouseSpeakerSpeakerCD - DVD-ROM-DV
9、D RWmonitorCPUhard discMain board(主板主板)Some hardware:LCD monitorkeyboardmousemodem(调制器调制器)scannerprinterspeakerUSB flash discCD/VCD/DVDMP3 playerMP4 playerMemory:(存储器存储器)floppy disc/disk移动硬盘移动硬盘USBFlash disc 1 TB 固态硬盘固态硬盘1T硬盘硬盘Hard disc:Other useful words and expressions about computer:Network网络网络 V
10、irus病毒病毒Download 下载下载Up load 上传上传Program程序程序Website站点站点Hacker 黑客黑客Home page 主页主页Password密码密码Desk top 桌面桌面User name 用户名用户名Click 点击点击Software 软件软件Hardware 硬件硬件Home page 主页主页What can computers be used to do?I often use a computer to, I sometimes use it to, and I never use it tocomputerInternetSearchKey
11、boardClickE-mailBlogBill GatesE-palYesNo1.Help to do homework2.Play computer games3.Send e-mails4.Listen to music5.See movies6.Chat 7.Search for information8.Do shopping 9.Learn computer skillsComputers have great power. They make our lives more colorful and more convenient. BUT Dont just use comput
12、ers for fun. Dont spend too much time in playing computer games or chatting(聊天聊天) online. We should learn more computer skills which are very useful in our future work. Complete the sentences.Monitor, mouse, keyboard, hard disc, floppy disc, CD-ROM, printer, modem 1. A _ is used to see your data on
13、a computer.2. A _ or disk is the main device that a computer uses to store information. 3. A _ is a machine for printing text or pictures onto paper ,especially one connected to the computer. monitorhard diskprinter4. A _ is used to put data into a computer.5. A _ is often used to connect computers
14、to each other though phone lines.6. Data can also be stored in a _, which is small and can be carried easily.7. A _ is a disc that contains computer data. It can store a large amount of data. keyboardmodemfloppy discCD-ROMcommon adj. 普通的普通的, 常见的常见的; 共有的共有的, 共用的共用的在英国在英国Smith是个很普通的名字。是个很普通的名字。Smith i
15、s a common name in England.他们对音乐都有着共同的强烈兴趣。他们对音乐都有着共同的强烈兴趣。A great interest in music was common to them.in common (with) (和和)一样一样have sth. in common (with) (与与)有共同之处有共同之处他们虽是兄弟他们虽是兄弟, 但毫无共同之处。但毫无共同之处。They are brothers, but they have nothing in common.Language Points 和许多人一样和许多人一样, 他喜欢古典音乐他喜欢古典音乐, 而不喜
16、欢而不喜欢流行音乐。流行音乐。In common with many people, he prefers classical music to pop music.In common with many other girls, Anne likes dancing.练一练练一练(1)像许多年轻的夫妇一样像许多年轻的夫妇一样, 他们不喜欢跟他们不喜欢跟父母住在一起。父母住在一起。_ _ _ _ _ _, they do not like to live with their parents.In common with many young couples(2)They have a lot
17、 _ and became good friends very soon. A. in common B. in case C. in surprise D. in interest(3)Does this book have _ (共同之处共同之处)with that one?(4)We are _(普通人普通人), but we can do something well.(5)_ (和多数英国人一样和多数英国人一样), he enjoys football.Aanything in commoncommon peopleIn common with most Englishmen(6)我
18、们在业余爱好方面有许多共同之处。我们在业余爱好方面有许多共同之处。We _ _ _ _ _ _ each other in hobby.(7)这两次地震有什么共同点吗？这两次地震有什么共同点吗？Do the two earthquakes _ _ _ _?(8)这游泳池由附近的孩子们共同使用。这游泳池由附近的孩子们共同使用。The swimming pool _ _ _ _ by all the children in the neighbourhood.have a lot in common withhave anything in is used in commoncommon(9) _
19、 he gets up at 6:30. But today hegot up earlier than _.A. Commonly; usual B. Normally; usuallyC. Usually; usual D. Usually; common(10) Are Mary and Susan _ names for girls in English-speaking countries?A. usual B. common C. ordinary D. normal(11)The twin sisters have _ with each other except that they look alike.A. a lot in common B. little in commonC. nothing in common D. no commonABBHomework1. Write a short passage about the advantage and disadvantage of the computer. 2. Preview the Reading on Page 18.
