人教版高中英語必修二 Unit 3《Computers》-Warming up[課件]

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,Warming up,CD / DVD-ROM,CRT monitor,LCD monitor,CPU,hard disc,chips /motherboard,keyboard,mouse,modem,scanner,printer,speaker,floppy disc,USB flash disc,CD/DVD/VCD,MP3 player,1,2,4,3,5,6,1. monitor 2. screen 3. CD-ROM 4. mouse 5. keyboard 6. hard disk,Label each part,1 A monitor is 2 The screen is 3 A keyboard is 4 A mouse is 5 A CD-ROM is 6 A hard disk is,(a) the part of a computer that stores information. (b) the part of the computer that you type on. (c) the part of the computer that looks like a television (d) something you use to click on things (files, etc.). (e) the part of the monitor that you look at. (f) The main device that a computer uses to store information.,,,,,,,Match the words with their meanings.,Underline the correct option to form compound words.,,Example: search a) engine b) motor c) disk,,,,,,,,,searchengine,Look at these pictures. Discuss what they have in common. Predict what it is going to be about.,,,,,,,What’s next?,,(What do they have in common?),I think that… In my opinion… I believe that… What’s your reason? Why do you think so?,1.They can be used for calculating. 2.They can deal with maths problems. 3.They are our friends. 4.They are useful and helpful.,Discussion,How useful computers are!,Internet,Ask and answer questions in pairs.,How do you use computers and the Internet?,,Talk freely,Different attitudes towards computers.,parents,school,students,,,,Write out all the words you know about computers.,computer,monitor,click,software,search,update,download,Internet,keyboard,,,,,,,,,根據(jù)下列各句句意及所給單詞的首字母 或漢語提示，寫出該單詞的正確形式。 1. An a______ is a calculating tool for dealing with figures in ancient China. 2. One Laptop per Child is a non-profit association devoted to research to develop a $100 l______ for every child in the world.,abacus,laptop,練習(xí),3. During the course, students will develop their ________ (分析的) skills. 4. In final examinations, senior high students are not allowed to use _________ （計算器）. 5. The ______ （掌上電腦） is a computer that fits in your hand.,calculators,PDA,analytical,II. 用括號內(nèi)所給詞的適當(dāng)形式填空。 1. Music has been called the ______ (universe) language. 2. Many kinds of __________ (calculate) machines have been invented since the 17th century. 3. The ____________ (develop) of the information technology was the greatest advance of the 20th century.,development,universal,calculating,,1. Talk about computers after class. 2. Preview the Reading at Page 18.,Homework,同學(xué)們,來學(xué)校和回家的路上要注意安全,同學(xué)們,來學(xué)校和回家的路上要注意安全,