高中英语module2教学unit3warmingup

1、Unit 3 Computers,CD / DVD-ROM,monitor,LCD monitor,CPU,hard disc,motherboard,Parts of computers,Central Processing Unit,keyboard,mouse,modem,scanner,printer,speaker,floppy disc,USB flash disc,CD/DVD/VCD,MP3 player,What is PC? Speak the whole name.,It means: personal computer.,2. What is IT?,Informati

2、on Technology.,3. What is CD-ROM?,Compact disc read-only memory.,4. What is PDA?,Personal digital assistant.,5. What is W.W.W?,World wide web.,6. 科学技术。,Science and technology.,7. 人工智能。,Artificial intelligence.,8.笔记本电脑。,Notebook computer.,Brainstorm,computer,on line off line,click,software hardware,s

3、earch,update,download,Internet,website,Think as many words as possible related to computers,a search engine,surf,other useful words and expressions about computer,Network 网络 Program程序 Virus病毒 Hacker 黑客,Up load 上传 Home page 主页 Password密码 Desk top 桌面 User name 用户名,Look at these pictures. What do they

4、have in common? 2. What do they tell you about the development of computers? 3. What do you think will be the next development?,Whats next?,(What do they have in common?),I think that In my opinion I believe that Whats your reason? Why do you think so?,1.They can be used for calculating. 2.They can

5、deal with math problems. 3.They are our friends. 4.They are useful and helpful.,Work in pairs. Try to put these inventions in an order according to the time when they appeared. Then read the passage quickly and check to see if you were right. ( ) analytical machine ( ) laptop ( ) calculating machine

6、 ( ) robot ( ) PC ( ) universal machine,Pre-reading,1. Who am I ? 2. Whats the main idea of the text? A. The computer wants to find “who he is”. B. The functions(功能) of the computer. C. The computer becomes popular around the world. D. The history and the applications of the computer.,Look at the pi

7、ctures and the title of the reading passage. Predict what it is going to be about.,skimming,I am a computer.,The computer began as a calculating machine,The computer grew rapidly both in size and in brainpower.,Finish the timeline,1936,Computers had grown as large as a room.,Size: brainpower:,larger

8、,more powerful,1960s,Computers were used in offices and homes.,Computers connect people all over the world together.,tubes,transistors,small chips,large small size,small large memory,Computer: size,smaller,brainpower,powerful,Over time I have been changed quite a lot.,These changes only became possi

9、ble as my memory improved.,Since the 1970s many new applications have been found for me.,Reading for topic sentences,Over time I have been changed quite a lot.,Calculating machine Analytical machine Universal machine PC laptop,These changes only became possible as my memory improved.,tubes transisto

10、rs chips network World Wide Web, communications finance trade robots mobile phones medical operations space rockets providing a life of high quality,Since the 1970s many new applications have been found for me.,calculating,analytical,universal,mathematical problems,Simplify,logically,quickly,Medical

11、 operations,Memory,Transistors,Applications,Communication,Trade,I began as a _ _ in France in 1642. In 1822 I was built as an _ _. Then in 1936 Alan Turing wrote a book and built a _ _.As time _ _, I was made _. These changes became possible as my _ _. In the early 1960s they gave me a family _ _ _

12、_. Now people call it the World Wide Web. I have been _ _ _ _ _ since the 1970s. So I became a PC. Im happy to become a devoted friend and helper of the human race.,calculating machine,analytical machine,universal machine,went by,connected by a network,used in offices,smaller,memory improved,and hom

13、es,Brainstorm a list of uses for computers.,Send emails Word processing Search for information Chat on line Watch films or series of TV programs Store information,Write letters Write by hand or typewriter Look in library Go to the cinema Write everything down,How do you use computers and the Internet?,II. 用括号内所给词的适当形式填空。 1. Music has been called the _ (universe) language. 2.