computer.ppt

1、,教学内容：必修 Unit-computers 授课教师：王守志 前郭县蒙古族中学,welcome to our class,Warming up,How do we use computers in daily life?,listen to music,read books and magazines,see movies,send emails to friends,shopping on line,play games,Who am I ?,Reading -,simplify 简化 calculating machine 计算器 Analytical machine 分析机 tech

2、nological revolution技术革命 universal machine 万能机,通用机器 artificial intelligence 人工智能 Transistor 晶体管 World Wide Web 万维网,Useful phrases,1. Who is the speaker? 2. What is the main idea of the whole passage? A. Computers may replace human beings. B. Computers are popular around the world. C. The importance

3、of the computer. D. The development and use of computers. 3. This passage is written by the order of_,time.,Task1-Skimming:,Go through the passage quickly and answer.,Charles Babbage,size,brainpower,calculating machine,had grown as large as a room.,offices and homes.,network.,Task 2 -Scanning,Read t

4、he passage and fill in the blanks,1936,1960s,all over the world together.,Reading for the topic sentence and supporting details找出每一段的主题句和支持性的细节描述,Task3-,Over time I have been changed quite a lot.,.analytical machine,.universal machine,.pc (personal computer),.laptop (notebook computer),a calculating

5、 machine in 1642,帕斯卡计算器 是由布莱斯帕斯卡发明 计算器中有联锁的齿轮，一个转过十位的齿轮会使另一个齿轮转过一位， 把数字拨进去，计算结果就会出现在另一个窗口中。,an analytical machine, (in 1822),分析机 英国数学家 查尔斯巴贝奇设计的机械式通用计算机。设计逻辑非常先进，是大约100年后电子通用计算机的先驱。,a huge computer, as large as a room, in the 1940s,ENIAC,PC (personal computer),laptop(notebook computer),Read paragrap

6、h two and complete the chart,These changes only become possible as my memory improved.,5. world Wide Web,tubes,2. transistors,3. small chips,4. network,电子管,晶体管,芯片,网络,世界万维网,Since the 1970s many new applications have been found for me.,Read paragraph three and complete the chart,1. communications,2 fi

7、nance,3. trade,4. robots,5. mobile phones,6. medical operations,7. space rockets,应用,After reading the passage, can you put them in an order according to the time when they appeared?,( ) analytical machine ( ) laptop ( ) calculating machine ( ) robot ( ) PC ( ) universal machine,3,4,5,Task4 post-reading,2,1,6,future?,DIY,your computer,homework,1.Write a passage “My ideal computer” 2. memorize important words