ppt (3).ppt

1、Unit 3 Computers Reading: Who am I?,5,4,3,2,1,Guessing game,1. I am a machine which is a good helper in doing house work. I wash clothes for people. Who am I?,washing machine,2. A machine that you use to talk to other people even in a far-away place. Who am I?,telephone,Who am I?,monitor,keyboard,ma

2、inframe,自主学习,Autonomous Learning,预习反馈,Task 1 Vocabulary,吴琼,Task 1 Vocabulary,苏蕾,Task 4 Careful Reading,The computer began as a calculating machine.,Computers were used in offices and homes.,Task 4 Careful Reading,1960s,Task 4 Careful Reading,Task 5 Cracking the difficult points,It + v.+ time + befor

3、e: 过了多久才。,差不多到了两百年之后，查尔斯巴比奇才把我制成了一台分析机。,合作探究,Cooperative Learning,Task 7: Design your own computers,Task 7: Design your own computers,Task 7: Design your own computers,Target (目标人群): Shape(外形): Color(颜色) Function(功能) This computer is designed for those who.,能力提升,Enhance Ability,Level A,Level B,Level

4、 C,Enhance Ability,Level A,Retell the text according to the time lines and the key words given bellow.,1642: Calculating machine,1822: analytical machine, Charles Babbage;,1936: universal machine, Alan Turing,1940s: large;,1960s: family computer, connect;,1970s: office Second, ; Third,. Thank you.,L

5、evel C,Advantages & disadvantages,communicate with friends listen to the music see films watch news play games do shopping,computer games chatting on the Internet waste time have little time to study bad for health/ eyes,Conclusion There is no doubt that computer has two sides, too. If we make good use of it, it will make our lives more colorful and convenient. But dont lose yourself in playing computers. Just remember: Keep fit, study well and work hard.,Homework,1. Read the text for three times and revie