《人教版高中英语必修二Unit3-computers-reading课件-(共26张)》由会员分享，可在线阅读，更多相关《人教版高中英语必修二Unit3-computers-reading课件-(共26张)（26页珍藏版）》请在金锄头文库上搜索。
1、By JenUnit 3 ComputersBy JenUnit 3 Look at the following pictures and tell their English names.abacuscalculatorLook at the following pictureshuge computer PCpersonal computerhuge computer PClaptopPDA Personal Digital AssistantlaptopPDA robotrobotCan you tell the development of computers?abacuscalcul
2、atorhuge computerPClaptopPDArobotCan you tell the development oDo you know in what ways computers are used today? Discuss it with your deskmate.(2 min)Do you know in what ways compusearch for informationwatch moviessearch for informationwatch molisten to musicread books and magazineslisten to musicr
3、ead books and buy things onlineplay games on the computerbuy things onlineplay games onReading Who am I?Reading Who am I?Can you find out the topic sentence of each paragraph?Can you find out the topic senPara I:Para II:Para III: Who am I?Over time I have been changed quite a lot.These changes only
4、became possible as my memory improved.Since the 1970s many new applications have been found out for me.Skim the passage and find out the topic sentence in each paragraph. (2 min)Para I:Para II:Para III: Who SCan you find out the main idea of this passage? A. The development of computers. B. A machin
5、e which is simple-minded. C. The development and the applications of computers. D. Computers may replace human beings.Can you find out the main ideRead para 1 and fill in the chart. (2 mins)Time Machine ApplicationsIn 1642A _machine_difficult sumsAbout in _ An analytical machineThink_In 1936A _machi
6、neSolve any difficult problemBy the 1940sA larger machine_worried the designers_Personal computer/Laptop _calculatingSimplify1822logicallyuniversalRealitySince the 1970sUsed in offices and homesRead para 1 and fill in the ch1.My shape didnt change even though my memory improved.2.The older I am, the
7、 larger I have become.3.Over time I have large memory so that I will not forget anything I have been told.4.I was able to share my knowledge with others through the World Wide Web in the early 1960s.FFTTThe information was stored in tubes, then on transistors and later on the chips.As I have grown o
8、lder I have also grown smaller.Read para 2 and then tell the statement true or false. (1 min)My shape didnt change even th12What roles do computers play in the life of human beings?What are the new applications of the What are the new applications of the computer?computer?Read Para 3 and then answer
9、 the following questions. (1 min)12What roles do computers playWhat are the new applications of the computer?Communicationfinancemobile phonesTrademedical operation space rocketsrobotsWhat are the new applications What roles do computers play in the life of human beings?They provide humans with a li
10、fe of high quality.They are devoted friends and helpers of the human race.What roles do computers play i16421822The analytical machine was made by Charles Babbage.19361940s1960sThe first family of computers was connected to each other.1970sNowTimeline: Find out the development of computers in the fo
11、llowing years. (1 min) The computer began as a calculating machineThe computer grew rapidly both in size and in brainpower.The computer had grown as large as a room.Computers were used in offices and homes.Computer is a devoted friend and helper of the human race.16421822The analytical machineDiscus
12、sion In what ways computers can be used to do for human race in the future? For example: A: What will computers be developed in the future?B: I think computers will be developed to help us / In my opinion, computers can be used to Discussion In what ways compucarry thingscarry thingsdronework in warsdronework in warsdo space researchdo space researchHomework1.Finish exercise 1 on page 202.Find out some sentences of the passage you dont understand. We will discuss it in next class. HomeworkThank you!Thank you!Thank you!
