1、Unit 3 Computers the development of computersabacuscalculatorhuge computerPClaptopPDArobotLook at the following pictures and tell their English names.Do you know in what ways computers are used today?Discuss it with your deskmate.search for informationwatch movieschat with friendsread books and maga
2、zinesshopping onlineplay gamesReadingWho am I?Go over the story to find out who the speaker is.Underline three sentences to support your idea.It is a computer.I was able to share my knowledge with others through the World Wide Web.“My real father was Alan Turing.”I was built as an Analytical Machine
3、 by Charles Babbage.”Can you find out the main idea of this passage?A.The development of computers.B.A machine which is simple-minded.C.The development and the applications of computers.D.Computers may replace human beings.Can you find out the topic sentence of each paragraph?Try to list the support
4、ing details.Para I:Para II:Para III:Who am I?Over time I have been changed quite a lot.These changes only 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.Para I:Para II:Para III:
5、Who am I?Over time I have been changed quite a lot.These changes only 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.Read para 1 and fill in the chart.1642Simplifyanalyticallogi
6、callyuniversalRealitySince the 1970sUsed in offices and homes1.My shape didnt change even though my memory improved.2.The older I am,the 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
7、 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 older I have also grown smaller.Read para 2 and then tell the statement true or false.12What roles do computers play in the life of human beings?Read Para 3 and then
8、answer the following questions.What are the new applications of the computer?What are the new applications of the computer?communicationtrademedical operationspace rocketsmobile phones financeWhat roles do computers play in the life of human beings?They are devoted friends and helpers of the human r
9、ace.They provide humans with a life of high quality.Timeline:Find out the development of computers in the following years.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 h
10、omes.Computer is a devoted friend and helper of the human race.Two short VCRs about the latest development of the computer.Discussion In what ways computers can be used to do for human race in the future?work for us in Mars and the moonwork in wars or in dangerous places carry thingstele-consultatio
11、n remote diagnosis远程会诊book onlinerobert simulation仿真机器人Discussion In what ways computers can be used to do for human race in the future?communicationcommunicationtraderobotsmedical operationmobile phonesspace rocketsfinancefinanceHomework1.Finish exercise on page 20.2.Find out some sentences of the
12、passage you dont understand.We will discuss it in next class.Thank you for listening!PClaptopPara.1 Supporting detailsCalculating machinemachinemachineAnalyticalUniversalPara.2 Supporting detailstransistorschipstubesnetworkWorld Wide WebPara.3 Supporting detailstrade robotsmobile phonesmedical operationsspace rockets communications finance
