浙江省桐庐分水高级中学高中英语同步课件：UNIT 3 COMPUTERS READING （新人教版必修2）.ppt

1、ks5u1.Who is the speaker in this story?2.Whats the main idea of this passage A.The development of computers.B.The development and usage of computers.C.A machine which is simple-minded.D.Computers may replace human beings.A computer.Skimming3.Find out the topic sentence of each paragraph and underlin

2、e themPARA11.Topic sentenceOver time I have been changed quite a lotScanning:Scanning:Para1 Fill in the chart with the information in para 1.Time Machine ApplicationsIn 1642A _machine_difficult sumsAbout in _ An analytical machineThink_In 1936A _machineSolve any difficult problemBy the 1940sA larger

3、 machine_worried the designers_Personal computer and Laptop _1822calculatingSimplifylogicallyuniversalUsed in offices and homesSince the 1970sIt was considered a technological revolution and the start of the artificial intelligence.I have changed a lot from a calculating machine to an analytical mac

4、hine.I can do many things as human race.RealityPARA2 1.Topic sentenceThese changes only become possible asmy memory improvedks5uScanning:Para2 1.My shape didnt change even though my memory improved.2.The older I am,the larger I have become.3.Over time I have been very easy to forget things because I

5、 dont develop enough memory.4.I was able to share my knowledge with others through the World Wide Web in the early 1960s.T or F QuestionsFFFTFirst it was stored in tubes,then ontransistors and later on very small chips.Until in the early 1960s they gave me a family connected by a network.As I have g

6、rown older I have also grown smaller.My memory has developed so much that,like an elephant,I never forget anything I have been told!.PARA 3 1.Topic sentenceSince the 1970s many new applicationshave been found for me.Scanning:Para3 What are the new applications of the computer?CommunicationFinancemob

7、ile phonesTrademedical operationspace rocketsrobotsWhat role do computers play in the life of human beings?Scanning:Para3 They provide humans with a life of high quality.They are devoted friends and helpers of the human race.Questions and AnswersIn what ways have computer been changed?Further Unders

8、tandingsizeshape speedbrainpower/memoryapplicationrelationship with human racelarge smaller faster and faster more and more developedused in more and more fieldscloser and closerFill the blanks:I began as a _ machine in 1642 in France.In 1822 I was built as an _ machine.Then in 1936 Alan Turing wrot

9、e a book and built a _ machine.As the years have_,I have been made _.Over time my memory has developed so much that,like_,I never forget anything I have been told!And my memory became _ large _ I couldnt believe it.In the 1960s they gave me a family_ by a network.I was able to _with others through t

10、he World Wide Web.Since the 1970s many new applications _for me.calculating analyticaluniversalgone bysmaller thatconnectedhave been foundshare my knowledgeso an elephantWhen she was a high school student she was interested in English.At that time her English was not better,but she never gave up.Ove

11、r time she was determined to work hard at it.As time went by she had made great progress because of her hard work.By the time she was in senior 3 her dream had come true.As a result she became a college student.Nowshe becomes a air hostess,she will work on the plane.My students storyHomeworkSuppose

12、your group is a computer company.Design a future-computer and then advertise it to your customer.Design a personal computer.A future-computershapepriceapplicationscolorcomponentsDiscussionFor example:This is the new computer designed by our company.It is very small and transparent(透明的).You can even put it into your pocket.(shape/color)It has a free-internet in it.You can (applications/functions)It only costs you .(price)Useful words and expressions