人教版高中英语 必修二 Unit3 《Computers---Reading》 课件(共28张PPT).ppt

1、1.计算2.通用的；宇宙的3.简化4.总数；金额；算术题5.操作员，接线员6.合逻辑的；合情理的7.工艺；科技；技术8.科技的9.革命10.人造的；假的calculateuniversalsimplifysumoperatorlogicaltechnologytechnologicalrevolutionartificial11.智力；智能12.事实；现实13.私人的；个人的14.管；电子管15.网络；网状物16.应用；申请17.金融；财经18.可移动的；机动的19.火箭20.探索；探测intelligencerealitypersonaltubenetworkapplicationfinan

2、cemobilerocketexploreWith the development of science and technology,many new things appear in human beings life.Lets guess what they are:1.With me you can watch different programmes just at home.Im a machine that has a screen with moving pictures and sounds.But watching me too much is bad for your e

3、yes.TV set 2.I am a machine which moves very fast on four wheels.You need a license(执照)and must be very careful when you drive me.Rolls Royce and Benz are some famous kinds of me.car3.I am a machine which is a good helper in doing house work.I wash clothes for people.washing machine4.I am a machine,

4、which you can use to type your homework,draw pictures,play games,watch movies,listen to music,communicate with your friends,gather informationComputer 5.I am a kind of computer which can be taken conveniently like a notebook.laptopWhat do you usually do with computers?Pre-reading(Our daily life,stud

5、y,work,education)school workgamesemailsmusic and filmschatinformationphotosshoppingReading:Who am I?Task1 Scanning:listen to the text and answer the questions.Who am I?How many times are mentioned in the text?And what happened in these years?a computer.Task 1 listening The computer began as a calcul

6、ating machine1842Alan Turing wrote a book to describe how computers could be made to work and built a“universal machine”I had grown as large as a room1960s Computers were used in offices and homes Become a friend and helper of the human race.What is the order of the text?TimeRead the text and find o

7、ut the topic sentence of each paragraph:Para 1:Para 2:Para 3:Over time I have been changed quite a lot.These changes only became possible as my memory improved.Since the 1970s many new applicationshave been found for me.Task 3 skimming 1)Calculating machine 2)Analytical machine 3)Universal machine 4

8、)Machine with artificial intelligence 5)PC(personal computer)6)LaptopSupporting details:How many kinds of calculating machines were mentioned in paragraph1?Para1 Over time I have been changed quite a lot.17Para.2 These changes became possible as my memory improvedSupporting details:tubestransistorsc

9、hipsnetworkworld wide webPara.3 My new applications have been found for the computers since 1970sSupporting details:communicationsfinancetraderobotsmobile phonerocketsmedical operationsTask 4 Detailed reading(细读)Read the passage paragraph by paragraph more carefully and find more information about c

10、omputers.Para1calculating SimplifylogicallyuniversalUsed in offices and homesSince the 1970sIt was considered a technological revolution and the start of the artificial intelligence.I have changed a lot from acalculating machine to ananalytical machine.I can do many things as human race.Reality1.My

11、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 dont develop enough memory.4.I was able to share my knowledge with others through the World Wide Web in the early 1960s.FFFTThe information was sto

12、red in tubes,then on transistors and later on thechips.I was given a family connected by a network.As I have grown older I have also grown smaller.My memory became so large,like an elephant,that I never forget anything I have been told!.(T or F)Para21.What are the new applications of the computer?2.

13、What role do computers play in the life of human being?Para 3What role do computers play in the life of human being?They provide humans witha life of high quality.They are devoted friends and helpers of the human race.Born:(time)_ (place)_My real father:_My size:1._(in the past)2._(modern)My history

14、:1.1642 _ machine 2.1822 _ machine 3.1936 _ machine 4.1940s _ 5.1970s _ and _My memory:_ _ _My applications:1._ 2._ 3._ 4._ 5._ 6._ 7._1642FranceReviewThe life of Mr.ComputerAlan TuringhugeSmaller and smallercalculatinganalyticaluniversalhuge computerPClaptoptubestransistorschipscommunicationfinance

15、traderobotmobile phonemedical operationspace rocketFill in the blanks:I began as a _ machine in 1642 in France.In 1822 I was built as an _ machine.Then in 1936 Alan Turing wrote a book and built a _ machine.As the years have_ _,I have been made _.There were times when my size _ changed.And my memory

16、 became _ large _ I couldnt believe it.In the 1960s they gave me a family_ by a network.I was able to _with others through the World Wide Web.Since the 1970s many new applications _ for me.calculatinganalyticaluniversalgone bysmallertotallythatconnectedhave been foundshare my knowledgesoYou are given a chance to design a future computer for yourself.Describe what does it look like,and if possible,draw a picture about it.And you will be asked to introduce your computer.(appearance&functions)