人教版高中英语 必修二 Unit3 《Computers---Reading》 课件(共29张PPT).ppt

1、With the development of science and technology,many new things appear,which make our life easier and more convenient.Lets guess what they are: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 you

2、r eyes.TV I am a machine that you use to talk to other people even in a far-away place.We are connected by wire or radio.Now each of us often has a number.telephoneI am a machine which is a good helper in doing house work.I wash clothes for people.washing machinecalculatorI am very small.I can be us

3、ed for calculating.In China,a lot of students use me when solving mathematical problems.I am a kind of computer which can be taken conveniently like a notebook.laptopWho was I?laptop PCThese changes only became possible as my memory improved.Since the 1970s many new applications have been found for

4、me.Over time I have been changed quite a lot.Para 1:Para 2:Para 3:Read the passage quickly and match the main idea of each paragraph.SkimmingCan 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 comp

5、uters.D.Computers may replace human beings.Read Para 1 and fill in the chart.calculatingSimplify1822logicallyuniversal1970soffices homesPC analytical machine laptopuniversalmachinecalculating machine1.My shape didnt change even though my memory improved.2.The older I am,the larger I have become.3.Ov

6、er 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.FFTTAs a result I totally change my shape.(L18-19)As I have grown older I have also grown smaller.(L20)Read Para 2 and then tel

7、l the statement Trueor False.L20-21L23-2412What roles do computers play in the life of human beings?What are the new applications of What are the new applications of the computer?the computer?Read Para 3 and then answer the following questions.What are the new applications of the computer?communicat

8、ionfinancemobile phonesTrademedical operationspace rocketsrobotsThe _ and the of computers.developmentapplicationsllCalculating machineCalculating machinellAnalytical machineAnalytical machinellUniversal machine Universal machine llPCPCllLaptopLaptopllDevelopment ApplicationsllCommunicationCommunica

9、tionllFinanceFinancellTradeTradellMedical operatorsMedical operatorsllScienceScienceWith the development of computer technology,what do you think will the computer become in the future?DiscussionFuture computer can store a large number of information,and it will be more intelligent,so it can do many

10、 jobs like a normal person.e.g.It can be a doctor,a teacher,a driver and so on.keep watch on our health cure disease 治疗疾病 dont need to go to the hospital remote medical consultation 远程会诊teach you knowledge dont need to go to schoolmore time to learnlYou neednt drive the car by yourselflThe computer

11、examine and repair your carintelligent remote(智能遥控)l use your computer to control household appliances(家用电器)l do housework though you are outsideI will become an intelligent remote(智能遥控)which can be used to control household appliances,such as TV,air-conditioner and light.And I also can help people

12、do housework though they are outside.In a word,I can make peoples life more convenient and comfortable.I will become a/an _which can be used to _ such as_.And I also can help people _ even though they are _.In a word,I can make peoples life _ and _.ConclusionThe computer,based on artificial intellig

13、ence,are still in development,it will be more new-style and more convenient,which functions will be more powerful.Homework 1.Finish exercise 1 on page 56.2.Read the text again after calss and underline the difficult points.3.Write down your opinions about the question in the discussion.Thank you for your listeing!