人教版高中英语必修二课件：Unit-3-Computers---Reading

1、WHO AM I?ReadingUnit 3 ComputersWHO AM I?ReadingUnit 3 ComputeA toy?A handbag?Computers导A toy?A handbag?Computers导PDAabacuscalculatorhuge computerPClaptopWhats next?Can you tell the development of computers?robotPDAabacuscalculatorhuge PClapt1. Who is the speaker in this story? 2. Whats the main ide

2、a of this passage? This passage mainly talks about the _ of computers.A computer.SkimmingReading Comprehension I思histroy/development1. Who is the speaker in this Para 1:Para 2:Para 3:3.Underline the topic sentence of each paragraph.Over time I have been changed quite a lot.These changes only became

3、possible as my memory improved.Since the 1970s many new applications have been found for me.Para 1:Para 2:Para 3:3.UnderliCareful reading 议展评Careful reading 议展评1. Who really invented the computer? A. Alan Babbage. B. Charles Babbage. C. Charles Turing. D. Alan TuringWhich is true?A. In 1642 I began

4、as a calculating machine and could solve any mathematical problem.B. My real father was Charles Babbage, who wrote a book and build me in 1936.C.Since the 1970s,I have become very important in communication,finance and trade.D.Since my birth I have been built to take the place of human race.Task1 Ch

5、oose the best answer.DC1. Who really invented the comThe computer began as a calculating machine1936The computer grew rapidly both in size and in brainpower.ScanningTask2 Finish the timeline below.1822The computer began as a calcul1960sComputers were used in offices and homes.Computers connect peopl

6、e all over the world together.The computer had grown as large as a room.Now1960sComputers were used in ofanalyticaluniversalmathematical problemstransistorsfinancetradeapplicationsmedical operationsstrongsmallwidesimplify logically analyticaluniversalmathematica What are the advantages and disadvant

7、ages of computers? Should high school students surf the internet(上网)?Task4 Discussion What are the advantages andHelp to do homeworkPlay computer gamesDo shoppingListen to music. Send e-mailsSearch information See moviesLearn computer skills ChatEntertainmentI often use a computer to I sometimes use

8、 it to and I never use it to Help to do homeworkPlay comput advantages we cancommunicate with friends listen to the music see films & watch news play games do shopping save a lot of time do a lot of useful things Disadvantages Some people especially the teenagers abandon (沉迷于) themselves to the comp

9、uter games and chatting on the Internet. As a result, they have little time to study . There is unhealthy informaion on the net. You may lose your private information. Some people use the computer wrongly. advantagesDisadvantages ConclusionThere is no doubt that the computer has two sides ,too. If w

10、e make good use of it, it will make our lives more colorful and convenient. But dont lose yourself in playing computers. Just remember: Keep fit, study well and work hard. ConclusionI began as a _ _ in 1642 in France. In 1822 I was built as an_ _. Then in 1936 Alan Turing wrote a book and built a _

11、_. As the years have gone by, I have been made _ and _ but I became _ and _. calculating machineanalytical machinemachine检:universalsmallersmallerclevererquickerI began as a _ _In the _ they gave me a family connected by a _. Now people call it the _. I have been used in _ and _ since the 1970s. So I became PC. Since my _ I have truly been built to serve the _ _. network1960sInt