新人教版高一英语必修二Unit3Reading课件.pptx

Unit 3Unit 3 ComputersComputersReading 1. To learn about something about computers.2. Reading and understanding, catching the history and information of the passage“who am I ?”.3.Functional item, how to tell the history about the computer.Learning AimsCan you give me the English names of a computer components (组件组件)?Tips: 1. We can use a computer to 2. It is made up of some parts, such asWarming upkeyboard 键盘键盘mouse 鼠标鼠标monitor 显示器显示器screen 屏幕屏幕speaker 音响音响host 主机主机components of a computerscreen keyboardmouse monitorDVD-ROM hard disk1. the part of the computer that looks like a television2. the part of the monitor that you look at3. something you use to click on things (files, etc.)4. the part of the computer that you type on5. the part of a computer that stores information6. the part of computer that we can put a CD inMatch Match WHO AM I?ReadingSkimming to get general ideas1. Who is the speaker in this story? 2. Whats the main idea of this passage? A. The development of computers. B. The development and use of computers. C. A machine which is simple-minded. D. Computers may replace human beings.A computer.SkimmingReading Comprehension I Look at these inventions. Can you put them in an order according to the time when they appeared? ( ) analytical machine ( ) laptop ( ) calculating machine ( ) robot ( ) PC ( ) universal machine 123456SkimmingReading Comprehension IICareful reading These changes only became possible as my memory improved.Since the 1970s many new applications have been found for me.Over time I have been changed quite a lot.Para 1:Para 2:Para 3:Match the main ideas and the paragraphs.Scanning to get detail information1. My real father was Charles Babbage, who wrote a book and built me in 1936.2. After I got my new transistors in the 1960s, I became smaller but cleverer and quicker.3. I was brought into peoples homes in the 1970s.4. Since my birth I have been built to take the place of the human race.True or FalseScanningReading Comprehension III5. I began as a calculating machine in Japan in 1642. 6. In 1936, I grew rapidly both in size and in brainpower.7. As time went by, I was made bigger.8. Since the 1970s many new applications have been found for me.Scanning1. Who was the first person to make the earliest computer? A. Alan Turing. B. Charles Babbage. C. Charles Turing. D. Alan Babbage.2. When was the “universal machine” built? A. In 1822. B. In 1642. C. In 1936. D. In 1970. ScanningReading Comprehension IV3. When was the computer the biggest? A. In 1642. B. In 1936. C. In the 1940s. D. In the 1970s.4. How old is the computer? A. About 170 years old. B. About 270 years old. C. About 370 years old D. About 470 years old.Scanning5. Which of the following is in the right order of time?a. The computer was connected with other computers.b. Alan Turing wrote a book about the computer.c. The computer has been sent to explore the Moon and Mars.d. The computer began to simplify difficult sums. A. a. b. c. d. B. b. c. a. d. C. d. a. c. b. D. d. b. a. c.Scanning16421822The analytical machine was made by Charles Babbage.The computer began as a calculating machine1936The computer grew rapidly both in size and in brainpower.Finish the timeline below.ScanningReading Comprehension V1940sThe first family of computers was connected to each other.1970s Now1960sComputers were used in offices and homes.Computers connect people all over the world together.The computer had grown as large as a room. The history of computersthe second generation (1956-1963)the third generation (1964-1971)the fourthgeneration(1971- )the first generation (1945-1956)Complete the chart below. Para-graph 1Para-graph 2Para-graph 3Topic sentenceSupporting detailstubescommunica-tions financeScanningReading Comprehension VIParagraph 1Topic sentenceOver time I have been changed quite a lot.Supporting details1 calculating machine2 analytical machine3 universal machine4 PC5 laptopParagraph 2Topic sentenceThese changes only became possible as my memory improved.Supporting details1 tubes2 transistors3 chips4 network5 World Wide WebParagraph 3Topic sentenceSince the 1970s many new applications have been found for me.Supporting details1 communications 2 finance 3 trade4 robots 5 mobile phones6 medical operations7 space rockets8 providing a life of high qualitySummarySummaryI 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 _ _. As the years have gone by, I have been made _ and _ but I became _ and _. calculating machineanalytical machinemachineuniversalsmallersmallerclevererquickerRetell the text by filling the following blanks.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 _ _. network1960sInternethumanraceofficeshomesbirthHomework1. Read the text after class and look for more information about the development of the computer and its applications.2. Retell the passage.