1. Unit 3 Computers

2. 1. To summarize and remember the main idea of the passage. 2. To speak out the detailed information of the passage. 3. To know more about the development of computers. 4. To learn some useful words, expressions and patterns in the passage. Objectives

3. Words: simplify, sum, solve, reality, finance, explore, anyhow, goal Expressions: from … on, as a result, so … that … Patterns: At that time … I wonder if … As time went by, …

4. Skimming to get general ideas

5. 1. Who is the speaker in this story? 2. What’s 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. Reading Comprehension I Skimming

6. Scanning to get detail information

7. 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 1 2 3 4 5 6 Reading Comprehension II Scanning

8. 1. My real father was Charles Babbage, who wrote a book and built me in 1936. 2. I began as a calculating machine in Japan in 1642. 3. After 1936, I grew rapidly both in size and in brainpower. 4. As time went by, I was made bigger. Reading Comprehension III Scanning

9. 1. When was the “universal machine” built? A. In 1822. B. In 1642. C. In 1936. D. In 1970. 2. When was the computer the biggest? A. In 1642. B. In 1936. C. In the 1940s. D. In the 1970s. Reading Comprehension IV Scanning

10. 3. 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.

11. 1642 1822 The analytical machine was made by Charles Babbage. The computer began as a calculating machine. 1936 The computer grew rapidly both in size and in brainpower. Finish the table below. Reading Comprehension V Scanning

12. 1940s The first family of computers was connected to each other. 1970s Now 1960s Computers were used in offices and homes. Computers connect people all over the world together. The computer had grown as large as a room.

13. Complete the chart below. Para- graph 1 Para- graph 2 Para- graph 3 Topic sentence Supporting details tubescommunica- tions finance Reading Comprehension VI Scanning

14. Paragraph 1 Topic sentence Over time I have been changed quite a lot. Supporting details 1 calculating machine 2 analytical machine 3 universal machine 4 PC 5 laptop

15. Paragraph 2 Topic sentence These changes only became possible as my memory improved. Supporting details 1 tubes 2 transistors 3 chips 4 network 5 World Wide Web

16. Paragraph 3 Topic sentence Since the 1970s many new applications have been found for me. Supporting details 1 communications 2 finance 3 trade 4 robots 5 mobile phones 6 medical operations 7 space rockets 8 providing a life of high quality

17. Brainstorm a list of things that you, your school and your family use computers for. Think about what you would have to do if you could not use computers any more. Discussion

18. List of use of computers What people did before computers emailwrite letters word processing write by hand or typewriter search for information look in encyclopedia, library, etc watch DVDsgo to the cinema store information write everything down into files and folders

19. palmtop smaller desktop convenient laptop What are today's smaller computers like?

20. virtual keyboard 虚拟键盘 1. What can we do by computer in the future? 2. What can the future computer be like?

21. Debate What are advantages and disadvantages of computers?

22. I began as a __________ ________ in France in 1642. 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 machine analytical machine machine universal smaller clevererquicker Quiz I: Retell the text by filling the following blanks.

23. In the early ______ 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 _______ ____. network 1960s Internet human race officeshomes birth

24. Quiz II: Multiple choice. In the lecture, I can only give you a purely ______ view of how we can live life to the full and make some suggestions about the future. (2010 湖北 ) A. private B. personal C. unique D. different

25. He seems to be giving the impression that he didn’t enjoy himself in Paris. ______, he had a wonderful time. (2012 江西 ) A. Above all B. What’s more C. As a result D. On the contrary

26. Quiz III: Fill in the blanks. 1. He tried to _______ ( 简化 ) the story for the younger audience. 2. The ____ (amount) of thirteen and eight is twenty-one. 3. Students need the ability to construct a ______ (opposite: illogical) argument. 4. Modern __________ ( 工艺 ) is amazing, isn't it? 5. It's the in_________ of her writing that impresses me. simplify sum logical technology intelligence

27. 6. Just calm down - shouting won't _____ ( 解决 ) anything! 7. Her childhood ambition became a ______ (= happened in fact) when she was made a judge. 8. The letter was marked ‘P_______. Strictly confidential.’ 9. We made £700 in _____ (altogether), over three days of trading. 10. The design has many ____________ ( 用途 ). solve reality Personal total applications

28. 11. You need to speak to someone in the fi______ department. 12. The best way to _______ (discover) the countryside is on foot. 13. It may snow, but _______ (anyway) I will go to town. 14. Do you think I'll be able to achieve my ____ (aim) of losing 5 kilos before the summer? 15. Her eyes shone with __________ (joy). finance explore anyhow goal happiness