1. Unit 3 Reading Who Am I? 彩虹中学 韩晶

2. Do you know them? keyboard mouse floppy disc USB flash disc

3. PC laptop

4. PDA robot

5. Analytical Machine Laptop What do you think the text may talk about according to the pictures and the title?

6. calculating machine calculating machine laptop analytical machine universal machine PC (Personal Computer) robot Enjoy the video and complete the chart below. The history of computers

7. Pre-reading 1. Do you know in what ways computers are used today? Work out a list and compare it with your partner.

10. 1. use a computer for school work 2. play games on the computer 3. send emails to friends 4. download music and films 5. surf the web for fun 6. take part in chat groups

11. 7. use the Internet to search for information 8. go shopping on line 9. look at photographs on the computer 10. read news both at home and abroad, read books and magazines

12. 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 being Fast-reading 1. Who is the speaker in this story? A computer. Listen to the tape and answer the following questions.

13. ( ) ① I began as a calculating machine in Japan in 1642. ( ) ② In 1936, I grew rapidly both in size and in brainpower. ( ) ③ As time went by, I was made bigger. ( ) ④ Since the 1970s many new applications have been found for me. 3. True or False F T F T

14. Detailed reading 1) Where were you in 1642? 2) What were you called in 1936? 3) What happened to you in the 1970s? In France. A universal machine. Since the 1970s many new applications have been found for me.

15. TimeEvents 1642 1822The analytical machine was made by Charles Babbage. 1940s The first family of computers was connected to each other. 1970s Now Further-reading The computer began as a calculating machine. 1936 The computer had grown as large as a room. 1960s Computers were used in offices and homes. Computers connect people all over the world together. The computer grew rapidly both in size and in brainpower.

16. Read the passage again. Find the topic sentence of each paragraph and the supporting details. Paragraph 1: Over time I have been changed quite a lot. 1. calculating machine 2. analytical machine 3. universal machine 4. laptop While-reading

17. Paragraph 2: These changes only became possible as my memory improved. 1. tubes 2. transistors 3. chips 4. network 5. World Wide Web While-reading

18. Paragraph 3: Since the 1970s many new applications have been found for me. 1. communications 2. finance 3. trade 4. robots 5. mobile phones 6. medical operations 7. space rockets 8. providing a life of high quality While-reading

19. Summary I, the _________, was a calculating machine in 1642 in _______.In 1936, I became a “_________ machine” to _____any mathematical problem. Since the 1970s I have been used first as a ___ and then as a _______in office and ______. Many changed have happened to my ____, so my _______totally changed. I have been widely used in many fields, I have also been put into robots to _______the Moon and Mars. computer Franceuniversal solve PC laptop homes size shape explore

20. virtual keyboards 虚拟键盘 Nose-top keyboard-vest 1.What can we do by computer in the future? 2.What can the future computer be like? Discussion

21. Homework: Suppose your partner is a famous computer expert, and you are a reporter. What do you want to know about the history and the uses of computers? Make a conversation with your partner.