新人教版高一英语必修二Unit3-Readingppt课件

1、Unit 3 Computers Reading,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 Aims,Can you give me the English names of a computer components (组件)

2、? Tips: 1. We can use a computer to 2. It is made up of some parts, such as,Warming up,keyboard 键盘,mouse 鼠标,monitor 显示器,screen 屏幕,speaker 音响,host 主机,components of a computer,screen keyboard mouse monitor DVD-ROM hard disk,1. the part of the computer that looks like a television 2. the part of the mo

3、nitor that you look at 3. something you use to click on things (files, etc.) 4. the part of the computer that you type on 5. the part of a computer that stores information 6. the part of computer that we can put a CD in,Match,WHO AM I,Reading,Skimming to get general ideas,1. Who is the speaker in th

4、is 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,Skimming,Reading Comprehension I,Look at these inventions. Can you put them in an order acc

5、ording to the time when they appeared,) analytical machine ( ) laptop ( ) calculating machine ( ) robot ( ) PC ( ) universal machine,1,2,3,4,5,6,Skimming,Reading Comprehension II,Careful reading,These changes only became possible as my memory improved. Since the 1970s many new applications have been

6、 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 information,1. 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

7、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 False,Scanning,Reading Comprehension III,5. I began as a calculating machine in Japan in 1642. 6. In 1936, I grew rapidly both in size and in brainp

8、ower. 7. As time went by, I was made bigger. 8. Since the 1970s many new applications have been found for me,Scanning,1. 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 18

9、22. B. In 1642. C. In 1936. D. In 1970,Scanning,Reading Comprehension IV,3. 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,Scanning,

10、5. Which of the following is in the right order of time? 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.

11、a. c. b. D. d. b. a. c,Scanning,The computer began as a calculating machine,1936,The computer grew rapidly both in size and in brainpower,Finish the timeline below,Scanning,Reading Comprehension V,1960s,Computers were used in offices and homes,Computers connect people all over the world together,The

12、 computer had grown as large as a room,The history of computers,the second generation (1956-1963,the third generation (1964-1971,the fourth generation(1971-,the first generation (1945-1956,Complete the chart below,Scanning,Reading Comprehension VI,Summary,I began as a _ _ in 1642 in France. In 1822

13、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,smaller,cleverer,quicker,Retell 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 _