[名校联盟]江西省信丰中学高中英语教学课件：Book2 Unit3 Computers.ppt

* angry Through her eyes \eyecontact Thousands of Hands Kwan-yin I am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they don’t like me now. Do you know who I am? abacus Guess more: I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems. Do you know who I am? calculator I can be used for calculating. Besides, I can also be used for watching DVD, sending e-mail and communicating through the Internet. However, I am not a PC, because I’m small enough for you to take me with you. notebook computer laptop Do you know who I am? A huge computer A PC What’s next? keyboard mouse monitor screen speaker host computer The elements of computer Who am I ? Skimming: Go over the story to find out who the speaker is. Find out at least 3 sentences to support your idea. It is a computer. ● I was able to share my knowledge with others through the World Wide Web. ………… ●”My real father was Alan Turing ” ● I was built as an Analytical Machine by Charles Babbage.” Scanning I: Find the topic sentence of each paragraph (Ex 2 on the page 19) Para1 Para 2 Para 3 Over time I have been changed quite a lot. These changes only became possible as my memory improved. Since the 1970s many new applications have been found for me. Scanning II: Make a timeline (Ex 1 on the page 19) Timeline 1642: _______________________________________ 1822: The Analytical Machine was made by Charles Babbage. _____: _____________________________________ 1940s: ______________________________________ _____: The first family of computers was connected to each other. 1970s: ______________________________________ Now: _______________________________________ 1642:______________________________ 1822: The Analytical Machine was made by Charles Babbage. _____:_____________________________ 1940s:_____________________________ The comp