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高中英语 Unit3 Task课件 新人教版必修2 课件VIP免费

高中英语 Unit3 Task课件 新人教版必修2 课件高中英语 Unit3 Task课件 新人教版必修2 课件高中英语 Unit3 Task课件 新人教版必修2 课件高中英语 Unit3 Task课件 新人教版必修2 课件高中英语 Unit3 Task课件 新人教版必修2 课件
Guess! A toy?A handbag? 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?abacusGuess 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 computerDo you know who I am?A huge computerA PCPalmtop Who am I ?Skimming: Go over the story to find out who the speaker is. Write down 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.” 1642 The Analytical Machine was made by Charles Babbage. 19361940s The first family of computers was connected to each other.1970s nowTimelineThe computer began as a calculating machine .1822Alan Turing wrote a book to describe how computers could be made to work .Computers had grown as large as a room.1960sComputers were used in offices and homes . Computers connect people all over the world together.Scanning:In which order is the text organized?True or False1. Alan Turing built an Analytical Machine to solve any mathematical problems.2. People began to realize that the computer got cleverer and quicker with time passing.3. The computer began to serve the human race since it was brought into people’s homes.4. Since the 1970s, the computer...

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高中英语 Unit3 Task课件 新人教版必修2 课件

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