人教版高中英语必修二Unit3 Computers warming and reading课件(共22张PPT)

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名称 人教版高中英语必修二Unit3 Computers warming and reading课件(共22张PPT)
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版本资源 人教版(新课程标准)
科目 英语
更新时间 2018-04-04 20:17:12

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课件22张PPT。Unit3
computersLook at these pictures. What are they called? abacus calculator personal computer huge computer laptop Personal Digital Assistant robot What do they have in common? the different appearance of computer in different periodsWhat do you think will be the next development?Look at the inventions. Can you put them in an order according to the time when they appeared? (P17) ( ) analytical machine
( ) laptop
( ) calculating machine
( ) robot
( ) PC
( ) universal machine251643Who am I ?Who is the speaker of the passage?
What rhetorical method(修辞方法) is used? Can you find some sentences to support your idea?
3. What does the passage mainly talk about?personification The ____________ of computers development Skimming· My real father was Alan Turing, …
· However, people thought I was simple-mindedThe passage is organized in order of ______.
Task 1
Exercise 1 finish the timeline.(P19) Scanningtime 1642:The computer began as a calculating machine.1822:The Analytical Machine was made by Charles Babbage.The computer grew rapidly both in size and in brainpower.1940s:The computer had grown as large as a room.1936: The first family of computers was connected to each other.1970s:Computers were used in offices and homes .Now:Computers connect people all over the world together.1960s:Task 2
Find out topic sentence of each paragraph and supporting details.
(P19)scanning Paragraph1
Over time I have been changed quite a lot.Supporting details
1. calculating machine
2. analytical machine
3. universal machine
4. PC
5. Laptop Paragraph2
These changes only became possible as my memory improved.Supporting details
Tubes
Transistors
Chips
Network
World Wide Web Paragraph3
Since the 1970s many new applications have been found for me.Communications
Finance
Trade
Robots
Mobile phone
Medical operators
Space rockets
Tips
A topic sentence sets out the main idea of a paragraph.
A topic sentence is usually the first or last sentence of a paragraph.
According to what you have learnt in the reading passage to retell the development of computer technology.Retelling Calculating machine
Analytical
machineUniversal
machineArtificial
intelligencecomputerInternetDevelopment of computers1. I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.2. Over time my memory has developed so much that, like an elephant, I never forget anything I have been told.我发育缓慢,差不多到了两百年之后,查尔斯. 巴比奇才把我制成了一台分析机。Important sentences:随着时间的推移,我的记忆能力发展得如此之快,就像一头大象一样,从来不会忘记告诉我的任何事情。3. But I was always so lonely standing there by myself, until in the early 1960s they gave me a family connected by a network.4. Anyhow, my goal is to provide humans with a life of high quality.但是我总是孤孤单单地站在那里,直到二十世纪六十年代初,人们才给了我一个用网络联成的家庭。不管怎么样,我的目标是给人类提供高质量的生活。5. After all, with the help of my electronic brain which never forgets anything, using my intelligence is what I’m all about! (P23)
毕竟,在我过目不忘的电子脑的帮助下,运用智能就是我的一切。