who am i ? 3 2 1 1. how many pictures have you seen? 2.can you remember what they are?
TRANSCRIPT
Who am I ?
3
2
1
1. How many 1. How many pictures have you pictures have you seen?seen?
2.Can you remember 2.Can you remember what they are?what they are?
PDA
abacus calculator huge computer
PC
laptop
What do they have in common?
What do they have in common?
• I think that…• In my opinion…• I believe that…
1.They can be used for
calculating.
2.They can deal with
maths problems.
3.They are useful and
helpful.
Discussion
PDA
abacus calculator huge computer
PC
laptop
What’s next?
仿真机器人What’s next?
carry things work in wars ( 战斗 )
work for us in Mars( 火星 )
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Who am I ?
3.Find out topic sentences of each paragraph.
1. Over time I have changed quite a lot.
2. These changes only became possible as my memory improved.
3. Since the 1970s many new applications have been found for me.
2.Get the main idea of the passage.The ___________ and__________ of computers development applications
1.Who am I ? I am a ________.computerPersonification( 拟人)— simple, vivid( 生动的 ), interesting
Task 1: skimming
Task 2 Scanning
Read Para. 1 in 3 mins and find out the development of computers. I’ll give you some clue( 线索 ).
The machine is introducing itself mainly according to _______? A. function B. time C. size
1936
(1822)
16421642
1940s1940s
Later
a calculating machine
an analytical machine Charles Babbage
a universal machine Alan Turing
a huge computer, as large as a room,
a personal computer and a laptop, and used in offices and homes since the 1970s…
Over time I have changed quite a lot.30
Para. 2Para. 2
technical words
chipchip(芯片)(芯片)transistortransistor
(晶体管)(晶体管)tube(tube( 电子管)电子管)
networknetwork(网络)(网络)
the World Wide Web
(万维网)
Para. 2
Read it in 2 mins and use another minute to put forward a question for your classmates.
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Para.3
Find some supporting details for the topic sentence in 1 minute.
Since the 1970s many new applications have been found for me.
Since the 1970s many new applications have been found for me.• communications• finance• trade• robots• mobile phones• medical operations• space rockets • exploring the Moon and Mars
my goal is to provide humans with a life of good quality.
Name : computer Born : (time)_______ (place) __________
My real father: _______________My size: 1._______________( in the past) 2.____________________(modern)My history: 1. 1642 ___________machine 2. 1822__________machine 3. 1936 __________machine 4. 1940s ______________
5. 1970s _______ and ______My memory: _____ ______________ _____ My applications: _______________; ________; _______________; ________; _______________; ______________; _______________...
1642 France Alan Turing
hugesmaller and smaller
analytical calculating
universal
laptopPCtubes transistors chips
communication financerobot
mobile phonespace rocket
medical operationtrade
huge computer
Retell it with the first person
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A summary
Time order (logic)
• Find out the time phrases words or sentences used in the text.
Over time, It took …..before….. After…. At that time, From then on, By the 1940s, As time went by, First, then as my memory improved, As I grew older, Until in the early 1960s, Since the 1970s
What’s the type of the passage?
A. Argumentation 议论 B. Narrative 记叙 C. Exposition 说明
We can use the computer to do a lot of things.
listen to musicWatch moviessearch for …
communicate with… do shopping
What are the advantages and disadvantages of the computers?
Discussion (in groups)
school workgamesemailsmusic and filmschatinformationphotosshopping
advantages
disadvantages:
1. waste too much time in playing computer games.
2.may be cheated ( 欺骗 ) on line.
3. bad for our eyes and health if we spend long time on it.
Advanced words and phrases• Obviously/admittedly• be beneficial to sb • It is convenient for sb to do sth • A source of information• A popular trend
• Be addicted to sth be harmful to a waste of time• Prevent people from communicating with each other face to
face• The two-edged sword• ,which makes/enables/helps…..• It is how to strike a balance between a and dis that counts• It is essential that…..• Only when we adopt an appropriate attitude towards ….can it
serves us well
What have you learned?
summary( 小结 )
Homework
某英文报“读者来信”专栏正在就高三学生家长是否应该为孩子购置电脑这一话题开展讨论。有赞同的,也有反对的。请你向该报编辑写一封英文信,发表你的观点。
要求:条理清楚、行文流畅 字数 100 左右
What is it in English??
Main board( 主板 )
What is it in English?
CPU (central processing unit)
中央处理器
What is it in English?
hard disc
硬盘
What is it in English?
Keyboard ( 键盘 )
What is it in English?
Monitor显示器
Screen 屏幕
What is it in English?
mouse
鼠标
DVD ROM数字通用光盘
What is it in English?