unit 3 computers period 2 Reading

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名称 unit 3 computers period 2 Reading
格式 rar
文件大小 3.2MB
资源类型 教案
版本资源 人教版(新课程标准)
科目 英语
更新时间 2009-04-25 01:45:00

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课件25张PPT。Unit 3 ComputersPeriod 2 Reading Answer for EX1& Ex2 on P561.floppy disc
2. chips
3. monitor
4. modem
5.CD-ROM
6.scanner
7. keyboard
8. printer1.printer
2.hard disc
3.monitor
4.keyboard
5.modem
6.floppy disc
7.CD-ROMwords and expression数学的
计算器
信息技术
个人电脑
依...看,据...认为
优点
缺点
算盘
掌上电脑Vt.CalculateInformation TechnologyPersonal Computeradvantage
disadvantage
abacus
palmtopIn one’s opinion MathematicalCalculator (n.)ITPCIntelligence
Analytical machine
Universal machine
Transistor
Artificial intelligence
Technological revolution
fun_ction
智力
分析机
通用机
晶体管
人工智能
科技革命
功能New Words and ExpressionsEarliest computerAnalytical MachineNowadays computerHow does it change?Who am I ?Skimming:
1.who is the speaker ?2.What’s the passage about?It’s about the history of computer.TimeThe computer began as a calculating machine.1822Alan Turing wrote a book to describe how computers could be made to work and built a “universal machine”.Computers had new transistors and became
Small and thin.1960sComputers were brought into people's homes. Computers connect people all over the world
together.Scanning:What is the order of the text?
Alan Turingcalculating machine
PC (desktop
/notebook)analytical
machineuniversal
machineartificial
intelligence
Internet
completing the chart below.Charles BabbageThe “father” (inventor)The history of computerAlan TuringCharles BabbageQ1: How did the computer work as
an Analytical Machine?
The computer followed instructions
from cards with holes.
Q2: What makes the computer totally change his size.
New transistors
Q3: In which way did computers talk to
humans?
Using BASIC.
2. QuestionsQ4: how did computer change in its size, intelligence, speed, fun_ction? And how about people’s opinion?
Size:

Intelligence:
Speed:
Function:
People’s opinion:smallerquickerclevererdealing with …, communicating with…clever
& usefulcalculating?simple-minded?True or False
Alan Turing built an Analytical Machine to solve any mathematical problems.
People began to realize that the computer got cleverer and quicker with time passing.
The computer began to serve the human race since it was brought into people’s homes.
Since the 1970s, the computer was used by people around the world through the Internet.
5. The larger the computer is, the more memory
it has.
FTFTFa universal machineits birthI became small and thin but I got cleverer and cleverer, quicker and quicker. And my memory became so large that I couldn’t believe it!correct the wrong sentencesYou are given a chance to design a future computer for yourself.
Draw a picture about it and describe(描述) what does it look like.
You will be asked to introduce(介绍) your computer. (appearance &functions)Group workvirtual keyboards
虚拟键盘Nose-top
keyboard-vest
What can the future computer be like?
What can we do by computer in the future?DiscussionHomework:1.熟读课文,按时间顺序复述课文,记住文中的黑体字.
2.做书上P19EX1和P20EX2
3.看报纸的B2版面
4.阅读导测P19 A篇robotWhat about in the future?1960sConsolidation: Retellingpalmtop smaller desktop convenient laptop What are today's smaller computers like?Suppose you are a reporter. Now you are interviewing Mr. / Miss Computer.
Sample questions: What do you like to eat?
What are your hobbies?
What is your newest
fun_ction(功能)?
Can you say something
about your future plan? etc.… …Role-playFill in the blanks:
I began as a _______ ________ in
1642 in France. In 1822 I was built as an
_____ ______. Then in 1936 Alan Turing
wrote a book and built a _______ ______.
As the years have___ ___, I have been made
___ ___ ____ but I got ____ ____ ___,
____ __ ____. In the 1960s they gave me a family____ __ __ _____. Now people call it
the Internet. I was _____ ____ ____ ___ in
the 1970s.So I became PC. Since my birth I
have truly been built to serve the human race.calculating machineAnalytical Machineuniversal machinegone bysmaller and smallercleverer and clevererquicker and quickerconnected by a networkbrought into people’s homesInternet
1.What can the computer be used for?Discussionschool work
games
emails
music and films
chat
information
photos
shoppingOur life has changed!