普通高中课程标准实验教科书NSEFC必修(2) Unit3 Computers Warming Up& Reading[上学期]

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名称 普通高中课程标准实验教科书NSEFC必修(2) Unit3 Computers Warming Up& Reading[上学期]
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版本资源 人教版(新课程标准)
科目 英语
更新时间 2006-08-23 00:00:00

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课件31张PPT。Unit 3 ComputersGuess! A toy?A handbag?Computers 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?Discussion: What do they have in common?I think that…
In my opinion…
I believe that…
What’ s your reason?
Why do you think so?Giving an opinion:A huge computerA PCthe history of the computerPalmtop Who am I ?Skimming: Go over the story to find out who the speaker is. Write down 3 sentences to support your idea. ● “However, people thought I was
simple-minded until they discovered I had
‘artificial intelligence’.”
●”My real father was Alan Turing ....”
● “Then in 1822 I was built as an Analytical Machine by Charles Babbage.”TimelineThe computer began as a calculating machine.1822Alan Turing wrote a book to describe how computers could be made to work.Computers had new transistors and became
Smaller.1960sComputers were brought into people's homes. Computers connect people all over the world
together.Scanning:In which order is the text organized?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.
FTFTF1. Choose the best answers
1) What’s the main idea of the text?
A. The computer wants to find “who he is”.
B. The functional change of the computer.
C. The computer becomes popular around
the world.
D. The history of the computer.Comprehending:2) What can you infer from the text?
A. The computer has artificial intelligence.
B. The computer changes a lot over the
years.
C. The computer was not connected by a
network until in the early 1960s.
D. Now the computer can only be used to
deal with information.
Q1: How did the computer work as
an Analytical Machine?
The computer followed instructions
from cards with holes.
Q2: In which way did computers talk to
humans?
Using BASIC.
Q3: What does “others” (2.6) refer to?
Other computers.2. Questions
Q4: Why did people think the computer was simple-minded?

Because the computer was made as a calculating machine and was used to solve mathematical problems.
Q5: In how many ways do we say the computer changed? What are they?
Size:

Intelligence:
Speed:
Function:
People’ opinion:smallerquickercleverercalculating----dealing with …, communicating with…simple-minded----clever & usefulLanguage focus:1. As the years have gone by, I have been made smaller and smaller.
go by = pass
随着时间的推移,电脑开始得到人们的认可。
As time went on, computers began to be recognized by people.
随着年龄的增长,我们的阅历也益加丰富。
As we grow older, our experiences become richer and richer.Language focus:2. However, people thought I was simple-minded until they discovered I had “artificial intelligence”.simple-minded=showing very little intelligenceabsent-minded 心不在焉的
open-minded 虚心的,没有偏见的
narrow-minded 心胸狭窄的
single-minded 一心一意的
strong-minded 意志坚强的
weak-minded 低能的,愚蠢的3. And my memory became so large that I couldn’t believe it!
so… that…: 如此….以致于….
He was so excited that he could not speak.
He ran so fast that I couldn’t catch up with
him.
so + 形容词(副词) + that….
such + 名词 + that….
他如此聪明,以致于我们很喜欢他。
He is so clever that we like him very much.
He is such a clever boy that we like him very much.We left early so that we could catch the first bus. so that …: 1) 以致于,结果是;
2) 以便,为的是(in order that) He got up late, so that he didn’t get to school
on time.他起床晚了,以致于不能按时到校。我们早点离开为的是赶上第一班车。1960sConsolidation: Retelling1243561. monitor2. screen3. CD ROM4. mouse5. keyboard6. hard diskTask 1. Label each part1 A monitor is
2 The screen is
3 A keyboard is
4 A mouse is
5 A CD-ROM is
6 A hard disk is (a) the part of a computer that stores information.
(b) the part of the computer that you type on.
(c) the part of the computer that looks like a television
(d) something you use to click on things (files, etc.).
(e) the part of the monitor that you look at.
(f) a separate disk that contains lots of information.
Match the words with their meanings.Internet
1.What can the computer be used for?Task 2. Discussionschool work
games
emails
music and films
chat
information
photos
shoppingOur life has changed!2.What about in the future?virtual keyboards
虚拟键盘Nose-top
keyboard-vest
robotWhat about in the future?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.… …Task 3. Role-playHomework:Review the passage
2. Do Ex. 1-3 on P19-20.
3. Read the story about Bill Gates.palmtop smaller desktop convenient laptop What are today's smaller computers like?