必修2lolympic games[上学期]

文档属性

名称 必修2lolympic games[上学期]
格式 rar
文件大小 1.2MB
资源类型 教案
版本资源 通用版
科目 英语
更新时间 2006-12-21 18:50:00

图片预览

文档简介

课件23张PPT。Welcome to my class! I am very old now. I was born in China. Many people used me for calculating(计算) in the past, but now I am a bit lonely because they don’t like me now.
Do you know who I am?abacusGuess : I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical(数学的) problems.
Do you know who I am?calculatorDo you know who I am ?What can I be used for?What can I be used for?Dealing with informations
Communicating with each other
Sending e-mails
calculating
Watching movies
Playing computer games for entertainment
Who am I ?ReadingSkimming3.When & where was the first computer made? 1.Who was the first person to invent the earliest computer?2.Who was the next important person to design computers?In 1642
In FranceCharles BabbageAlan Turing
1.Where were you in 1642?
3 What were you called in 1936?4 What did you get in the 1960s?What happened to you in the 1970s? 2 What happened to you in 1822?Scanning1642:_______________________________________________
____: The Analytical Machine was made by Charles Babbage.
1936: _______________________________________________
______________________________________________
1960s:______________________________________________
______________________________________________
_____:The first family of computers was connected to
each other.
1970s:______________________________________________
Now:_______________________________________________I began as a calculating machine in 1642 in France.18221960sAlan Turing wrote a book to describe how computers
could be made.Computers had new transistors and became smaller
and smaller.Computers connect people all over the world together.Computers were brought into people’s homes.The computerIn which order is the text organized?In which order is the text organized?Timeline Choose the best answer
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 no artificial intelligence.
B. The computer changes a lot over the
years.
C. The computer was not connected by a
network until in the early 1970s.
D. Now the computer can only be used to
deal with information.
Listening: T or F
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.
FTFTFQ1: 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.3. 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.
a personal computera calculating machinean analytical machinea notebook computera huge computerQ5: 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 & usefulSummary The history of computersDiscussion: What will future computers be like? &What will its newest fun_ction be?virtual keyboards
虚拟键盘Nose-top
keyboard-vest
Homework:Write a passage to describe your future ideal computer.
Thanks For Your Coming