人教版高中英语必修二Unit3《Computers---Warmingupandreading》课件(共24张)
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人教版英语必修二unit3 computers warming up PPT课件
Alan Turing
4.What were you called in 1936?
.
A universal machine
1. Read the passage and finish the timeline below.
1642 The computer began as a calculating machine．
abacus
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?
calБайду номын сангаасulator
PC laptop PDA
virtual keyboards keyboard-vest
What’s the main idea of the text? A. What a computer is. B. What a computer is used for. C. How the computer becomes popular. D. The history of the computer
Paragraph 2
Topic
These changes only became
sentence possible as my memory
improved
•tubes
Supporting •transistors
details
•chips
•network
•World Wide Web
Topic sentence
4.What were you called in 1936?
.
A universal machine
1. Read the passage and finish the timeline below.
1642 The computer began as a calculating machine．
abacus
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?
calБайду номын сангаасulator
PC laptop PDA
virtual keyboards keyboard-vest
What’s the main idea of the text? A. What a computer is. B. What a computer is used for. C. How the computer becomes popular. D. The history of the computer
Paragraph 2
Topic
These changes only became
sentence possible as my memory
improved
•tubes
Supporting •transistors
details
•chips
•network
•World Wide Web
Topic sentence
人教版高中英语 必修二 Unit3 《Computers ---Warming up 》 课件 (2)(共26张PPT)
years?
Who am I ?
Fast reading
1. Choose the best answer
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
Warming up——Guessing game
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?
Over time I have been changed quite a lot.
These changes only became possible as my memory improved.
Calculating machine Analytical machine Universal machine PC laptop
Unit 3 Computers
Warming up——Guessing game
With the development of science and technology, many new things appear in human being’s life. Let’s guess what they are:
Warming up——Guessing game
Who am I ?
Fast reading
1. Choose the best answer
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
Warming up——Guessing game
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?
Over time I have been changed quite a lot.
These changes only became possible as my memory improved.
Calculating machine Analytical machine Universal machine PC laptop
Unit 3 Computers
Warming up——Guessing game
With the development of science and technology, many new things appear in human being’s life. Let’s guess what they are:
Warming up——Guessing game
高中英语 Unit3 Computers Warming up and reading课
• Help students to express their own opinions in English. Teach them how to make decisions and reasoning. Learn to introduce something in time sequence.
I was brought into people’s homes.
True or False?
F 1. In 1642 I began as a calculating machine and
could solve any cmaalctuhleamtiantgical problem.
F 2. My real father was CAhlarnleTsuBrianbgbage, who
• Teaching aims and demands:
• This unit is concerned with teaching students a little more of the history and development of computers and their applications.
• An abacus is an old calculating machine used in China until now.
• A huge computer is built to solve some mathematical problems. But it is too big.
abacus
huge computer calculator
personal computer notebook computer
Pre-reading
I was brought into people’s homes.
True or False?
F 1. In 1642 I began as a calculating machine and
could solve any cmaalctuhleamtiantgical problem.
F 2. My real father was CAhlarnleTsuBrianbgbage, who
• Teaching aims and demands:
• This unit is concerned with teaching students a little more of the history and development of computers and their applications.
• An abacus is an old calculating machine used in China until now.
• A huge computer is built to solve some mathematical problems. But it is too big.
abacus
huge computer calculator
personal computer notebook computer
Pre-reading
高一英语 Unit 3 Computers(Warming up)课件 新人教版必修2
1) You know, Dorothy, I have one thing in common with you． 2) I have noting in common with him, so how can I get along well with him. 3) In common with many other classmates, I like playing basketball. common knowledge/ sense 常识 common people 普通人，老百姓
7. use the Internet to research information for school tasks 8. buy things on line 9. look at photographs on the computer 10. read news both at home and abroad, read books and magazines
of 1st
machine in France in
paragraph 1642.
Topic sentence
of 2nd
My memory improved.
paragraph
Topic sentence
of 3rd
Since the 1970s many
paragraph new applications have
1. use a computer for school work 2. play games on the computer 3. send emails to friends 4. download music and films 5. surf the web for fun 6. take part in chat groups
新人教必修二Unit3Computers-WarmingupandPre-reading
What is it in English??
CPU (central processing Unit)
中央处理器
What is it in English??
RAM
(随机存储器)
(Random Access Memory )
What is it in English??
hard disc 硬盘
Riddles(谜语):
I am a machine which is a good helper in doing house work. I wash clothes for people.
Who am I ?
washing machine
Riddles(谜语):
• A machine that you use to talk to other
How much do you know
about a computer???
Give the English name of the following pictures of the computer components (组件)
What is it in English??
Main board(主板)
people even in a far-away place. • We are connected by wire or radio. •Now each of us often has a number.
Who am I ?
telephone
Riddles(谜语):
With this you can watch different programmers just at home. I’m a machine that has a screen with moving pictures and sounds. But watching me too much is bad for your eyes.
人教版高中英语 必修二 Unit3 Computers Warming up 课件 共29张
Robot
Robot is a mechanical device that sometimes resembles a human and is capable of performing a variety of complex human tasks on command or by being programmed in advance.
Personal Digital Assistant
A very small light computer that you can carry with you, and that you use to store information such as telephone numbers, addresses, and appointments. Some PDAs can send and receive email, and connect to the Internet.
A PC is a personal computer which can solve all kinds of problems and is used widely now.
A PC / desktop
A laptop / notebook computer
A notebook computer is a kind of useful computer which can be taken conveniently like a notebook.
A calculator
A calculator is a new calculating machine which can solve a large number of mathematical problems .
人教版高中英语 必修二 Unit3 《Computers ---Warming up and reading》 课件 (共24张PPT)
● I was built as an Analytical Machine by Charles Babbage.”
●”My real father was Alan Turing ....”
● I was able to share my knowledge with others through the World Wide Web.
1. Review the passage 2. Do Ex. 1-3 on P19-20. 3. Read the story about
Bill Gates.
……
➢ What do you like to eat? ➢ What are your hobbies? ➢ What is your newest
function(功能)? ➢ Can you say something
about your future plan? etc.
Homeatical problems.
F
2. People began to realize that the computer got
cleverer and quicker with time passing. T
3. The computer began to serve the human race
Nose-top keyboard-vest
What about in the future?
robot
Task 3. Role-play
Suppose you are a reporter. Now you are interviewing Mr. / Miss Computer.
Sample questions:
●”My real father was Alan Turing ....”
● I was able to share my knowledge with others through the World Wide Web.
1. Review the passage 2. Do Ex. 1-3 on P19-20. 3. Read the story about
Bill Gates.
……
➢ What do you like to eat? ➢ What are your hobbies? ➢ What is your newest
function(功能)? ➢ Can you say something
about your future plan? etc.
Homeatical problems.
F
2. People began to realize that the computer got
cleverer and quicker with time passing. T
3. The computer began to serve the human race
Nose-top keyboard-vest
What about in the future?
robot
Task 3. Role-play
Suppose you are a reporter. Now you are interviewing Mr. / Miss Computer.
Sample questions:
人教版高中英语 必修二 Unit3 《Computers ---Warming up 》 课件 (2)(共26张PPT)
tubes transistors chips network World Wide Web
Since the 1970s many new applications have been found for me.
＊ communications ＊finance
＊ trade
＊ robots
＊ mobile phones
2. Where can we usually find the topic sentence? The beginning of the passage.
Task: The passage has three paragraphs. Find out the topic sentence of each paragraph, and the details that are used to support the topic sentences. Then complete the chart in activity 2.
years?
Who am I ?
Fast reading
1. Choose the best answer
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
What bad influences may computers have on us?
Bad for eyes Children may be addicted上瘾to playing computer games.