Unit3 computers
Period 1 Reading who am I (By LiuDan)
Step 1 Lead-in
㈠ Welcome to my class! First, let’s play a game! What are they
With the development of science and technology, many new things appear in human being’s life. Let’s guess what they are:
1. With me you can watch different programmes 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. Who am I
2. I am a machine which is a good helper in doing house work. I wash clothes for people. Who am I
3. A machine that you use to talk to other people even in a far-away place. Now each of us often has a number. Who am I
4. It is a machine, which you can use to type your homework, draw pictures, play games, watch movies, listen to music, communicate with your friends, gather information…
5. It is a kind of computer which can be taken conveniently like a notebook.
㈡ Can you give us the English names of a computer components (组件)
① host 主机
② screen 屏幕
③ monitor 显示器
④ speaker 音响
⑤ mouse 鼠标
⑥ keyboard 键盘
Step 2 Revision
Review new words and expressions:
calculating machine 计算机器
analytical machine 分析机
card with holes 穿孔卡
technological revolution 技术改革
intelligence 智力
artificial intelligence 人工智力
universal machine 通用机器
mathematical problems 数学问题
memory 存储容量
transistor 晶体管
World Wide Web 万维网
application 应用
Step 3 Reading
Skimming
① Who is the speaker in this story
______________________________
② What’s the main idea of this passage
A. The development of computers.
B. The development and use of computers.
C. A machine which is simple-minded.
D. Computers may replace human beings.
③ Match the main ideas with the paragraphs.
Para1： These changes only became possible as my memory improved.
Para2: Since the 1970s many new applications have been found for me.
Para3: Over time I have been changed quite a lot.
2. careful reading
Let’s have a more detailed reading!
Read Para. 1 in 2 mins and find out the development history of computers. I’ll give you some clues.
Time Events
1642 The computer began .
1822 ________________________was made by Charles Babbage.
________ The computer grew rapidly both in _______________________.
1940s The computer had grown as large as ___________.
1960s The first family of computers was connected to each other.
1970s Computers were used in offices and homes.
now Computers connect people all over the world together.
Completing the chart below：
The history of computer:
calculating machine ________machine ________machine __________________ Laptop
________________ _____________
Read Para. 2
Memory changes: tube, ________, _______, network, _________________.
Read Para. 3
Topic sentence:
Since the 1970s many new applications have been found for me.
Find some applications for the topic sentence in 1 minute.
communications
______________
trade
______________
mobile phones
______________
______________
exploring ____________
And then, let’s review the structure and main information of this text.
Step 4 Summary
Today we have learnt the history and development of computers.
Meanwhile you also know how widely computers are used in our lives.
Retell the text by filling the following 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 gone by, I have been made _________and ________, but I became ________ and__________. In the __________ they gave me a family connected by a ____________. Now people call it the ____________. I have been used in ___________ and ____________ since the 1970s. So I became PC. Since my _________I have truly been built to serve the_____________.
Step 5 Homework
1. Read the text after class and look for more information about the development of the computer and its applications.
2. Retell the passage.
PAGE
3(共37张PPT)
What are they
Welcome to my class!
First, let’s play a game!
With the development of science and technology, many new things appear in human being’s life.
Let’s guess what they are:
1. With me you can watch different programmes 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.
TV set
2. I am a machine which is a good helper in doing house work.
I wash clothes for people.
Who am I
washing machine
3. A machine that you use to talk to other people even in a far-away place. Now each of us often has a number.
Who am I
telephone
4.It is a machine, which you can use to type your homework, draw pictures, play games, watch movies, listen to music, communicate with your friends, gather information…
Computer
5. It is a kind of computer which can be taken conveniently like a notebook.
A notebook computer or a laptop
Can you give us the English names of a computer components (组件)
keyboard 键盘
mouse 鼠标
monitor 显示器
screen 屏幕
speaker 音响
host
主机
components of a computer
Earliest computer
Analytical Machine
Nowadays computer
Reading:
Who am I
calculating machine
analytical machine
card with holes
technological revolution
intelligence
artificial intelligence
universal machine
mathematical problems
memory
transistor
World Wide Web
application
计算机器
分析机
穿孔卡
科技革命
智力
人工智能
通用机器
数学问题
存储容量
晶体管
万维网
应用
1. Who is the speaker in this story
2. What’s the main idea of this passage
A. The development of computers.
B. The development and use of computers.
C. A machine which is simple-minded.
D. Computers may replace human beings.
A computer.
Skimming
These changes only became
possible as my memory
improved.
Since the 1970s many new
applications have been found
for me.
Over time I have been
changed quite a lot.
Para 1:
Para 2:
Para 3:
Match the main ideas and the paragraphs.
Let’s have a more detailed reading!
Read Para. 1 in 2 mins and find out the development history of computers. I’ll give you some clues.
Time Events
1642
1822 _________________was made by Charles Babbage.
The computer grew rapidly both in
______________________.
1940s
The first family of computers was connected to each other.
1970s
now Computers connect people all over the world together.
1936
The computer had grown as large as_______.
1960s
Computers were used in offices and homes.
The computer began as _______________ .
a calculating machine
a room
size and in brainpower
The analytical machine
Alan Turing
calculating machine
PC (desktop
/notebook)
________
machine
________
machine
Laptop
completing the chart below.
Charles Babbage
The “father” (inventor)
The history of computer
analytical
universal
Para. 2
Para. 2
Memory changes:
tube
transistor
chip
network
The World Wide Web
These changes only became possible as my memory improved.
tubes
transistors
small chips
network
World Wide Web
more
and
more
powerful!
Para.3
Find some applications for the topic sentence in 1 minute.
Topic sentence: 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
Anyhow, my goal is to provide humans with a life of good quality.
1.Topic sentence:
Over time I have been changed
quite a lot
2.supporting details:
calculating machine
analytical machine
universal machine
PC
laptop
para1
And then, let’s review the structure and
main information of this text
Para2
1.Topic sentence
These changes only become
possible as my memory improved
2.Supporting details
tubes
transistors
small chips
network
WWW
Para 3
1.topic sentence
Since the 1970s many new applications have been found for me.
2.Supporting details
communications
finance
trade
robots
make mobile phones
medical operations
space rockets
explore the Moon and Mars
summary
Today we have learnt the history and development of computers.
2. Meanwhile you also know how widely computers are used in our lives.
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 gone by, I have been made _______ and ________
but I became _________ and _________.
calculating machine
analytical machine
machine
universal
smaller
smaller
cleverer
quicker
Retell the text by filling the following blanks.
In the ______ they gave me a family connected by a ________. Now people call it the ________. I have been used in ______ and ______ since the 1970s. So I became PC. Since my _____ I have truly been built to serve the _______ ____.
network
1960s
Internet
human
race
offices
homes
birth
Homework
1. Read the text after class and
look for more information
about the development of the
computer and its applications.
2. Retell the passage.Unit3 computers
Period 1 Reading who am I
By LiuDan
Teaching Aims:
Knowledge Aims:
Get the students learn the useful new words and expressions in this part
Let the students learn about history and basic knowledge of computers.
Ability Aims:
Develop the students’ reading ability and let them learn different reading skills.
Enable students to learn to express their opinions.
Emotion Aims:
Arouse student’s great interest in learning computers and let them learn to use computers in their daily lives.
Develop students’ sense of cooperative learning.
Teaching Difficult Points:
Develop the students’ reading ability
Enable students to learn to express their opinions.
Let students learn to use personification and chronology when writing.
Teaching Important Points:
Let students learn more about history and basic knowledge of computers.
Get students to learn different reading skills.
Teaching Methods:
Task-based teaching and learning.
Cooperative learning
Discussion
Teaching Procedures:
Step 1 Lead-in
㈠ Welcome to my class! First, let’s play a game! What are they
With the development of science and technology, many new things appear in human being’s life. Let’s guess what they are:
1. With me you can watch different programmes 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. Who am I A TV set.
2. I am a machine which is a good helper in doing house work. I wash clothes for people. Who am I
Washing machine
3. A machine that you use to talk to other people even in a far-away place. Now each of us often has a number. Who am I Telephone
4.It is a machine, which you can use to type your homework, draw pictures, play games, watch movies, listen to music, communicate with your friends, gather information… Computer
5. It is a kind of computer which can be taken conveniently like a notebook. A notebook computer or a laptop
㈡ Can you give us the English names of a computer components (组件)
① host 主机
② screen 屏幕
③ monitor 显示器
④ speaker 音响
⑤ mouse 鼠标
⑥ keyboard 键盘
Step 2 Revision
Review new words and expressions:
calculating machine 计算机器
analytical machine 分析机
card with holes 穿孔卡
technological revolution 技术改革
intelligence 智力
artificial intelligence 人工智力
universal machine 通用机器
mathematical problems 数学问题
memory 存储容量
transistor 晶体管
World Wide Web 万维网
application 应用
Step 3 Reading
Skimming
① Who is the speaker in this story
A. computer
② What’s the main idea of this passage
A. The development of computers.
B. The development and use of computers.
C. A machine which is simple-minded.
D. Computers may replace human beings.
③ Find out the main ideas and the paragraphs.
Para1： Over time I have been changed quite a lot.
Para2: These changes only became possible as my memory improved.
Para3: Since the 1970s many new applications have been found for me.
careful reading
Let’s have a more detailed reading!
Read Para. 1 in 2 mins and find out the development history of computers. I’ll give you some clues.
Time Events
1642 The computer began as a calculating machine.
1822 The analytical machine was made by Charles Babbage.
1936 The computer grew rapidly both in size and in brainpower.
1940s The computer had grown as large as a room.
1960s The first family of computers was connected to each other.
1970s Computers were used in offices and homes.
now Computers connect people all over the world together.
Completing the chart below：
The history of computer
calculating machine analytical machine universal machine PC (desktop/notebook) Laptop
Charles Babbage Alan Turing
Read Para. 2
Memory changes: tube, transistor, chip, network, The World Wide Web
Read Para. 3
Topic sentence:
Since the 1970s many new applications have been found for me.
Find some applications for the topic sentence in 1 minute.
communications
finance
trade
robots
mobile phones
medical operations
space rockets
exploring the Moon and Mars
And then, let’s review the structure and main information of this text.
Step 4 Summary
Today we have learnt the history and development of computers.
Meanwhile you also know how widely computers are used in our lives.
Retell the text by filling the following blanks.
I began as a calculating machine in 1642 in France. In 1822 I was built as an analytical machine. Then in 1936 Alan Turing wrote a book and built a universal machine. As the years have gone by, I have been made smaller and smaller, but I became clever and quicker. In the 1960s they gave me a family connected by a network. Now people call it the Internet. I have been used in offices and homes since the 1970s. So I became PC. Since my birth I have truly been built to serve the human race.
Step 5 Homework
1. Read the text after class and look for more information about the development of the computer and its applications.
2. Retell the passage.
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3
