人教版高中英语必修2 Unit 3 computers 阅读课Who am I课件（共20张）
文档属性
| 名称 | 人教版高中英语必修2 Unit 3 computers 阅读课Who am I课件（共20张） |  | |
| 格式 | zip | ||
| 文件大小 | 892.5KB | ||
| 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 | 2020-03-26 12:00:22 | ||
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文档简介
(共25张PPT)
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.
an abacus
Who am I?
I can help you find the information you want. I can also be used for watching DVD, sending e-mails and communicating through the Internet.
Who am I?
a computer
I am very small. I can be used for calculating. In China, a lot of students use me when they solve mathematical problems.
a calculator
Who am I?
a mobile phone
Who am I?
I am fashionable.I am small, usually about the same size as your hand.With me, you can talk with your friends far away, or send short messages to them.
can be moved easily from place to place.
1. Who is the speaker？How do you know?
2. What is the main idea of the passage?
It’s mainly about the ___________of the computer.
development
Go over the passage to find out：
——The passage is written in the first person.
analytical machine分析机/calculating machine计算机器
robot / laptop / PC /universal machine通用机器
Put these inventions in time order.
calculating
machine
analytical
machine
universal
machine
personal
computer
laptop
In 1642
Nearly 200 years later
In 1936
Since the 1970s
a calculating machine
It began in______ in 1642.
It could ________ difficult sums.
France
simplify
make things easier
an analytical machine
It could think_______, so it was considered a ___________ revolution and the start of ________ intelligence.
logically
Who built it?
technological
artificial
A. real
B. man-made
C. natural
a universal machine
Who is the computer’s real father?
It could _______ any difficult mathematical problem. From then on, it grew rapidly both in _______ and in ____________.
solve
Alan Turing
size
brainpower
an analytical machine
At the end of ________, the designers were worried because of the ______ that the computer has grown_______
a room.
A huge computer
the 1940s
reality
as large as
What is the topic sentence of Para.1?
These changes only became …improved
Over time I have been changed quite a lot.
transistors
small chips
network
the World Wide Web
Since the 1970s many new applications..
trade
robots
mobile phones
medical operations
rockets
uses
What’s the goal of these applications?
To provide humans with a life of high quality
Para.1 Para.2 Para.3
Topic sentence
Supporting details Calculating machine
Analytical machine
Universal machine
PC
laptop tubes电子管
communications
finance
The computer had artificial intelligence
when it was born.
2. Elephants will never forget anything that
they have been told.
3. People could share information with
each other through the Internet before the
early 1960s.
4. As time went by, the computer totally
changed its shape because the memory was
stored on transistors.
True or False
F
T
F
Until in the early 1960s the computers were connected by a network.
F
small chips
______ the computer has been changed a lot. When it served as a ________ machine, it could only _______ difficult sums. After it was built as an _______ machine it could think_______. In 1936 Alan Turing made it to work as a universal machine to ______ mathematical problems. Since the 1970s, it has been used in_______ and homes.
The development of computer
Over time
calculating
simplify
analytical
logically
solve
offices
At first, the computer was huge and lonely. As time _________, it was made smaller because the memory was _______ on chips. As a________ it totally changed its shape. Since the early 1960s, it has been ________ by a network, and many ____________ have been put in the computer to _______ humans with a better life.
The development of computer
went by
stored
result
connected
applications
provide
The Development of the Computer is written in the third person while Who Am I is written in the first person. Which one is better? Why do you think so?
Homework
1. 课本P20的Part1和Part2；
2. 堂堂清P31的IV和P33的III
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.
an abacus
Who am I?
I can help you find the information you want. I can also be used for watching DVD, sending e-mails and communicating through the Internet.
Who am I?
a computer
I am very small. I can be used for calculating. In China, a lot of students use me when they solve mathematical problems.
a calculator
Who am I?
a mobile phone
Who am I?
I am fashionable.I am small, usually about the same size as your hand.With me, you can talk with your friends far away, or send short messages to them.
can be moved easily from place to place.
1. Who is the speaker？How do you know?
2. What is the main idea of the passage?
It’s mainly about the ___________of the computer.
development
Go over the passage to find out：
——The passage is written in the first person.
analytical machine分析机/calculating machine计算机器
robot / laptop / PC /universal machine通用机器
Put these inventions in time order.
calculating
machine
analytical
machine
universal
machine
personal
computer
laptop
In 1642
Nearly 200 years later
In 1936
Since the 1970s
a calculating machine
It began in______ in 1642.
It could ________ difficult sums.
France
simplify
make things easier
an analytical machine
It could think_______, so it was considered a ___________ revolution and the start of ________ intelligence.
logically
Who built it?
technological
artificial
A. real
B. man-made
C. natural
a universal machine
Who is the computer’s real father?
It could _______ any difficult mathematical problem. From then on, it grew rapidly both in _______ and in ____________.
solve
Alan Turing
size
brainpower
an analytical machine
At the end of ________, the designers were worried because of the ______ that the computer has grown_______
a room.
A huge computer
the 1940s
reality
as large as
What is the topic sentence of Para.1?
These changes only became …improved
Over time I have been changed quite a lot.
transistors
small chips
network
the World Wide Web
Since the 1970s many new applications..
trade
robots
mobile phones
medical operations
rockets
uses
What’s the goal of these applications?
To provide humans with a life of high quality
Para.1 Para.2 Para.3
Topic sentence
Supporting details Calculating machine
Analytical machine
Universal machine
PC
laptop tubes电子管
communications
finance
The computer had artificial intelligence
when it was born.
2. Elephants will never forget anything that
they have been told.
3. People could share information with
each other through the Internet before the
early 1960s.
4. As time went by, the computer totally
changed its shape because the memory was
stored on transistors.
True or False
F
T
F
Until in the early 1960s the computers were connected by a network.
F
small chips
______ the computer has been changed a lot. When it served as a ________ machine, it could only _______ difficult sums. After it was built as an _______ machine it could think_______. In 1936 Alan Turing made it to work as a universal machine to ______ mathematical problems. Since the 1970s, it has been used in_______ and homes.
The development of computer
Over time
calculating
simplify
analytical
logically
solve
offices
At first, the computer was huge and lonely. As time _________, it was made smaller because the memory was _______ on chips. As a________ it totally changed its shape. Since the early 1960s, it has been ________ by a network, and many ____________ have been put in the computer to _______ humans with a better life.
The development of computer
went by
stored
result
connected
applications
provide
The Development of the Computer is written in the third person while Who Am I is written in the first person. Which one is better? Why do you think so?
Homework
1. 课本P20的Part1和Part2；
2. 堂堂清P31的IV和P33的III