人教版高中英语必修二unit3 Computers 阅读理解 课件
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Heavy!
Difficult!
Hard!
Tired!
Easy!
Fast! Free!
keyboard
mouse speaker
monitor
modem
scanner hard disc printer USB flash disc
Label each part.
monitor 1 hard disk
Strong
Network times
Tubes Large Transistors ____________ Small Small chips Develo Communication _____________ Narrow pment Applications __________ Finance Trade ________ Robots Wide Mobile phones Medical operations _______________ Space rockets ________ Memory stored in
Read the passage and finish the timeline. 1642 The computer began as a calculating machine.
1822 The analytical machine was
made by Charles Babbage.
The computer grew rapidly both 1936 in size and in brainpower. 1940s Computers had grown as large as a room.
Topic sentence Paragra Over time I ph 1 have been changed quite a lot.
Supporting details
Calculating machine Analytical machine Universal machine PC laptop
The history of computers
the second generation (1956-1963)
the fourth generation (1971- )
Supporting details
＊ communications ＊finance ＊ trade ＊robots ＊ mobile phones ＊ medical operations ＊ space rockets ＊ providing a life of
high quality
The first generation (1945-1956)
Read the text quickly.
1. Who am I ?
A. An operator．
C B. Alan Turing．
C. A computer．
D. Human race．
2. What’s the passage about? The text mainly tells us a short history computer of the development of the __________ applications in different fields. and its ____________
Topic sentence Paragra These changes ph 2 only became
possible as my
Supporting details
tubes transistors chips network World Wide Web
memory
improved.
Topic sentence Paragr Since the aph 3 1970s many new applications have been found for me.
Read the passage again and complete the chart below.
Early days
Name
A calculating _________ machine Develop An analytical ________ ment machine
Function
What’s next?
1. Look at the title of the reading passage. Predict what it is going to be about. 2. Do you know in what ways computers are used today? Work out a list and compare it with your partner.
Simplify difficult sums Think logically and produce an answer quickly
Poor
universal Solve difficult A _________ machine ____________ mathematical __________ problems
2 6来自百度文库
screen
3 CD-ROM
5
mouse
4
keyboard
1. Look at these pictures. In pairs discuss what they have in common. 2. What do they tell you about the development of computers? 3. What do you think will be the next development?
The first family of computers was 1960s connected to each other.
1970s Computers were used in offices and homes. now
Computers connect people all over the world together.
Difficult!
Hard!
Tired!
Easy!
Fast! Free!
keyboard
mouse speaker
monitor
modem
scanner hard disc printer USB flash disc
Label each part.
monitor 1 hard disk
Strong
Network times
Tubes Large Transistors ____________ Small Small chips Develo Communication _____________ Narrow pment Applications __________ Finance Trade ________ Robots Wide Mobile phones Medical operations _______________ Space rockets ________ Memory stored in
Read the passage and finish the timeline. 1642 The computer began as a calculating machine.
1822 The analytical machine was
made by Charles Babbage.
The computer grew rapidly both 1936 in size and in brainpower. 1940s Computers had grown as large as a room.
Topic sentence Paragra Over time I ph 1 have been changed quite a lot.
Supporting details
Calculating machine Analytical machine Universal machine PC laptop
The history of computers
the second generation (1956-1963)
the fourth generation (1971- )
Supporting details
＊ communications ＊finance ＊ trade ＊robots ＊ mobile phones ＊ medical operations ＊ space rockets ＊ providing a life of
high quality
The first generation (1945-1956)
Read the text quickly.
1. Who am I ?
A. An operator．
C B. Alan Turing．
C. A computer．
D. Human race．
2. What’s the passage about? The text mainly tells us a short history computer of the development of the __________ applications in different fields. and its ____________
Topic sentence Paragra These changes ph 2 only became
possible as my
Supporting details
tubes transistors chips network World Wide Web
memory
improved.
Topic sentence Paragr Since the aph 3 1970s many new applications have been found for me.
Read the passage again and complete the chart below.
Early days
Name
A calculating _________ machine Develop An analytical ________ ment machine
Function
What’s next?
1. Look at the title of the reading passage. Predict what it is going to be about. 2. Do you know in what ways computers are used today? Work out a list and compare it with your partner.
Simplify difficult sums Think logically and produce an answer quickly
Poor
universal Solve difficult A _________ machine ____________ mathematical __________ problems
2 6来自百度文库
screen
3 CD-ROM
5
mouse
4
keyboard
1. Look at these pictures. In pairs discuss what they have in common. 2. What do they tell you about the development of computers? 3. What do you think will be the next development?
The first family of computers was 1960s connected to each other.
1970s Computers were used in offices and homes. now
Computers connect people all over the world together.