高中英语人教版必修二unit3 Computers Reading课件（共31张PPT）
文档属性
| 名称 | 高中英语人教版必修二unit3 Computers Reading课件（共31张PPT） |  | |
| 格式 | zip | ||
| 文件大小 | 10.1MB | ||
| 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 | 2019-06-02 06:10:59 | ||
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文档简介
课件31张PPT。Unit 3 ComputersGuessing game Guess! A toy?A handbag?Computerskeyboardmousemonitorscreenspeaker host computerWhat English words do you know about computers?①②③④⑤⑥ 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?abacusGuess more: 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?calculator I can be used for calculating. Besides, I can also be used for watching DVD, sending e-mail and communicating through the Internet. However, I am not a PC, because I’m small enough for you to take me with you.
notebook computer/
laptopDo you know who I am?the history of the computerPDAcalculatorabacuslaptopWrite out all the words you know about computers.computermonitorclicksoftwaresearchupdatedownloadInternetkeyboardWho am I ?Skimming: Go over the story to find out who the speaker is. Write down 3 sentences to support your idea. ● I was able to share my knowledge with others through the World Wide Web.
●”My real father was Alan Turing ....”
● I was built as an Analytical Machine by Charles Babbage.”TimelineThe computer began as a calculating machineThe computer grew rapidly both in size and in brainpower.The computer had grown as large as a room.1960sComputers were used in offices and homes.Computers connect people all over the world together.1642:_______________________________________________
1822:The Analytical Machine was made by Charles Babbage.
1936:_____________________________________________
_________________________________________
1940s:_________________________________________
_____: The first family of computers was connected to
each other.
1970s:_________________________________________
Now:__________________________________________
__________________________________________
ScanningOver time I have been changed quite a lot.Calculating machine
Analytical machine
Universal machine
PC
laptopThese changes only became possible as my memory improvedTubes
Transistors
Chips
Network
World wide webSince the 1970s many new applications have been found for me.Communications
Finance
Trade
Robots
Mobile phones
Medical operations
Space rockets
Providing a life of high qualitycalculatinganalyticalcards with holesuniversal machinememorylaptopthe early
1960s
sharenetwork
ways
Task 5 QUESTION-ANSWER
COMPETITION What is PC? Speak the name on the whole.It means: personal computer.2. What is IT?Information Technology.3. What is PDA?Personal digital assistant.4. What is W.W.W?World wide web.5. 科学技术Science and technology.6. 人工智能Artificial intelligence.7.笔记本电脑Notebook computer.8. Who was the computers’ real father?Alan Turing.What are the advantages and
disadvantages of the
computers?
In my opinion,I can
use the computer
to….
DiscussionWe can use the computer to…….
listen to musicWatch moviessearch for …communicate with…do shopping Advantages
We can use the compuers to…
1. use a computer for school work
2. play games on the computer
3. send emails to friends
4. download music and films
5. go shopping on line
6. use QQ to make friends
7. communicate with others
8. use the Internet to search for information
9. surf the web for fun
10. read news both at home and abroad, read books and magazines Disadvantages
Some students may get too addicted (沉溺于)to it .
Some students waste too much time in playing computer games.
Some students spend too much time in chatting with others and may be cheated (欺骗)by someone on line.
As a result, they have little time to study
It is bad for our eyes and health to spend long time in front of computers.
How useful computers are!InternetComputers have great power. They make our lives more colorful and more convenient.
BUT
Don’t just use computers for fun.
Don’t spend too much time in playing computer games or chatting(聊天) online.
We should learn more computer skills which are very useful in our future work.
Summary about the text.
The computer __________ a calculating machine
in 1642, then in 1822, it was built as an___________
by ________________. At the year of 1936, Alan
Turing ____________ to describe how computers _____________to work , and build a “universal
machine” to solve_________________. With the development of __________________began asAnalytical MachineCharles Babbagewrote a bookcould be mademathematical probleminformation technologyin the 1960s, computers had new
__________and became_______________,
then were connected to each other by
_________. As the years had __________,
computers were___________,people’s
homes. Now computers have become
the most important _________to
_____________all over the world together.
transistorssmaller and smallera networkgone bybrought intotoolsconnect people1960sConsolidation: RetellingHomework:Read the passage fluently.
2. Do Ex on period 2.
3. Retell the passage .Goodbye!
Do you know who I am?abacusGuess more: 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?calculator I can be used for calculating. Besides, I can also be used for watching DVD, sending e-mail and communicating through the Internet. However, I am not a PC, because I’m small enough for you to take me with you.
notebook computer/
laptopDo you know who I am?the history of the computerPDAcalculatorabacuslaptopWrite out all the words you know about computers.computermonitorclicksoftwaresearchupdatedownloadInternetkeyboardWho am I ?Skimming: Go over the story to find out who the speaker is. Write down 3 sentences to support your idea. ● I was able to share my knowledge with others through the World Wide Web.
●”My real father was Alan Turing ....”
● I was built as an Analytical Machine by Charles Babbage.”TimelineThe computer began as a calculating machineThe computer grew rapidly both in size and in brainpower.The computer had grown as large as a room.1960sComputers were used in offices and homes.Computers connect people all over the world together.1642:_______________________________________________
1822:The Analytical Machine was made by Charles Babbage.
1936:_____________________________________________
_________________________________________
1940s:_________________________________________
_____: The first family of computers was connected to
each other.
1970s:_________________________________________
Now:__________________________________________
__________________________________________
ScanningOver time I have been changed quite a lot.Calculating machine
Analytical machine
Universal machine
PC
laptopThese changes only became possible as my memory improvedTubes
Transistors
Chips
Network
World wide webSince the 1970s many new applications have been found for me.Communications
Finance
Trade
Robots
Mobile phones
Medical operations
Space rockets
Providing a life of high qualitycalculatinganalyticalcards with holesuniversal machinememorylaptopthe early
1960s
sharenetwork
ways
Task 5 QUESTION-ANSWER
COMPETITION What is PC? Speak the name on the whole.It means: personal computer.2. What is IT?Information Technology.3. What is PDA?Personal digital assistant.4. What is W.W.W?World wide web.5. 科学技术Science and technology.6. 人工智能Artificial intelligence.7.笔记本电脑Notebook computer.8. Who was the computers’ real father?Alan Turing.What are the advantages and
disadvantages of the
computers?
In my opinion,I can
use the computer
to….
DiscussionWe can use the computer to…….
listen to musicWatch moviessearch for …communicate with…do shopping Advantages
We can use the compuers to…
1. use a computer for school work
2. play games on the computer
3. send emails to friends
4. download music and films
5. go shopping on line
6. use QQ to make friends
7. communicate with others
8. use the Internet to search for information
9. surf the web for fun
10. read news both at home and abroad, read books and magazines Disadvantages
Some students may get too addicted (沉溺于)to it .
Some students waste too much time in playing computer games.
Some students spend too much time in chatting with others and may be cheated (欺骗)by someone on line.
As a result, they have little time to study
It is bad for our eyes and health to spend long time in front of computers.
How useful computers are!InternetComputers have great power. They make our lives more colorful and more convenient.
BUT
Don’t just use computers for fun.
Don’t spend too much time in playing computer games or chatting(聊天) online.
We should learn more computer skills which are very useful in our future work.
Summary about the text.
The computer __________ a calculating machine
in 1642, then in 1822, it was built as an___________
by ________________. At the year of 1936, Alan
Turing ____________ to describe how computers _____________to work , and build a “universal
machine” to solve_________________. With the development of __________________began asAnalytical MachineCharles Babbagewrote a bookcould be mademathematical probleminformation technologyin the 1960s, computers had new
__________and became_______________,
then were connected to each other by
_________. As the years had __________,
computers were___________,people’s
homes. Now computers have become
the most important _________to
_____________all over the world together.
transistorssmaller and smallera networkgone bybrought intotoolsconnect people1960sConsolidation: RetellingHomework:Read the passage fluently.
2. Do Ex on period 2.
3. Retell the passage .Goodbye!