Module 2 Unit 4 Computers.Reading课件
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| 名称 | Module 2 Unit 4 Computers.Reading课件 |  | |
| 格式 | zip | ||
| 文件大小 | 6.1MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 牛津上海版（试用本） | ||
| 科目 | 英语 | ||
| 更新时间 | 2017-09-16 12:19:06 | ||
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课件18张PPT。Reading2Computers vs humans4ComputersRevision: Can you name the different parts of a computer?monitorscreenkeyboarddrivemain unitspeakersmouseCD-ROM/DVD-ROMflash discA
B
C
D
E
F
G
H
IRevision desktoppalmtoplaptop123And these?Before you read Read the title of the passage. What kind of facts do you think the passage will probably tell us?SIZES:How big are computers?The first computersBefore you read The first computers But now, the size of a TV setthe size of a big bookthe size of a bar of chocolate
small enough to…Tiny computers insideMaybe they are so tiny that we are unaware of them.While you readThe first computers were built in the 1940s. They were bigger than cars! Since then computers have become smaller and smaller. Desktop computers are the size of televisions. Laptops are the size of big books. Now we have palmtop computers. They are small enough to put in your pocket like a bar of chocolate. Other kinds of computers are so tiny that you may be unaware of them. There is probably one inside your TV, telephone, or washing machine. So you probably depend on computers more than you realize.Pair Work: Read the first part of the passage and complete the table.bigger than carsthe size of televisionsthe size of big bookssmall enough to put in your pocket like a bar of chocolateso tiny that you may be unaware of them1.When were the first computers built?
They were built in the 1940s.
2. How big were they?
They were bigger than cars.
3. Computers are becoming smaller and smaller, aren’t they?
Yes, they are.
4. Where can we find tiny computers?
We can find them in our TVs, telephones or washing machines.5. Why are we unaware of them?
Because they are so tiny. / They are so tiny that we are unaware of them.
6. Are computers important in our life?
Yes, they are.
We depend on them very much, maybe more than we realize.
Computers are important in our life, but
What can they do?
What do you do with your computers?
And your parents?
Group work
What can computers do?Group Work: Discussion.It is common knowledge that computers are super calculators. They can calculate very fast and rarely give wrong answers. They can also type, print and draw things. They can teach you and play games with you. More importantly, they can operate railways and fly aeroplanes and spaceships. For these reasons, we often call them electronic brains.It’s common knowledge that computers are super calculators, isn’t it?
Yes, it is.
2. How can they calculate?
They can calculate fast and rarely give wrong answers.
3. What else can they do?
They can also type…teach you…More importantly, they can operate…
4. Why do we call them electonic brains?
Because they can do many things for us.How are computers?
wonderful machines, important, useful
What can they do?
print and draw things, teach you, games…
more importantly, operate railways…Group work: Discuss and Write Computers are ________After you readAssignmentListen and read the text.
Writing: Computers are ________
a bar of chocolate
B
C
D
E
F
G
H
IRevision desktoppalmtoplaptop123And these?Before you read Read the title of the passage. What kind of facts do you think the passage will probably tell us?SIZES:How big are computers?The first computersBefore you read The first computers But now, the size of a TV setthe size of a big bookthe size of a bar of chocolate
small enough to…Tiny computers insideMaybe they are so tiny that we are unaware of them.While you readThe first computers were built in the 1940s. They were bigger than cars! Since then computers have become smaller and smaller. Desktop computers are the size of televisions. Laptops are the size of big books. Now we have palmtop computers. They are small enough to put in your pocket like a bar of chocolate. Other kinds of computers are so tiny that you may be unaware of them. There is probably one inside your TV, telephone, or washing machine. So you probably depend on computers more than you realize.Pair Work: Read the first part of the passage and complete the table.bigger than carsthe size of televisionsthe size of big bookssmall enough to put in your pocket like a bar of chocolateso tiny that you may be unaware of them1.When were the first computers built?
They were built in the 1940s.
2. How big were they?
They were bigger than cars.
3. Computers are becoming smaller and smaller, aren’t they?
Yes, they are.
4. Where can we find tiny computers?
We can find them in our TVs, telephones or washing machines.5. Why are we unaware of them?
Because they are so tiny. / They are so tiny that we are unaware of them.
6. Are computers important in our life?
Yes, they are.
We depend on them very much, maybe more than we realize.
Computers are important in our life, but
What can they do?
What do you do with your computers?
And your parents?
Group work
What can computers do?Group Work: Discussion.It is common knowledge that computers are super calculators. They can calculate very fast and rarely give wrong answers. They can also type, print and draw things. They can teach you and play games with you. More importantly, they can operate railways and fly aeroplanes and spaceships. For these reasons, we often call them electronic brains.It’s common knowledge that computers are super calculators, isn’t it?
Yes, it is.
2. How can they calculate?
They can calculate fast and rarely give wrong answers.
3. What else can they do?
They can also type…teach you…More importantly, they can operate…
4. Why do we call them electonic brains?
Because they can do many things for us.How are computers?
wonderful machines, important, useful
What can they do?
print and draw things, teach you, games…
more importantly, operate railways…Group work: Discuss and Write Computers are ________After you readAssignmentListen and read the text.
Writing: Computers are ________
a bar of chocolate