Module2 Unit3Computers
Aims and requirements:
1. Reorganize and share their background of computers.
2. Learn to predict the content of an article according to details.
3. Know the advantages and disadvantages of computers in daily life.
Process of the study:
I.Warming up.
Questions: What are they?
Look at the pictures and guess their names.
II.Skimming:
Activity 1:
1.Go over the story to find out who the speaker is. ___________________________
2. Choose the best answer.
1). The machine is introducing itself mainly according to________?
A. fun_ction B. time C. size
2). Who was the computer’s real father?
A. Alan Turning B. Not mentioned in the text.
C. Bill Gates D. Charles Babbage
3).The computer almost changed completely _______.
A. in 1642 B. in 1882 C. in the 1960s D. in the 1970s
4). When were the computers connected firstly?
A. In the 1970s B. In the early 1960s C. In 1936 D. In 1822
III.Careful reading
Activity 2:
Topic sentences for each paragraph:
Para 1
Para 2
Para 3
Activity 3: True or False
1.Alan Turing built an Analytical Machine to solve any mathematical problems.( )
2.People began to realize that the computer got cleverer and quicker with time passing. ( )
3.The computer began to serve the human race since it was brought into people’s homes. ( )
4.Since the 1970s, the computer was used by people around the world through the Internet. ( )
5.The larger the computer is, the more memory it has. ( )
Activity 4: Choose the best answer.
1) What’s the main idea of the text?
A. The computer wants to find “who he is”.
B. The functional change of the computer.
C. The computer becomes popular around the world.
D. The history and development of the computer.
2)．Why is Alan Turing called the real father of the computer?
A．He invented the computer.
B．He made the computer smaller.
C．He made the computer widely used.
D．He wrote a book about the computer.
3). Which of the following statements is not right?
A Computer has a long history.
B Computer has changed greatly since it was first made.
C Computers are widely used now.
D Computer was brought into people’s home in the 1960s.
4)．What can we learn from the text?
A．The computer will take the place of human beings.
B．The computer will be smarter than human beings.
C．The computer will be a disaster for human beings.
D．The computer will be used in many fields in life.
IV.Post reading
1. Put them in an order according to the time.
( ) analytical machine ( ) laptop ( ) calculating machine
( ) robot ( ) PC ( ) universal machine
2. Fill in the cloze:
1642
The computer _____ ___ ___ _______ machine．
The _________ machine was made by Charles Babbage.
1936
Alan Turing ____ __ ___ ____ ________ how computers could be made to work．
1940s
Computers had _____ ___ ______ __ a room.
A family of computers was connected by a network.
1970s
First as _ ____and then ___ __ ___ computers were used in offices and homes.
Now
Computers connect people all over the world together
Discussion：
1.What can the computer be used for?
Tips: We can use a computer to …
2. Should high school students surf the internet(上网)?
3.What are advantages and disadvantages of computers?
Advantages
Disadvantages
Conclusion:
There is no doubt that computer has two sides, too. If we make good use of it, it will make our lives more colorful and convenient. But don’t lose yourself in playing computers. Just remember: Keep fit, study well and work hard.
Homework and conclusion:
1. Read the passage again. Underline the sentences that you do not understand and try to solve the problems using context clues and the dictionary.
2. Write a passage about the advantages and disadvantages of computers
3. Prepare for the next period.
课件21张PPT。Unit3 computersWhat is PC? Speak the full name.It means: personal computer.2. What is IT?3. What is W.W.W?World wide web.Science and technology.Information Technology.4. 科学技术。5. 人工智能。Artificial intelligence.I am a machine which is a good helper in doing house work.
I wash clothes for people.
Who am I ?Riddles(谜语):washing machine A machine that you use to talk to other people even in a far-away place.
We are connected by wire or radio.
Now each of us often has a number.
Who am I ?Riddles(谜语):telephoneWith this you can watch different programmers 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 ?Riddles(谜语):TV set 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.
Who am I ?abacusRiddles(谜语):Reading
comprehension Who am I ?2. Choose the best answer.
1). The machine is introducing itself mainly according to________?
A. fun_ction B. time C. size
2). Who was the computer’s real father?
A. Alan Turning B. Not mentioned in the text.
C. Bill Gates D. Charles Babbage
3).The computer almost changed completely _______.
A. in 1642 B. in 1882 C. in the 1960s D. in the 1970s
4). When were the computers connected firstly?
A. In the 1970s B. In the early 1960s
C. In 1936 D. In 1822Topic sentences for each paragraph:
Para 1
Over time I have been changed quite a lot.
Para 2
These changes only became possible as my memory improved.
Para 3
Since the 1970s many new applications have been found for me.III.Careful reading Activity 2:True or False
Alan Turing built an Analytical Machine to solve any mathematical problems.
People began to realize that the computer got cleverer and quicker with time passing.
The computer began to serve the human race since it was brought into people’s homes.
Since the 1970s, the computer was used by people around the world through the Internet.
5. The larger the computer is, the more memory
it has.
FTFTFActivity 4: Choose the best answer.
1) What’s the main idea of the text?
A. The computer wants to find “who he is”.
B. The functional change of the computer.
C. The computer becomes popular around the world.
D. The history and development of the computer.
2)Why is Alan Turing called the real father of the computer?
A．He invented the computer.
B．He made the computer smaller.
C．He made the computer widely used.
D．He wrote a book about the computer.3). Which of the following statements is not right?
A Computer has a long history.
B Computer has changed greatly since it was first made.
C Computers are widely used now.
D Computer was brought into people’s home in the 1960s.
4)．What can we learn from the text?
A．The computer will take the place of human beings.
B．The computer will be smarter than human beings.
C．The computer will be a disaster for human beings.
D．The computer will be used in many fields in life.IV.Post reading
1. Put them in an order according to the time.
( ) analytical machine ( ) laptop ( ) calculating machine
( ) robot ( ) PC ( ) universal machine
2. Fill in the cloze:263541began as a calculatinganalyticalwrote a book about grown as large as PCas a laptopThe future of
the computers
imaginationDiscussion：
1.What can the computer be used for?
Tips: We can use a computer to …
2. Should high school students surf the internet(上网)?
3.What are advantages and disadvantages of computers?
Advantages
DisadvantagesWe can use the computer to…….
listen to musicWatch moviessearch for …communicate with…do shopping Advantages
We can use the compuers to…
1. study
2. communication
3. go shopping
4 surf the web for fun
5. read news both at home and abroad, read books and magazines
…
Disadvantages
Play games a lot .
chatting online a lot and may be cheated (欺骗)by someone
be bad for eyes and health
…
Conclusion:
There is no doubt that computer has two sides, too.
If we make good use of it, it will make our lives more
colorful and convenient.
But don’t lose yourself in playing computers.
Just remember: Keep fit, study well and work hard.Homework :
1. Read the passage again. Underline the sentences that you do not understand and try to solve the problems using context clues and the dictionary.
2. Write a passage about the advantages and disadvantages of computers
3. Prepare for the next period. 1. Put them in an order according to the time.
( ) analytical machine ( ) laptop ( ) calculating machine
( ) robot ( ) PC ( ) universal machine
2. Fill in the cloze:
1642
The computer _____ ___ ___ _______ machine．
The _________ machine was made by Charles Babbage.
1936
Alan Turing ____ __ ___ ____ ________ how computers could be made to work．
1940s
Computers had _____ ___ ______ __ a room.
A family of computers was connected by a network.
1970s
First as _ ____and then ___ __ ___ computers were used in offices and homes.
Now
Computers connect people all over the world together
