1. Welcome to our class!

2. Reading
Who am I ?

3. Step1 Pre-reading
Guessing games

4. A PC(=personal computer)
1. It is an old calculating machine used in China until now.
2. It is built to solve some mathematical problems, but it is too big.
3. It’s a new calculating machine which can solve a large number of mathematical problems.
4. It is a computer which can solve all kinds of problems and is widely used in office and homes now.
5. It is a kind of useful computer which can be taken conveniently like a notebook.
An abacus
A huge computer
A calculator
A PC(=personal computer)
A notebook computer/laptop

5. A PC(=personal computer)
A calculator
A huge computer
An abacus
A notebook computer/laptop
A PC(=personal computer)

6. Computer (A) (c) (A) Step2 skimming
Read the passage and answer the questions:
Computer
1. Who am I?
Who was the real father of computers?
Alan Turing B. Charles Babbage
C. Charles Turing D. network
(A)
3.When was the “universal machine” built?
In B. In 1642
C D. in the 1940s
(c)
4. How is the passage organized?
A. Time order B. logical order C. space
(A)

7. Main idea What’s the main idea of this passage? (B)
A. The development of computers
B. The development and use of computers
C. A machine which is simple-minded
D. Computers may replace human being
(B)

8. Topic sentences of each paragraph.
Over time I have changed quite a lot.
These changes only became possible as my memory improved.
Since the 1970s many new applications have been found for me.

9. Read Para.1 and complete the chart below.
Step3 Careful reading
Read Para.1 and complete the chart below.
The development of computers
(In 1642)
(In 1822)
calculating machine
analytical
machine
artificial
intelligence
PC and laptops
huge computer
universal
machine
(In the 1970s)
(In the 1940s)
(in 1936)

10. Paragraph 2 Q: Where was my memory stored? First…. Then…. Later….
tube
transistor
chip
As a result, I’ve become_________

11. Para.3 Since the 1970s many new applications have been found for me.
Find some supporting details for the topic sentence.
Since the 1970s many new applications have been found for me.

12. My application applications robots trade mobile phones medical finance
operations
communications
space
rockets
applications

13. Step4 Retelling
A self-introduction

14. My real father: _______________ My size: 1._________( in the past)
Name : computer
Born : (time)_______
(place) __________
My real father: _______________
My size: 1._________( in the past)
2._________________(modern)
Who am I？
1642
France
Alan Turing
huge
smaller and smaller

15. Who am I？
My history: ___________machine
__________machine
__________machine
s ______________
s _______ and ______
My memory: _____ ______________ _____
My applications: _______________; ________;
_______; _______;_____________; ________________;_______________...
calculating
analytical
universal
huge computer PC
laptop
chips
tubes
transistors
communication
finance
robot
mobile phone
trade
space rocket
medical operation

16. Should high school students surf the internet?
Discussion
Should high school students surf the internet?
I think high school students should
surf the internet because…(first,
secondly, thirdly)
not surf the internet because…(first,
secondly, thirdly…)

17. Advantages We can communicate with friends Listen to the music
See films & watch news
Play games
Do shopping
Save a lot of time
Do a lot of useful things

18. Some people especially the teenagers abandon (沉迷于) themselves to the
Disadvantages
Some people especially the teenagers
abandon (沉迷于) themselves to the
computer games and chatting on the
Internet. As a result, they have little
time to study .
Some people use the computer wrongly.
If you spend too much time on it, it
will do harm to our health.

19. There is no doubt that computer has
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.

20. Step5 Discussion: What do we use computers for in daily life?
entertainment
Computers B E C D A
communication
information
business
work and job

21. Step6 Consolidation
高考链接
语法填空

22. I was born in 1642 in France. In 1822, I ____(build) as an analytical machine. In 1936, my real father, Alan Turing, described how computers could be made ______(work) in a book and solved any mathematic problem by building a ______(universe) machine. People were surprised ____ my artificial intelligence. At first, I was the size of a large room. ___ time has gone by, I have been made smaller and smaller. In ___ 1960s, I got new transistors. My memory became larger and larger, ___ I got cleverer and quicker. I could share information with others and talk to each other by a net. It was in the 1970s ____ my family and I have been used by billions of people. I am happy that I have _____ (true) been built to serve human race since _____ (I) birth.

23. I was born in 1642 in France. In 1822, I was built as an analytical machine. In 1936, my real father, Alan Turing, described how computers could be made to work in a book and solved any mathematic problem by building a universal machine. People were surprised at my artificial intelligence. At first, I was the size of a large room. As time has gone by, I have been made smaller and smaller. In the 1960s, I got new transistors. My memory became larger and larger, and I got cleverer and quicker. I could share information with others and talk to each other by a net. It was in the 1970s that my family and I have been used by billions of people. I am happy that I have truly been built to serve human race since my birth.

24. Homework
1. Review the passage.
2.Finish the Ex2 and Ex3 in Learning about Language on page20.

25. Thank You !
Thank You All!