Unit3 Computers
Warming-Up
What makes up a computer?????
Mouse
Keyboard
Monitor
Speaker
Headphone
Memory
CPU
(Central processing unit)
Mainboard
……
abacus
calculator
Huge computer
PC(personal computer)
laptop
PDA
robot
Next?
How does the computer develop??
What can computers do?
Calculate
Simplify (difficult sums)
Solve (hard problems)
Bring convenience
Bring happiness
Can you use adjs to describe computers?
Analytical
Intelligent
Universal
Convenient
Reading
Who am I
Warm-up---- who am I?
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?
abacus
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
B. calculating machine
F. analytical machine
D. A huge computer
C. PC (desktop/notebook)
A. universal machine
E. Laptop /Internet
A
B
C
D
E
F
The order :
Fast-reading
The development of computers technology: can you give them an order?
1642
1822 The analytical machine was made by Charles Babbage.
1936
The computer began as a calculating machine.
The computer grew rapidly
both in size and in brainpower.
Careful Reading---- When did these development happen??
1940s
The first family of computers was connected to each other.
1970s
now
The computers had grown as
large as a room.
1960s
Computers were used in
offices and homes.
Computers connect people all over the world together.
Discussion– The greatest change brought by computers in your life.
(T) The greatest change that computers bring to my life is (that)…
… used to …, but now…
… has/have been changed since/when…
I/ We like/ dislike…
It is a/an … (exciting, harmful, disappointing, great, beneficial…) change because…
……
Using Language----Reading
Welcome to androids’ world
Warm-up---- different kinds of androids
With the help of the android, __________________________________________________________________
it will be unnecessary for humans to do some dangerous work.
With the help of the android, ________________________________________________
our life will become more
convenient
With the help of the android, ________________________________________________
there will be more
entertainments
Reading—Create Andy’s file
Name: Andy
Appearance:_____________________
Size: __________________
Job: _______________________
Ability: _____________________________________
Character: _________________________
looks like a human
as big as human being
work as a striker
runs very fast; moves and thinks like a human
co-operative and competitive
Andy is ____ __ a football team. As a ______ on the football team, he can run very fast. His ________ ____ help him _____ and _____ like a human. Last year, his team competed with another one and won the ______ place. He thought the team who won the ____ ____ _______, and he wanted his ___________ to _______ his __________, because he thought that they could work together to _____ an even better ______.
part of
striker
computer chip
think
move
second
first place cheated
programmer
improve
intelligence
create
system
What kind of android do you want most?
I want a robot/android which can help me ….
I would like its size to be as big/ small as ….
Because/ Since/ As I …, when I …, it can ….
It is such a/an … experience to have my own robot/android.
Grammar & Language Point
Revision: Passive Voice (present perfect tense)
The buildings; destroy;
earthquake
The buildings have been destroyed in an earthquake.
Now, listen to find out what is IT.
Part A
What does IT include?
What is the most popular form of IT?
computers, books, radio
and TV
books
Part B
Which form of IT decides the skills of a sport best?
Which form of IT has the most functions?
TV
Computers
Speaking---- Discussion: the Advs and Disadvs of IT
(T)The advantage of … is ….
We think/ don’t think that….
Firstly, ….
Secondly, …. …
(L)_________________ , ….
(T)___________________, … also has disadvantages/ the disadvantage of … is … .
Because … (first, second…)
_____________, we believe/ think/ agree…
Therefore/ Thus/ So
However/Nevertheless/but
Overall/ All in all