Transcript On an average, they use computers

Unit 3 Computers
WORD STUDY
Match the words with their meanings!
calculate G
simple-minded C
technological revolution
F
artificial A
intelligence D
mathematical B
analytical E
A made or produced by
man; not real
B of maths
C unable to understand
difficult things
D power of learning,
understanding and
reasoning; mental ability
E of the study of something
by examining its parts
and their relationship
F complete change in
scientific field
G work something out by
using numbers
Make a survey
1) Ask at least six classmates the
following two questions and take notes:
How often do Ss. use computers?
What do they use computers to do?
2) Make a short report in this way:
On an average, they use computers
______ times a week. They mainly use
computers to/ in __________.
Sth. in common
•
•
•
•
•
An abacus
A huge computer
invention
A calculator
A PC
A notebook computer help work
with numbers
differences
size
use
speed
Reading comprehension
Fast reading:
---Get the main idea.
---Find out “Who/What am I”.
• *The main idea of the Reading:
history anddevelopment
• It tells us the ________
__________of
computers.
a computer
•*I am _____________.
Careful reading
---Finish the timeline on
Page19
Timeline
computer began as a calculating machine.
1642:The
_______________________________________
____:
1822 The Analytical Machine was made by Charles
Babbage.
Alan Turing wrote a book to describe how
1936: __________________________________
computers could be made.
Computers had new transistors and became
1960s: ______________________________________
smaller.
1960s
_____: The first family of computers was connected
to each other.
Computers were brought into people’s
1970s: ______________________________________
homes.
Computers connect people all over the world
Now: _______________________________________
together.
Activity: An interview
• Suppose you are a reporter. Now you are
interviewing Mr./Miss Computer.
• Work with your group members to think
out some interesting questions.
• Sample questions:
*What is your newest function(功能）?
*Can you say something about your future plan?
*What do you like to eat?
*What are your hobbies?
• Work with your partners to practise
this interview. One acts as Mr./Miss
Computer, and the other the reporters.
• Sentence focus:
• 1.I follow instructions from cards with holes.我执
行穿孔卡的命令。
• 2. My real father was Alan Turing, who in 1936
wrote a book to describe how computers could be
made to work, and built a “universal machine” to
solve any mathematical problem.
• 3.As the years have gone by, I have been made
smaller and smaller.
• as此处引导时间状语从句，意为“随着…”;
• 4. I was always so lonely standing there by
myself, …
standing there by myself是v.ing形式做伴随状语
• 5 . … they gave me a family connected by a
network.
connected by a network是过去分词短语做定语，
修饰family, 相当于定从：which was connected
by a network.
• 6. At about the same time we learned to talk to
humans using BASIC.
using BASIC是v.ing形式做方式状语，表示“通
过用…”; 相当于“by using …”。