仁爱科普版九上英语Topic 3 China is the third nation that sent a person into space. Section C 课件(共33张PPT)

(共33张PPT)
Unit4 Topic3
China is the third nation
that sent a person into space.
SectionC
Let’s watch a video.
What’s it about
What can we know from it
2. Take notes and answer questions:
The Internet has changed our world a lot.
The whole world is connected.
The Internet is making the world smaller,
like a village.
1. Tick the fields we use the computer in.
education business
industry communication
daily life medical care
entertainment sports
Make predictions
based on what you know.
1a
2. Give an example of its use.
education business
industry communication
daily life medical care
entertainment sports
1a
We were having a class meeting
with the help of the computer.
find diseases easily
find diseases easily
2. What are computers used for
education business
industry communication
daily life medical care
entertainment sports
Computers are important.
The Importance of Computers
the title :
The Importance of Computers
1. Predict (预测) the main idea of the passage
Computers are important in our lives.
Guess the main idea from the title.
Where is usually the topic sentence
in a paragraph
2. Skim the passage and underline the topic sentence of each paragraph!
The topic sentence is usually
in the beginning or at the end of
a paragraph.
Three minutes for you!
1. Since computers were invented in the USA in
the 1950s, they have become very important
in many areas of work and leisure.
2. Since the Internet came into being,
people’s lives at home have been changed, too.
3. Computers have improved our lives,
but they have brought problems, too.
The Importance
of Computers
.
Try to find the structure(结构)
of the passage when reading.
usage
problem
Para.1
Para.2
Para.3
Place The usage of computers
control the speed and direction
find diseases easily and solve other problems
do dangerous work
place and cancel orders
4. Scan Para.1 and underline the
key words to complete the table.
key words are often verbs, nouns or adjectives.
In space
In business
In factories
In hospitals
in work
Two
minutes
.
Nouns, verbs and adjectives
are usually key words.
读书对人类有益是毫无疑问的。
doubt n. & v. 怀疑，疑惑
There is no doubt that….毫无疑问……
There is no doubt that computers are very useful
in technology and business. (Para.1 Line2)
There is no doubt that
reading is good for humans.
5. Read Para.2 & 3 and complete the diagram:
1b
Page 102
daily life
play games and _____________.
_______________ and _____________ at home.
_____________ by sending e-mails and ______________.
watch movies
do shopping
do business
communicate
chatting online
problem
get headaches or _____________.
don’t have enough time __________________.
something on Internet is not ________________.
sore eyes
to study or exercise
true or good
What kind of words or expressions
are useful when giving examples
“for example”, “for instance” and “besides”
are helpful when giving examples.
There minutes for you!

besides意为“除……之外（包括在内）”
except意为“除……之外（排除在外）”。 如：
Besides, not everything we read on the Internet
is true or good for us. (Para.3 Line4)
I have another blue pen besides this one.
除了这支外，我还有另一支蓝色钢笔。（1+1，共2支）
我们都通过了考试，汤姆除外。（所有人中汤姆一人不及格）
We all passed the exam except Tom.
6. The outline(框架) of 1a.
The Importances
of Computers
usage
problem
work
daily
life
control the speed and direction of a spaceship.
help doctors find diseases easily and solve other problems.
control the robots in factories.
help businessmen place and cancel orders.
play games and watch movies.
do shopping and do business at home.
communicate by sending e-mails and
chatting online.
get headaches or sore eyes.
don’t have enough time to study or exercise.
something on Internet is not true or good.
Computers help us at work and at home,
but they must be used properly.
a passage
topic sentence
mind map
title
key words
How often do you use the computer
Often. Sometimes. Seldom. ...
2. What do you often do on the computer
Do some shopping. See movies.
Play games. …
3. What do you think of the computer
Useful. Important. …
4. Do you think the computer is good for us
5. What’s your advice on using computers for your classmates
chat online
do shopping online
do business online
watch games
book tickets
search for information
be bad for eyes
have no time to spend with family
have a risk of depression
2
After discussion, you had better write down the result in the form of a passage.
The Computer
引出话题
用处
弊端
你的建议
title
topic sentence
examples
mind map
We learn: 1. Some words: doubt, cancel, connect , besides
2. Some phrases: no doubt, for instance
3. Some sentences:
(1) There is no doubt that computers are very
useful in technology and business.
(2) Besides, not everything we read on the Internet
is true or good for us.
We can: 1. Talk about the importance of computers.
2. Write the composition The Computer
after discussion.