Unit 4 The Internet Connects Us Lesson 23 The Internet--Good or Bad? 课件21张PPT

(共21张PPT)
Lesson 23
The Internet—Good or Bad
冀教版 八年级下册
Where do these students live
They live in Africa.
With the Internet, we could meet them in seconds.
What’s this
It’s the South Pole. It’s far away from us .
But the Internet can even take us there.
Every ____ has two sides. Everything
has two sides( _________or ____________),
so does the Internet.
coin
advantages
disadvantages
Advantages:
In many ways the Internet makes our life easy and simple.
Spending too much
time online is harmful
to people’s health.
Disadvantages:
Disadvantages:
It may cause people be less social with family and friends.
Disadvantages:
Aside from(除此以外) that, Some people attack the web or steal others’ personal information, even banking information.
So we must use the Internet properly.
Read the lesson and write true (T) or false (F).
1.People can connect and share information in minutes.( )
2.The Internet can make our life easier and simpler in many ways .( )
3.Every coin has three sides.( )
4.The Internet is a useful tool so we can let it take up all of our time.( )
F
F
T
F
seconds
two
can’t
Read Paragraph 1 and 2 and find out the good things about the Internet.
*We can use it to_______ and ______ information ___ _______.
* In many ways it makes life _______ and ________.
*It helps us get things done_______ _______.
*It _______ _______the world to us.
*It makes it ______to stay in touch if a friend
lives_______ _______.
connect
share
more quickly
opens up
easy
far away
easier simpler
in seconds
Read Paragraph 3 and find out the bad things about the Internet.
*Spending ____ _____ time online is _______ to people’s ______.
*It may even ____ them to be ______ ______with family and friends.
*Some people _______ the web or use it to ______ other’s ________ information, even _________ information.
too much harmful
attack steal
personal banking
cause less social
health
Read Paragraph 4 and give some advice for junior high students.
*Don’t let the Internet ______ _____ all of your time.
*Use the Internet _________ and __________.
take up
properly carefully
Listen to the dialogue and tick the correct answers.
1.What are Li Ming and Wang Mei talking about
Their school project.
Their homework.
2.Why does Wang Mei think the Internet is good
She can chat with her friends easily.
She can watch TV programs.
3.Li Ming thinks they should use the Internet___.
carefully and freely
properly and carefully
Most parents and teachers think it is a bad thing to play computer games. They think it is a waste of time and money. Because of computer games, some students don’t care about their study any more. Playing too many computer games is also bad for children's eyes and health.
However, computer games can also bring some benefits. They can help people in many ways if people spend proper time on it. Some computer games can improve people's ability of thinking. They can make people think in different ways. Playing computer games can also help people be familiar with the keyboard. If people are familiar with the keyboard, they can type fast.
More and more people begin to design educational CD-ROM. They hope people can get some knowledge while they are playing computer games.
Playing computer games
Advantages
Disadvantages
*Some computer games can _________people's ability of _________.
*Playing computer games can also help people be _________with the _________and _______ fast. *It is a waste of _______and _______.
*Some students don’t ______ ______ their study any more.
*It is also bad for children's ________ and ________.
improve
thinking
familiar
keyboard
type
time
money
care about
eyes
health.
Read the lesson again and fill in the table.
Good things about the Internet Bad things about the Internet
It makes life easier
and simpler.
2. It helps us get things done more quickly.
3. It opens up the world to us.
4. It is easy to stay in touch with friends.
1. Spending too much
time online is harmful
to people’s health.
2. It causes them to be
less social with family
and friends.
3. Some people attack
the web or steal others’
personal information.
Pair Work:
The good and bad of using the Internet to make up a dialogue.
The Internet is good.
The Internet is bad.
Have a debate!!
The Internet -Good or Bad
Good (Girls) Bad(Boys)
Use the Internet properly and carefully and it can make your life more colourful.
Homework:
Write a passage for junior high students and give them some advice about what to do and not do on the Internet.