冀教版八年级下Unit 4 The Internet Connects Us Lesson 23 The Internet--Good or Bad?课件（25张PPT）

(共25张PPT)
Lesson 23
Unit 4 The Internet Connects Us
Warm-up
1
Presentation
2
Language Points
3
Exercise
4
Why are some parents worried about their kids using the Internet
Does the Internet make life
simpler How
Warm-up
Think about it!
advantage
disadvantage
simple
coin
cause
less
n. 优势；有利条件
n. 缺点；不利因素
adj. 简单的；简明的
n. 硬币
v. 造成；引起
adj. &adv.更少/小的(地)
n.较少量；较小的部分
Presentation
Learn some new words.
aside
attack
web
steal
banking
properly
adv. 除…之外；在旁边
v. 袭击；损害
n. 网络；网
v.偷盗；窃取
n. 银行业
adv. 正确地
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 is 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 to 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
Read the lesson and write true (T) or false (F).
1.People can connect and share information in seconds.( )
2.The Internet can make our life easier and simpler in many ways.( )
3.Every coin has two sides.( )
4.The Internet is a useful tool so we can’t let it take up all of our time.( )
F
F
T
F
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
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.
Pair Work:
*Work in pairs to talk about the list in Let’s Do It! No.3.
*Ask the pairs to share their answers with class. Discuss.
take over是固定词组，意为“接收，接管；占据”。如：
The Internet can be a useful tool, but don’t let it take over your life.
You should make time for yourself. Don’t let many things take over your life. 你应该为自己腾出时间，不要让太多的事情占据你的生活 。
Language points.
1. ______ the Internet, we can find lots of information.
2. If you are good friends, ________ does not matter.
3. —Is _________ here today
—Yes, we’re all here.
4. My father often ______ her sing songs after school.
5. The computer is an important ______ for teachers now.
tool
I. 选词填空。
everybody, on, tool, hear, distance
On
distance
everybody
hears
Exercise
1. The Internet helps students do their homework. (改为一般疑问句)
______ the Internet ______ students do their homework
2. The hotel is about two kilometres away from here. (对划线部分提问)
______ ______ is the hotel away from here
II. 句型转换，每空一词。
Does help
How far
3. Nobody is in the classroom now. (改为反意疑问句)
Nobody is in the classroom now, ______ ______
4. He didn’t pass the English exam. (改为同义句)
He ______ ______ pass the English exam.
5. I want to go to Shanghai next Sunday. (对划线部分提问)
______ ______ you want ______ ______ next Sunday
Where do to go
are they
failed to
Homework:
Write a passage for junior high students and give them some advice about what to do and not do on the Internet.
Thank You