Lesson 23 The Internet—Good or Bad？-初中英语 八年级下册 冀教版 同步课件(共25张PPT)

(共25张PPT)
Unit 4 The Internet Connects Us
Lesson 23 The Internet—Good or Bad
1 学习目标 2 新课导入
3 新课讲解 4 当堂小练
5 课堂小结
目录
contents
Make the Ss can master the new words and phrases.
Ask some Ss to talk about the Internet of advantages and disadvantages.
Ask the Ss to use the Internet in right ways,don’t let it take up all of your time..
学习目标
思 考
Now more and more people use the Internet.
What do you think of it
Do you like it
新课导入
THINK ABOUT IT
Why are some parents worried about their kids using the Internet
Does the Internet make life simpler？How
新课讲解
The Internet has changed the world. People are able to connect and share information in seconds. However，the Internet has advantages and disadvantages.
Where do you want to go？With the Internet，you could meet this student . She lives in Africa .
Some of the advantages are truly wonderful . In many ways it makes life easier and simpler . It helps us get things done more quickly . It opens up the world to us . And if a friend lives far away, the Internet makes it easy to stay in touch.
But every coin has two sides. Some of the disadvantages can become real problems if we don’t take care . Spending too much time online is harmful to people’s health . It may even cause them to be less social with family and friends . Aside from that，some people attack the web or use the Internet to steal others’ personal information，even banking information .
The Internet can be a useful tool，but don’t let it take up all of your time . Use the Internet properly and carefully and it can make your life more colourful .
How far do you want to go？The Internet can even take you to the South Pole！
Language point 1
However, the Internet has advantages and disadvantages.
advantage / d'vɑ nt d / n.优势；有利条件；有利因素
反义词为disadvantage n. 不利条件
take advantage of...利用……
e.g. Living in a big city has many advantages.
住在大城市里有很多有利条件。
e.g. We should take advantage of every chance.
我们应该利用每一次机会。
Language point 2
It helps us get things done more quickly.
get sth. done 使某事被做
get 表示“使；让”, 过去分词done 在此作宾语补足语。
e.g. Would you please help me get the door locked
请问你能帮我把门锁了吗？
Language point 3
Spending too much time online is harmful to people’s health.
be harmful to 对……有害
e.g. Watching TV too much is harmful to your eyes.
看太多电视对你的眼睛有害。
相当于do harm to...它的反义短语为be good for... ，
意为“对……有好处”。
Language point 4
The Internet can be a useful tool, but don’t let it take up all of your time.
take up 占据；占用；开始从事；接受( 提议)
占用；占据
e.g. It will take up the whole afternoon to prepare a meal.
准备一顿饭要花整个下午的时间。
1
Read the lesson and fill in the table .
Good things about the Internet
Bad things about the Internet
It makes life easier and simpler. It helps us get things done more quickly. It opens up the world to us. It makes it easy to stay in touch if a friend lives far away.
Spending too much time online is harmful to people's health. It may even cause people to be less social with family and friends. Some people attack the web or use the Internet to steal others' personal information, even banking information.
Let’s Do It!
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
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
√
√
The following are the things you can do on the Internet . Tick the ones that you think are OK for junior high students and give your reasons .
□E mail with friends and family.
□Chat online with friends.
□Download documents from strangers.
□Write blogs.
3
□E mail with strangers.
□Open attachments from strangers.
□Send，receive or post photos with friends.
□Play online games for a whole day.
□Download programs.
□Stay online after 10:00 p.m.
一、词语运用
1．Being tall gives him an ________(优势)over the other basketball
players.
2．This book is written in ________(简明的)English.
3．He paid me in________(硬币)．
4．The _______(起因)of the fire is a cigarette end.
5．We have ________(更少的)trouble now than before.
advantage
simple
coins
cause
less
当堂小练
二、单项选择
1. —What do you think of the sofa
—Not bad, but it may ________ too much space of our living room.
A．take up B．put up
C．open up D．make up
A
2. There will be ________ cars in the city because people will prefer the subway.
A．fewer　　　B．less　　　C．more
A
3. —All things have advantages and disadvantages.
—Sure. ________．
A．East or west, home is the best
B．The early bird catches the worm
C．Many hands make light work
D．Every coin has two sides
D
4. Finish your homework first, and then you'll ________ watch TV for an hour.
A．can B．be able to
C．able to D．could
B
重点单词：cause, less，advantage，simple，coin，banking
重点短语：aside from，be able to do sth. ， far away，be harmful to
重点句子：However, the Internet has advantages and disadvantages.
It helps us get things done more quickly.
The Internet can be a useful tool, but don’t let it take up all of your time.
课堂小结
感 谢 观 看