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(共15张PPT)
冀教版八年级下册
Lesson 23 The Internet—Good or Bad
学习目标
Summarize the advantages and disadvantages of the Internet .
Express your own views about using the Internet properly and carefully with the expressions we’ve learnt.
激趣导入
Enjoy and think Do you often use the Internet
What do you often do on the Internet Why do you use the Internet
Before-Reading
1.People can connect and share information in seconds.
2.The Internet can make our life easier and simpler in many ways .
3.Some disadvantages can become real problems.
4.The Internet is a useful tool so we can't let it take up all
of our time.
Listen to the tape and write true or false
While-Reading
Good things about the Internet
Bad things about the Internet
It makes our life easier and simpler.
It helps us get things done quickly.
It opens up the world to us.
If a friend lives far away, the internet makes it easy to stay in touch.
Spending too much time online is harmful to people's health.
It may cause someone to be less social with family and friends.
Some people attack the web or use the internet to steal others' personal information.
Every coin has its two sides.
Extended Reading
We should use the Internet properly and carefully.
Don't let it take up much of your time .
Use the Internet to do what you should do
Let the Internet help you, not do harm to you
We Must Know
Language points
1. People are able to connect and share information in seconds.
①be able to do sth. “能，能够”，有人称和时态的变化。
②can “能，会”，只有现在时can和过去时could两种时态，没有人称变化。
I will be able to go home in two weeks.
2.advantage n.“优势，有利因素”
take advantage of ... “利用......”
He took advantage of the good weather to go for a walk.
3. It helps us get things done more quickly.
它能使我们把事情做得更快。
get sth. done（过去分词） “完成，做完某事”
I got my homework finished. 我做完了作业。
I am going to get/have my hair cut. 我要去剪发
4. And if a friend lives far away, the Internet makes it easy to stay in touch.
如果朋友住得很远，互联网使相互联系变得容易。
“make+ it+ adj. (+for sb.) +to do”“使做某事变得……”
The teacher tried to make it interesting for the students to learn math.
老师尽力使数学学起来有趣。
5. Aside from that, some people attack the web……除那之外，一些人还攻击网站…… aside from 除…以外
Aside from these two books,she wrote some plays（可 数名词，剧本）.
6. The Internet can be a useful tool, but don’t let it take up all of your time.
take up 占用（时间）；占据（空间）。
The table takes up too much room.
这张桌子太占地方。
I won’t take up any more of your time.
我不再占用你的时间了。
7. be harmful to 对……有害处
Smoking can be harmful to your health.
吸烟会对你的身体有害。
Fruit juice can be harmful to children’s teeth.
果汁可能损坏儿童的牙齿。
Time for exercise
1.In this economy you need every __________ (优势).
2. The problem is by no means as _______ (简单的) as we first thought.
3. This may all seem like a distant dream, but it is not so _____ _______ (遥远的).
4. You can include contact information so you can ______ ____ _______(保持联系).
5. As a popular saying goes, every_____ (硬币) has two sides.
Fill in the blanks with correct words.
1.整个操作在数秒钟内完成。
The whole operation was over in seconds.
2. 我们会坚持不懈，直到这项工作完成。
We will stay on it until we get the job done.
3. 请记住一切都有对立面.
Please remember that every coin has two sides.
4. 练习使学好英语变得容易。
Practice makes it easy to learn English well.
5. 花太多时间玩电脑对孩子的眼睛有害。
Spending too much time on playing computer games
are harmful to children's eyes.
Translate the following sentences.
1. Review the words and
expressions we learnt today.
2. Make five sentences using
the words and expressions
we learnt today.
Homework

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