Unit 4 Lesson 23 The Internet—Good or Bad 课件(共26张PPT) 2023-2024学年冀教版英语八年级下册

(共26张PPT)
Unit 4
Lesson 23 The Internet—Good or Bad
新课导入
Revision:
Work in pairs to ask and answer like this:
A: What can you do on a computer
B: I can …on a computer.
A: How do you use the Internet
B: I use the Internet to …
1.能熟悉并能正确运用本课时的重点单词和短语
2.能够正确地看待互联网的利与弊
3.能够正确看待并合理利用互联网学习
预习检测
1. It is 　　　　cold today.
A.much too B.too much
C.too many D.many too
2. She gets her coat 　　　　.
A.wash　　 B.washing　
C.to wash　　 D.washed
A
D
3.The Internet can be_______useful tool in our life.
A.an B.a C. the D./
4. One of the advantages is that the Internet makes_____
easy to stay in touch.
A.them B.it C.one D.that
5. Homework______much of my time.
A.takes off B.takes on
C.takes up D.takes down
B
B
C
知识梳理
1. People are able to connect and share information in seconds.
be able to do sth. 意为“能, 能够”，主要指具体做某件事的能力，有人称和时态的变化。情态动词can
也表示“能,会”，只有现在时can和过去时could两种时态，没有人称变化。
eg: Can you come tomorrow
He said that we could go there by bus.
Will you be able to come tomorrow
I’m able to do the work all by myself.
2. It helps us get things done more quickly.
get sth. done “完成，做完某事”，通常由自己完成。
此外，get/have sth. done还有“让某人做某事”的意思。
Eg: I got my homework finished.
I am going to get/have my hair cut.
in seconds 短时间内；几秒钟之内
Eg: You press a button and it comes on in seconds.
3. And if a friend lives far away, the Internet makes it easy to stay in touch.
1).“make+ it+ adj. (+for sb.) +to do”意为使做某事变得……”。
Eg: The teacher tried to make it interesting for the students
to learn math.
2). far away 遥远的；在远处
eg: Suddenly they seem to be hearing something from far away.
eg: Some jobs are far away, in another province.
eg: I finished college and live far away from her.
4. But every coin has two sides.
此句直译为“每个硬币都有两面”。
在写作时，一般作名言使用。
eg: As we know, every coin has two sides.
正如我们所知道的，凡事都有两面性。
eg: Every coin has two sides, so does the Internet.
凡事都有两面性，因特网也是如此。
5. Spending too much time online is harmful to people’s health.
be harmful to 对……有害处
Eg: Smoking can be harmful to your health.
Eg: Fruit juice can be harmful to children’s teeth.
6. It may even cause them to be less social with family and friends.
cause意为“造成，使(发生)”，其后可直接造成的结果或发
生的事情作宾语，也可跟双宾语或接动词不定式复合结构作宾语。
Eg: Smoking can cause lung cancer.
The cold water caused the plant to die.
What caused her to cry
7. Aside from that, some people attack the web……
aside from 除…以外
Eg: Aside from headaches, he showed no signs of lasting brain damage.
Aside from learning about unconditional love,
they also learn responsibility and respect.
aside from 作“除……之外(还)”讲时，相当于besides；作“除了……外(都)”讲时，相当于except。 Aside from John，we all went there .
除了约翰(去了)之外，我们都去那儿了。
(包含约翰)
Aside from John，we all went there .
除了约翰(没去)外，我们都去那儿了。
(不包含约翰)
besides besides 意为“除了……之外(还)”，表示的是追加关系，整体中包括了“除了”的部分。 Besides his wife, his daughter
also went to see him .
except except 意为“除了……(都)”，表示的是剔除关系，整体中不包括“除了”的部分。 I seldom go to work by bus
except when it rains .
辨析: aside from, besides与except
8. 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）。
eg: The table takes up too much room.
I won’t take up any more of your time.
THINK ABOUT IT
Why are some parents worried about their kids using the Internet
Does the Internet make life simpler How
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 .
用英语简单描述互联网的利弊
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 !
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.
2. 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
√
√
√
3. 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.
□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.
Good
Bad
or
The Internet
Positive Side（正方） Negative Side（反方）
1. make…easier and simpler 1. cause us to be less social with …
2. open up the world 2. …attack the web
3. stay in touch with 3. steal…
… …
Debate（辩论）
活动小结
1. 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
2. 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.
harmful
attack steal
banking
cause less social
health
too much
personal
当堂检测
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).
advantage
simple
far away
stay in touch
根据所给汉语意思填空
5. As a popular saying goes, every_____ (硬币) has two sides.
6. Television can also be__________ (有害的) to us.
7. What _______ (导致) the illness
8. He ______ ____(占用) too much time to play computer games
every day.
9. ______ _____ (除了)being fun and good exercise,swimming is a very
useful skill．
harmful
cause
takes up
Aside from
coin
Unit 4
Lesson 23
重点短语：
in seconds，far away
aside from，take up
personal information
重点单词：
advantage, simple,
coin, cause, less,
steal, aside, web, attack, properly,
disadvantage