新冀教版八年级下册英语Lesson 23 The Internet-Good or Bad？课件

1、Unit 4 The Inter Connects UsLesson 23 The Inter Good or Bad?学习目标Make the Ss can master the new words and phrases.Ask some Ss to talk about the Inter of advantages and disadvantages.Ask the Ss to use the Inter in right ways,dont let it take up all of your time.思 考新课导入思 考 Now more and more people use

2、the Inter . What do you think of it? Do you like it?新课讲解THINK ABOUT ITWhy are some parents worried about their kids using the Inter ?Does the Inter make life simpler？How? The Internet has changed the world. People are able to connect and share information in seconds. However，the Internet has advanta

3、ges and disadvantages. Where do you want to go？With the Inter ，you could meet this student . She lives in Africa . 新课讲解 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 frien

4、d lives far away, the Inter makes it easy to stay in touch. But every coin has two sides. Some of the disadvantages can be e real problems if we dont take care . Spending too much time online is harmful to peoples health . It may even cause them to be less social with family and friends . Aside from

5、 that，some people attack the web or use the Inter to steal others personal information，even banking information . 新课讲解 The Inter can be a useful tool，but dont let it take up all of your time . Use the Inter properly and carefully and it can make your life more colourful . How far do you want to go？T

6、he Inter can even take you to the South Pole！新课讲解Language point 1However, the Inter has advantages and disadvantages.advantage /dvntd/ 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

7、们应该利用每一次机会。新课讲解Language point 2It 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？新课讲解Language point 3Spending too much time online is harmful to peoples health.be harmful to 对有害e.g. Watching TV too

8、 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”。新课讲解Language point 4The Inter can be a useful tool, but dont 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。新课讲解1Read the les

9、son and fill in the table . Good things about the Inter Bad things about the Inter 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 peoples

10、 health. It may even cause people to be less social with family and friends. Some people attack the web or use the Inter to steal others personal information, even banking information.Lets Do It!新课讲解2 Listen to the dialogue and tick the correct answers. 1What are Li Ming and Wang Mei talking about?

11、Their school project . Their homework . 2Why does Wang Mei think the Inter is good? She can chat with her friends easily . She can watch TV programs . 3Li Ming thinks they should use the Inter _ carefully and freely properly and carefully新课讲解3 The following are the things you can do on the Inter . T

12、ick the ones that you think are OK for junior high students and give your reasons . Email with friends and family. Chat online with friends. Download documents from strangers. Write blogs. Email with strangers. Open attachments from strangers. Send，receive or post photos with friends. Play online ga

13、mes for a whole day. Download programs. Stay online after 10:00 p.m.当堂小练一、词语运用1Being tall gives him an _(优势)over the other basketball players.2This book is written in _(简明的)English.3He paid me in_(硬币)4The _(起因)of the fire is a cigarette end.5We have _(更少的)trouble now than before.advantagesimplecoins

14、causeless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.Atake up Bput upCopen up Dmake upA2. There will be _ cars in the city because people will prefer the subway. AfewerBlessCmoreA当堂小练3. All things have advantages and disadvantages.Sure. _AEast or west, home is the bestBThe early bird catches the wormCMany hands make light workDEvery coin has two sidesD4. Finish your homework first, and then youll _ watch TV for an hour. Acan Bbe able toCable to DcouldB课堂小结重点单词：cause, less，advantage，simple，coin，bank