Unit 4 The Internet Connects Us Lesson 23 The Internet--Good or Bad? 教学课件

课件28张PPT。Ⅰ.Lead in He is chatting on the Internet.2018-10-4He is playing games
on the Internet. Unit 4 The Internet Connects Us
Lesson23:
The Internet—Good or Bad?
GoodBadorThe Internet Ⅱ.Learning AimsEmotion: Use the Internet properly and carefully.
Ability: Describe good things or bad things about the Internet.
Knowledge :
1.Read and use the words and phrases .
2. Use “be able to”，“get sth. done”. advantage n. 优势;有利条件 disadvantage n. 缺点;不利因素simple adj.简单的coin n. 硬币cause v. 造成；引起less adj. & adv. 更少的(地)；aside adv. 除……之外 构词法：前缀dis +advantage

Every coin has two sides. be less social with aside from=besides Ⅲ .Words and phrasesattack v. 袭击；损害web n. 网；网络 steal(stolestolen) v. 偷盗；窃取banking n. 银行业properly adv. 正确地 2018-10-4steal banking information
窃取银行信息 attack the web 损害网络use the Internet properly 正确地运用因特网Read the words and make up phrases.Match the phrases



Every coin has two sides. steal banking informationbe less social with attack the web aside from=besides正确地运用网络窃取银行信息除此之外，尚有…每个硬币都有两面损害攻击网络use the Internet properly 与…有更少的交际2018-10-4in secondsfar awaytake upsth. makes you spend some time on itin a very short timenot neartake 短语总结:
take away
take down
take off脱掉；起飞拿走；拿开放下；取下1. Every coin has two sides. so does the Internet. The Internet has advantages and disadvantages .Advantages: 2. In many ways the Internet makes our life easier and simpler .Disadvantages:3.It may cause people be less social with family and friends.Disadvantages:4. Aside from(除此以外) that, Some people attack the web or steal others’ personal information, even banking information.
Read Paragraph 1 and 2,write true (T) or false (F).（读第1、2段）
1.People are able to connect and share information in minutes.( )
2.The Internet can make our life easier and simpler in many ways .( )FT Ⅳ.TextRead Paragraph 3 and find out the bad things about the Internet.
1.Spending too much time online is ________ to people’s .
2.It may even _______ them to be less social with family and friends.
3.Some people _______ the web or
use it to ______ other’s personal information, eve banking
information. attack health harmfulstealcauseRead Paragraph 4 and give some advice for junior high students(给初中生一些建议）.
*1.Don’t let the Internet ______ _____ all of your time.
*2.Use the Internet _________ and __________.take upproperlycarefully 1.People are able to connect and share information in seconds.人们可以很快联网实现信息共享。2018-10-42.Tony is able to understand the computer program in seconds.
托尼在很短的时间里就能了解这个
电脑程序。 Ⅴ. Language pointsLanguage point 1.2018-10-4be able to 表示“能、会”，相当于情态动词can, 但be able to 有人称和时态的变化，可用于各种时态。
例如： He will be able to sing this song in English
他将用英语唱这首歌。 2018-10-41.Luckily, he was able to run from the big fire in the end yesterday.
2.He is so clever that he is able to work out the math problem quickly.
3. I will be able to sing this song in English tomorrow.It helps us get things done more quickly.它能让我们把事情做得更快.2018-10-4Language point 2.get sth. done(过去分词） 意为“完成某事”2018-10-41.I got my homework _____ .
finish B. finishing
C. finished D. finishes
2.She is going to get her hair_____.
A. cut B.cutting C.cuts
Let’s try! *Topic:The Internet—Good or Bad?2018-10-4 Group Work: a simple debate(简易辩论赛）*Topic:The Internet—Good or Bad?2018-10-4 Ⅵ . Debate
I think the Internet is good for us.It has some advantages.
1.make…easier and simpler
2.open up the world
3.stay in touch withI think the Internet is bad for us.It has some disadvantages.1.cause us to be less social with … 2.attack the web3.steal…2018-10-4
1. 我想过一种简单的生活。
I want to have a _______ life.
2. 不要让电脑游戏占据了你的生活。
Don’t let computer games ________ ________ your life.simpletakeup Ⅶ. Quize

完成句子 2018-10-43.如果你能正确而小心地使用电脑，它会工作很长时间。
It will work for a long time, if you use the computer ___________ and
_______ .
4. 除此之外，我们还可以用电脑写作、画画等。
______ __________ that, we can do some writing and drawing and so on.properlycarefullyAside from What have you got?2018-10-4 Ⅷ.Summary1.People are able to…
2.It helps us get things done …1.spending … is harmful to…
2.It may cause… be less social… 3.Some people attack …
4.steal other’s personal banking ...
1.Every coin has two sides.
2. … has advantagesdisadvantages.
So we …properly and carefully.Write a passage for junior high students. Topic:Advantages and Disadvantages of the Internet.Ⅸ.Homework