课件21张PPT。 The Internet Connects UsUnit 4The Internet—Good or Bad?Lesson 23 _______ the development of the Internet, smartphones are widely _____(use) among people. Some use smartphones _______(chat) online. Some are interested in ________ (play) games online. Others are used to ______(send) e-mails. We used to_______(write)letters _________(用手). Now it is ________(方便)_________________(与朋友保持联系) friends than before. _________(总之)，smartphones make our life more colourful. But more and more phubbers can be seen here and there. Many people spend too much time ______(play) with the phones in their s_______ time. They have become silent(沉默的) because they are not glad to have a face-to-face conversation with others ______(不再). It influences(影响) their r______ with their friends and family members.As students,we should learn to use smartphones _______(proper). With usedto chatplayingto sendwriteby handmore convenientto stay in touch withSimply advIn a wordplayingpareanymoreelationshipproperlyadvantage 优势，有利因素
disadvantage 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）n 较少量，较小部分
aside adv 除…之外，在旁边
attack v 袭击，损害
Web n 网络
Steal v（stole，stolen）
banking n 银行业
Properly adv 正确地
Simply adv[C ]My bicycle was________ .
A thief stole a purse______ an old man.[C ]n 原因because 因为反 moreSide 边，侧nwww=world wide web[C ]stolenfrombank 银行，岸Proper adjEveryone coin has two sides.事物具有两面性。The Internet has advantages and disadvantages.Simpler/simplestCause v 造成，引起
He is always causing trouble for others.
The information technology causes us much convenience.
His carelessness caused him to fail the exam.
The bad news caused him to be sad.Cause sb to do导致某人做某事；使某人做某事 n 原因；动机The cause of his failure is his carelessness. Every year driving after drinking wine ________
a lot of traffic accidents . (内江)
A．happens B．provides C．causesCCause sb to sth/cause sth for sb给某人带来某物lessLess 是little的比较级，修饰不可数名词。
I received less money than others did.
The film was less funny than the bookLess than 少于，不到We got there in less than four hours.--Bob is a smart boss!(衡阳中考)
--Yes, so he is. He knows how to cut the cost of the project. And he always does the work with _____ money and ______people.
A less, less B fewer; less C less; fewerCTHINK ABOUT IT
?Why ① are some parents worried about their kids using the Internet?
?Does the Internet make life simpler？How?
The Internet has changed the world. People② are able to connect and share information ③in seconds. However，④the Internet has advantages and disadvantages. Where do you want to go？With the Internet，you could meet this student . She lives in Africa . Lesson 23 The Internet-Good or badbe worried about担心be able to do能够做某事在很短的时间内Second 片刻；秒；第二互联网有利有弊。Paragraph 1—概括互联网的重要性。引出话题be able to & can
He will be able to sing in English in a few minutes.
She can sing the song in English.+do+do1.Believe in yourself and you will _____pass the exam.
A can be able to B be able to
C can D are able toB2.A big fire broke out last night. _______, all the people ______ escape from it.
A Lucky; can B Luckily ;could
C Lucky; be able to D Luckily ;were able to D3.We are unable to sell the house.
4.A robot has the ability to do some simple housework.adj 不能的n 能力Some of the advantages are truly wonderful .⑤ In many ways it makes life easier and simpler . It helps us ⑥get things done more quickly . It opens up the world to us . And ⑦if a friend lives ⑧far away, the Internet makes it easy to stay in touch . 在很多方面它使生活更容易更简单。get sth done 使某事被做If引导的条件状语从句far away遥远It作形式宾语get sth done 相当于have sth done ，get在此是使役动词。宾语和宾补之间构成被动关系。
I got my homework______ (finish).
I want to get my hair_______(cut)finishedcut(与某人)保持联系Keep in touch (with) But⑨ every coin has two sides. Some of the disadvantages
can become real problems if we don’t ⑩ take care . Spending too much time online ⑾ is harmful to people’s health . It may even ⑿ cause them to be less social with family and friends，
⒀ Aside from that，some people attack the web or use the Internet to ⒁steal others’ personal information，even banking information . 事物具有两面性对….有害be bad for / do harm toCause sb sth/ cause sth for sb给某人带来某物
Cause sb to do 导致某人做某事，使某人做某事除此之外窃取别人的个人信息Paragraph 2,3介绍因特网的优点和缺点当心，小心，追加性排他性besides+except★★★★★1 ________?English,?I?also?learn?French?and?Japanese.
2 Everyone?is?here?________?Tom.
3.All?the?other?five?representatives?arrived?late?_______?me.?
4 .I?seldom?go?by?bus?_______?when?it?is?rainy.?
5 Your?competition?is?wonderful?_________?some?spelling?mistakes._____Besides
_____except___exceptexceptexcept for先整体后局部 The Internet can be a useful tool，but don’t let it
⒂ take up all of your time . ⒃Use 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占据（时间/空间） ②开始从事南极Read the lesson and fill in the table . Let's Do It !Good things about the Internet Bad things about the InternetIt 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 !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√√√Li Ming: Our school project is “The Internet — good or
bad?” What do you think, Wang Mei?
Wang Mei: I think it’s good because I can chat with my
friends easily. I can share information and even
use it to learn English. What about you?
Li Ming: I don’t think it’s good for our health if we spend
too much time online. Some students like to play
games and don’t study hard. We should use the
Internet 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 . Let's Do It !□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.√√√√take upBDBCC当堂巩固SpendinglessadvantagesproperlystolencausedCAFBD
