Unit 4 Lesson 3（ppt课件）-2023新北师大版（2019）《高中英语》必修第二册.pptx

1、Unit 4 Information TechnologyLesson 3Warm upWhat do you want to say about the two pictures?The Internet brings people that are far away closer together,and makes communication much easier.On the Internet,a person in the United States can talk to someone in Australia and Puerto Rico at the exact same

2、 time.People can become familiar with people from other cultures.Warm upThe two quotes are said by some netizens(Internet users).Do you agree/disagree with the quotes?Talk with your partner and give your reasons.ExampleI am totally for/against the idea of“Internet friends are the best friends”.The r

3、easons are as follows.To begin with,Whats more,Last but not least Warm upWhat do friends usually do on the Internet?Chat on the cellphone/tablet Text messages Send E-mails Share information or photos in Circle of Friends Give a compliment in WeChat Interact with you via comments and“likes”Share his

4、screen name and password with a buddy Warm upDoes the Internet help or harm friendships?Answer the question and write down your reasons in the table below.Pre-readingIdentifying Topic Sentences and Supporting detailsA topic sentence states _ of a text or paragraph.Supporting details give more _.1)Re

5、ad the text _.2)_ that states this general idea.This is the topic sentence.3)Read the text again._ that supports the topic sentence,e.g.examples,reasons.These are _.the general idea or the main point information about that topicto get the general ideaIdentify one sentence for each argument Look for

6、extra information the supporting detailsRead the first blog post“The Internet Harms Friendship”.Complete the information on the diagram.While-readingArguments Supporting detailsMethods to support argumentsIntroduction(Para.1)While the Internet can bring people together,it can also harm friendship.Ta

7、lking online is no replacement for face-to-face contact.(Para.2)1 Images cannot replace a real-life 2 Communicating through a screen makes it more difficult to concentrate or show kindness Citing ideas from experts or authorities;Referring to common knowledgeAccording to a parenting expert As we kno

8、w,important social skillsThe Internet makes people self-centered.(Para.3)1 Some people are only concerned with their online popularity.2 A lot of the content posted on social media is shallow or trivial.Online relationships may not be what they appear to be.(Para.4)Online friendship is not built on

9、the basis of trust,so going online can be dangerous for some people.Giving examplesFor example,instead of having proper conversations with their friends Conclusion(Para.5)Friends should focus more on face-to-face communication to maintain healthy friendships./Read the second blog post“The Internet H

10、elps Friendship”.Complete the information on the right side of the diagram.While-readingThe Internet Helps FriendshipsArgument 1(Para.2)Topic sentence:Supporting details:Introduction(Para.1)Argument 2(Para.3)Topic sentence:Supporting details:Argument 3(Para.4)Topic sentence:Supporting details:The In

11、ternet makesmore convenient.stay in touch with;no matter where or what;We can stay in touch without the limits of time and place.has also made communication more fun.Online communication can actually bring people We can enjoy more creative and fast means of communication;You can share photos,videos,

12、news stories and websites online.We can offer help immediately;Whenever,friend from immediately provide;This makes feel loved and cared for.Conclusion(Para.5)I believe the Internet brings people closer together and makes communication with friends more convenient and interesting.While-readingWhat is

13、 the writing style of Cathys blog post?An argumentative Essay Conclusion(Para 5.)(concluding para.)BodyIntroduction(Para 1.)(opening para.)the arguments(Para 2-4.One argument one para.)the supporting detailsWhile-reading1 In the first blog post,the underlined expression in the sentence“It is these s

14、kills that enable us to develop lifelong friendships”(Para.2)refers to _.Fill in the blanks.social skills,like concentrating or showing kindness to othersPost-reading2 In the second blog post,the expression“fill holes real-life friends cant”(Para.4)means _ _ _ _ _ “online communication is a solution

15、 when there are difficulties with face-to-face communication.”For example,people live far apart(and are friends or have common interests),a person suffers from social anxiety and may find it easier to talk to people online,etc.Post-readingPost-readingWhat methods does the author use in her blog post

16、 to support her arguments?/How does Cathy support her arguments?Here are five methods writers often use to support their arguments.a citing ideas from experts or authoritiesb giving examplesc using datad referring to common knowledgee using comparison and contrastTypical language used of five method

17、s:Citing ideas from experts or authoritiesAccording to;What I found interesting is that the book included a quotation from Robert Kennedy,words he said about 50 years ago.Giving examplesFor example,for instanceUsing dataReferring to common knowledgeUsing comparison and contrast According to a survey

18、,82%of those who work more than 15 hours a day say they do so for“bonuses.”As we know,it is well known that,nowadays However,but,unlike,on the contrary,quite the opposite Post-readingHow does Cathy support her arguments?Traditional ways of communicating can be limiting and take time.However,you can

19、share photos,videos,news stories and websites with your friends online.Nowadays,your friends are just a click away.Whenever someone needs help,friends from all the world can immediately provide useful suggestions or information.As Eileen Kennedy-Moore,an authority on the subject,points out,online fr

20、iends“fill holes real-life friends cant”.Cite ideas from experts or authoritiesRefer to common knowledgeMake comparison and contrastPost-readingDebateDoes the Internet help or harm friendships?Draw lots to decide your position(Positive or Negative).1 Introduction(Student A);2 Argument 1(Student B);3

21、 Argument 2(Student C);4 Argument 3(Student D);5 Conclusion(Student E)Attention:Cathys side Refute(反驳反驳)Cathys argumentRoberts side Refute Roberts argumentThe Internet Harms Friendships The Internet Helps FriendshipsAssignmentThe class is divided into four groups.Two groups,who participated in the debate,organize your debate into a short passage according to your group topic respectively.The other two judge groups write your comments on the performance of the two groups and vote the winner group.You may also select the best debater(s)from the two groups.