Unit6 The Internet and Telecommunications 外研版高中英语必修一.pptx

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1、Module 6 Internet and Telecommunication试讲者：熊丽娟 How much do you know about the Internet?Background knowledgeInternet与WebInternet的全称是Inter Network,译为“因特网”，也称国际互联网，简称互联网。WWW(World Wide Web，也称万维网)是基于Internet/Intranet的、全球连接的、分布的、动态的、多平台的交互式超文本查询系统。互联网、因特网、万维网三者的关系是：互联网包含因特网，因特网包含万维网，凡是能彼此通信的设备组成的网络就叫互联网。

2、组成互联网的计算机网络包括小规模的局域网（LAN）、城市规模的区域网（MAN）以及大规模的广域网（WAN）等等。At monitort screent keyboardt mouset CD-ROMt hard diskB(a)the part of a computer that stores information.(b)the part of the computer that you type on.(c)the part of the computer that looks like a television.(d)something you use to click on thin

3、gs(files,etc.).(e)the part of the monitor that you look at.(f)a separate disk that contains lots of information.At monitort screent keyboardt mouset CD-ROMt hard diskB(a)the part of a computer that stores information.(b)the part of the computer that you type on.(c)the part of the computer that looks

4、 like a television.(d)something you use to click on things(files,etc.).(e)the part of the monitor that you look at.(f)a separate disk that contains lots of information.Check the answersWhat do you use the Internet for in your daily life?For LearningTake online coursesDownload documents and filesSear

5、ch for updated informationRead E-books.For EntertainmentWatch moviesGo shoppingPlay games.Q:How many parts can this passage be divided into?How to divide?A:The passage is divided into _parts.Part 1 is from paragraph.to paragraph.,the main idea of this part is.Reading(3min)Structure Part(p1-2):Introd

6、uce the Internet and its beginningPartll(p3-6):Introduce the World Wide Web and its invention.Reading(3min)Read the text P52 and answer the questions.1.What is the Internet?2.What is the World Wide Web?4.Who invented it?Check the ans wers1.What is the Internet?Paragraph 1It is the biggest source of

7、information in the world,and its accessible through a computer.It consists of millions of pages of data.2.What is the World Wide Web?Paragraph 3It is a computer network that allows computer users to access information from millions of websites via the Internet.3.Who invented it?Paragraph 4An English

8、 scientist,Tim Berners-Lee.Reading again(5min)Complete task 3 and task 4(P53)TextParagraph 1The Internet is the biggest source of information in the world,and its accessible through a computer.It consists of millions of pages of data.Language points:The Internet is the biggest source of information

9、in the world.source:n.a place,person,or thing that you get sth.fromeg.The survey revealed a large number of sources of noise that we really dislike.Whatever the source of noise,one thing is certain:silence,it seems,has become a golden memory.Its accessible through a computer.accessible:a.way of ente

10、ring,reaching,using,seen,etc.access:n./v.inaccessible a.have access to.eg.In this much-travelled world,there arre still thousands of places which are inaccessible to tourists.Language points:It consists of millions of pages of data.consist of:to be formed from the things or people mentionedeg.Though

11、 the costume consisted only of a sheet,it was very effective.be made up ofbe composed ofconstituteParagraph 2In 1969,DARPA,a US defence organisation,developed a way for all their computers to“talk”to each other through the telephone.They created a network of computers called DARPANET.For fifteen yea

12、rs,only the US army could use this system of communication.Then in 1984,the US National Science Foundation(NSF)started the NSFNET network.It then became possible for universities to use the system as well.NSFNET became known as the Inter-Network,or“Internet”.TextDARPA(美国国防高级研究计划局)NSF(National Scienc

13、e Foundation）(美国国家科学基金会)They created a network of computers called DARPANET.create:v.to make sth or existeg.Men are created equal.inventIt then became possible for universities to use the system as well.“It”is used as formal subject.Stuctrure:It+linking verb+adj./n.(for/of sb.)to do sth.Linking verb

14、s:become,turn,grow,sound,look,feel,get,smell,be.Adjectives:important,popular,neccessary,unusual,possible,easy,hard.eg.It is very kind of you to help me so much.“It”is used as formal object.Language points:Paragraph 3The World Wide Web(the web)is a computer network that allows computer users to acces

15、s information from millions of websites via the Internet.At the moment,about 80 percent of web trafficis in English,but this percentage is going down.By 2020,much web traffic could be in Chinese.TextParagraph 4The World Wide Web was invented in1991 by an English scientist,Tim Berners-Lee.Berners-Lee

16、 built his first computer while he was at university using an old television!He came up with the idea of the World Wide Web in 1989 while he was working in Switzerland.TextHe came up with the idea of the World Wide Web in 1989 while he was working in Se up with:to find or produce(an answer,a solutio

17、n.)put forward bring upLanguage points:Paragraph 5Bermers-Lee made it possible for everyone to use the Internet,not just universities and the army.He designed the first“web browser”,which allowed computer users to access documents from other computers.From that moment on,the web and the Internet gre

18、w.Within five years,the number of Internet users rose from 600,000 to 40 million.TextParagraph 6The Internet has created thousands of millionaires,but Berners-Lee is not one of them.Everyone in the world can access the Internet using his World Wide Web system.He now works as a lecturer at Massachuse

19、tts Institute of Technology in Boston.TextMassachusetts Institute of Technology(MIT)麻省理工学院Language points:Berners-Lee built his first computer while he was at university using an old television!(p4)Everyone in the world can access the Internet using his World Wide Web system.(p6)Here the Present Par

20、ticiple is used as Manner Adverbial.It also can be used as reason,condition,result.eg.Weather permitting,we will go out tomorrow.(condition)Being sick,I stayed at home.(reason)Language points:Nummbersmillions of 1969 fifteen 1984 80 percent 2020 19911989 five 600,000 40 million thousands of 1969 202

21、0 1991 1989 fifteen five 600,000 40 millionmillions of thousands of 80 percent The development of the InternetPair workTime OrderThe development of the InternetCheck the answerTask3 1.There are millions of pages of information on the Internet.T2.The US army were the first people who used an Internet

22、 system.F3.Universities started using the Internet at the same time as the army.F4.The percentage of websites in English is getting smaller.T5.Tim Berners-Lee made it possible for scientists to use the Internet.T6.He has made a lot of money from his invention.FCheck the answerTask 41 For fifteen yea

23、rs,only the US army could use this system of communication.(a)The US army only used this system for 15 years.(b)After 15 years,other people were able to use it as well.2 The World Wide Web.allows computer users to access information.(a)Computer users can access information because of the World Wide

24、Web.(b)You need permission from the World Wide Web before you can access information.3 About 80 percent of web traffic is in English,but this percentage is now going down.(a)Web traffic in English is becoming less interesting.(b)The percentage of English websites is getting smaller.4 He came up with

25、 the idea of the World Wide Web.(a)It was his idea.(b)He found the idea in a book.Group workThe advantages and disadvantages by using the InternetThe advantages and disadvantages by using the InternetAdvantages1.Search for learning materials2.Broaden ones knowledge(make sb.know the latest news)3.Cha

26、tting online4.Relax one by listening to music or seeing moviesDisadvantages1.Affect ones study(spend too much time playing computer games and chatting.)2.Be harmful to ones eyes3.Waste timeSummar yLaguage points：Grammmar points：Other：Summar yLaguage points：source，accessible，consist of，create，come up withGrammmar points：“It”used as formal subject，Present Participle used as Manner AdverbialOther：numbersHomework1.Read the text fluently.(Review important knowledge points.)2.Write an essay entitled how do students use the Internet properly?(Write down and share next class.)Thank you