《Unit-4-Cyberspace-Lesson-2》课件-北师大版必修2.ppt

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1、Unit 4 CyberspaceWorld Wide WebWhat does www.stand for?In what way can the Internet be helpful for your study and life?Do you know anything about the history of the Internet?ARPANET was started by the US Dept.of Defense for research.It is theoriginal basis for what now forms theInternet.It was opene

2、d to non-militaryusers later in the 1970s.The packet switching of the ARPANET was based on designs by Lawrence Roberts(1937-),of the Lincoln Laboratory.The ARPANET was the predecessor to the modern Internet.The first international Connections toARPANET are established.The TCP/IP Protocol established

3、,andthe“Internet”is formed as a connectedset of networks using TCP/IP.DNS(Domain Name Server)introducedto the Internet,with then consisted ofabout 1,000 hosts.Web traffic over theInternet increased by 300,000%.The Internet.Communication after a nuclear war.1.Whats the listening text about?2.What wor

4、ried the Pentagon in the 1960s?3.When did people start calling the network the Internet?4.When did the Internet really begin to grow fast?In the mid-1990s.In the 1980s.Manchester University,Britain,Internet,military,America,Pentagon,communications,nuclear war,linking,network,share ideas,entertainmen

5、t Fill in the blanks with the words you hear.In _,the Pentagon _ communications after a nuclear war.And in 1969 they thought of _ computers into a network.And then people in universities all over the world began to use the network to _.They use it for work and _.the 1960sworried aboutlinkingshare id

6、easfor fun Discuss with your partner:1.What do you use the Internet for?2.What are the advantages and disadvantages of the Internet?Which“website”on this page can you visit to do these things?(Ex.4)a)find out whats going on in your townb)look for a jobc)find out the latest world newsd)get informatio

7、n for a school history projecte)write to your friends by e-mail f)buy clothes(3)(1)(6)(2)(5)(4)Listen to a telephone conversation between two people in Brighten.Which thing from the Internet page do they decide to do?Go to the cinema on Friday evening to see Richard Baileys new film,Virtual Planet.L

8、isten to the conversation again.Complete the Function File with words and phrases from the list.Answers:1.9732732.This is3.please4.hang on5.are you up to6.Sorry?7.Why dont we8.Do you fancy 9.Would you like10.I cant 11.Id love to12.Id better13.Lets 14.See you Underline the stressed words.1.Hello,Mrs.

9、Turner.This is Mandy.2.What are you up to this weekend?3.Oh good.Why dont we go on Saturday morning?4.Well,I cant mm Ive got a music lesson on Saturday morning.5.Do you fancy doing something on Friday night?6.Well,Id better go now.7.Lets meet at 6:30,outside the cinema._ _vMake notes about what youd

10、 like to do at the weekend.vWork in pairs with your partner phoning each other.Making suggestions,accepting or rejecting the suggestions and finally agreeing what to do and making arrangements.SpeakingExampleA:Hello,988167.B:Hi,this is Tom.A:Hi,Tom.B:What are you up to this weekend,John?A:Me,nothing

11、.Im not doing anything this weekend.Why?B:Lets do something.Ive printed out the Internet page.A:Whats on?B:Just hang on a second B:On Friday night theres a disco A:Sorry?B:Theres a disco on Friday night.A:Great,Id love to.Lets meet at 9:00 outside my house.B:Right,see you then.A:See you.1.hang on 别挂

12、断;别挂断;坚持下去;系于坚持下去;系于 Hang on!Ill be back.Hang on at your present job until you can get another.It all hangs on whether he is willing to help us.hang up 挂断电话挂断电话hang around/about闲荡闲荡,徘徊徘徊,逗留逗留 hang over 笼罩笼罩,威胁威胁,搁置待解决搁置待解决 I asked Xiao Zhou to get in touch with them.How can I get in touch with you?I

13、m trying to get in touch with my brother.keep in touch(with)和和取得联系取得联系 lose touch(with)和和失去联系失去联系Go and see what these naughty boys are up to.I havent seen much of you lately.What have you been up to?Whether we will go to the park is up to your brother.This hotel can accommodate up to 500 guests.3.b

14、e up to 做;从事于;由某人决定;多做;从事于;由某人决定;多达达He rejected their offer of a job.He asked her to go to the movies three times,and each time she rejected him.The child was rejected by his parents.I was sorry to hear that she was rejected by all universities.The press rejects the articles which have been publishe

15、d.4.reject v.拒绝;不接受;拒收拒绝;不接受;拒收,不录用;不录用;表示表示(因质量差因质量差)不出售不出售/出版出版reject n.不合格者;废品不合格者;废品Rejects from the English exams cant graduate from our school.Please put the rejects into the box in the corner.refuse 是普通用语,指是普通用语,指“坚决、果断或坦坚决、果断或坦率地拒绝率地拒绝”;可接动词不定式可接动词不定式,表示拒绝做,表示拒绝做某事,也可接名词,表示不接受。某事,也可接名词,表示不接受

16、。reject 语气比语气比 refuse 强,表示断然拒绝。强,表示断然拒绝。如果不同意一种意见或信仰,要用如果不同意一种意见或信仰,要用 reject。主语可以是人或物,后接名词,主语可以是人或物,后接名词,不能接动词不能接动词不定式不定式。decline指较正式地、有礼貌地谢绝指较正式地、有礼貌地谢绝。reject,refuse和和decline 的区别的区别5.suggestion和和advice的区别的区别 suggestion表示表示“意见,建议,提议意见,建议,提议”,特,特指为了改进或解决某一问题而提出建议,办指为了改进或解决某一问题而提出建议,办法等,但不一定正确,仅供参考。

17、语气比法等,但不一定正确,仅供参考。语气比advice客气、委婉。多用作可数名词,常和客气、委婉。多用作可数名词,常和介词介词about,as to,at,on,by,with等搭配。等搭配。This trip was made at his teachers suggestion.I wonder if I can get some advice from you.The boy took my advice as to what he should do.advice是普通用词,侧重依据个人经验、是普通用词,侧重依据个人经验、学识和正确判断而提出的忠言。是不可数学识和正确判断而提出的忠言。

18、是不可数名词,常和介词名词,常和介词against,at,by,for,of,on,to,about,with等搭配。等搭配。1.p_ 2.f_ 3.f_ 4.s_ 5.a_a piece of work that is planneda popular style in clothes or hair at a certain time or in a certain place to want something or want to do something an idea that is advised a plan that you make so that something ca

19、n happenproject fashion fancy suggestion arrangement Write the words according to the meanings.1.Doing _(科学的科学的)research requires not only money,but also time and energy.2.So what are your _(建议建议)about improving the quality of the product?3.The style of the clothes that the woman is wearing is out of _(时尚时尚).4.To keep herself in shape,she r_ sweets.5.The local government plans to spend two years building the citys television n_.6.If I give you two more days,can you finish the p_ on time?Complete the sentences.scientificsuggestionsfashionrejectsnetworkproject

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