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1、网络与通信REVISIONSome words about computerHard diskmonitormousescreenCD-ROMkeyboardLead-inDo you like surfing the Internet(网上冲浪)?What can we do on the Internet?do online shopping网上在线购物网上在线购物 chat on the Internet网上聊天网上聊天send an e-mail to your friends www. What does www stand for（代表）（代表）?It stands for Wor
2、ld Wide Web（环球网、万维网）（环球网、万维网）.Some websites I often visit:internetFast Reading 4minutesAfter reading, answer the following questions? 1. What is the internet? 2.How did it start? 3. What is the World Wide Web? 4. Who invented it ? 1.What is the internet? The internet is the biggest source of informa
3、tion （最大（最大的信息来源）的信息来源）in the world, and it is accessible （获得）（获得） through a computer.2.How did it start?(the birth of internet)In 1969, DARPA, created_DARPANETIn 1984,NSF, started_.NSFNETThen NSFNET became _.Inter-Network (Internet) 3. What is the World Wide Web? It is a computer network （计算机网络）tha
4、t allows computers to （允许、做）access（获得） information from millions of websites via the Internet.The World Wide Web was invented in1991 by an English scientist-Tim Berners-Lee.4. Who invented it ?ParagraphMain ideaParagraph 1 Paragraph 2Paragraph 3Paragraph 4Paragraph 5Paragraph 6a. The present situati
5、on（目前状况（目前状况) of Berners-Lee b. Berners-Lee invented the World Wide Webc. The definition （定义）（定义） of the World Wide Webd. Everyone can use the Internet e. How the Internet started f. The definition of the Internet Match each paragraph with the main idea A.Introduce the inventor of World Wide Web.B.
6、Tell us something about the Internet and World Wide Web.C. The Internet is widely used all over the world.What is the passage about?The passage is aboutBRead the text again and do true-false exercises:Read the text again and do true-false exercises:1.There are millions of pages of information on the
7、 internet.2. The US army were the first people who used an Internet system.3. Universities started using the Internet at the same time as the army. 4. The percentage of websites in English is getting smaller.5. Tim Berners-Lee made it possible for scientists to use the Internet.6. He has made a lot
8、of money from his invention. Careful ReadingPara 1. The definition (定义）定义）of the Internet .Para 2. _of the Internet.Para 3. _ of the World Wide Web.Para 4. _of the World Wide Web.Para 5. _of World Wide Web. Para 6. About Berners-Lee _Text structureThe passage is divided into parts. twoPart 1(1-2): T
9、he definition & development of the Internet .Part 2(3-6): The World Wide Web & its inventor Berners-Lee.The birth （出生，起源）（出生，起源）The definitionThe invention（发明）（发明）The development （发展）（发展）the inventor of WWWDecide which sentence means the same as the extracts from the reading passage:1.For fifteen ye
10、ars, only the US army could use this system of communication.(a)The US army only used this system for 15years.(b)After 15 years, other people were able to use it as well.2.About 80 percent of web traffic is in English, but this percentage is now going down.(a) Web traffic in English is becoming less
11、 interesting(b) The percentage of English websites is getting smaller. 3. The World Wide Web.allows computer users to access information.(a) Computer users can access information because of the World Wide Web.(b) You need permission from the World Wide Web before you can access information.4. He cam
12、e up with the idea of the World Wide Web.(a) It was his idea(b) He found the idea in a book.rCheck: Task OneWhich sentences in the passage have the same meaning with the following ones?1) The Internet is made up of millions of pages of data.2) After 15 years, not only US army but also other people w
13、ere able to use this network of computer. It consists of millions of pages of data.For fifteen years, only the US army could use this system of communication.Boys: think of the advantages of the Internet. Gils: think of the disadvantages of the Internet. Every coin has two sides. The Internet also h
14、as its advantages （优点）（优点）and disadvantages（缺点）（缺点）. Advantages Disadvantages easy to contact search information shopping online study online watch live matches and other programs see the doctor bad for eyeslazier and fatter less chance to get along with othersspend too much time playing computer ga
15、mes and chattingfail in the examSuggestiongo on line properly have a time limitchoose things which are valuable to our study and lifeplace study, health and safety before other thingsHomework:JWhat do you want to say to your friends who are addicted to (对对上瘾上瘾) Cyber bars（网（网吧吧)?JWrite a short passa
16、ge about this topic “Keep away from Cyber Bars”(in about 100 words) The Internet is _ through a computer, and it _ _ millions of pages of data. They created a network of computers _ DARPANET. _ then became possible for universities to use the system _ _. NSFNET _ _ _ the Inter-Network, or “Internet”
17、. Tim Berners-Lee made it _ for everyone to use the Internet, _ _ universities and the army. He_ the first “web browser”, _ allowed computer users to _ documents from other computers. _, the web and the Internet grew. Everyone in the world can access the Internet _ his World Wide Web system. Now Ber
18、ners-Lee works _ a lecturer in a famous university. accessibleconsists ofcalledItas wellbecame known aspossiblenot justdesignedwhich_accessFrom that moment onusingasListen to the passage and fill in the blanksListen to the passage and fill in the blanksaccessible adj. 易接近的、可以使用的 can be reached/usedI
19、nternet is accessible to all the computer users. be accessible to sth access n. means of entering; entrance. 接近；通路；接近或进入的权利Access to the resort (度假胜地) is quite easy.这个度假胜地很容易到达。Students must have access to a good library.v. 访问,存取(信息,数据);接近,使用It is easy to access information from this website.归纳拓展归纳拓
20、展accessaccess后面常用介词后面常用介词to,to,前面用介词前面用介词ofofaccessible accessible adjadj. .可到达的；可进入的可到达的；可进入的be easy/hard of accessbe easy/hard of access容易容易/ /难接近难接近have/gain/get/obtain access tohave/gain/get/obtain access to得以接近得以接近; ;得以得以会见会见; ;得以进入得以进入; ;得以使用得以使用give access togive access to接见接见; ;准许出入准许出入be ac
21、cessible to sth.be accessible to sth.已接近已接近; ;可进入可进入 观察思考观察思考 He He gained access to gained access to the building through the building through the window. the window. 他通过窗户进入大楼。他通过窗户进入大楼。 I I had no access to had no access to education when I was education when I was young. young. 我小时候没有受教育的机会。我小时候
22、没有受教育的机会。活学活用活学活用She was chosen to be the first secretary of She was chosen to be the first secretary of the state government and now has regular the state government and now has regular and immediate and immediate to the president. to the president.A.controlA.controlB.opportunityB.opportunityC.acce
23、ssC.accessD.effectD.effect解析解析 access to the presidentaccess to the president接近接近/ /靠近总统。靠近总统。C重点短语与句型重点短语与句型6.consist of6.consist of由由组成（一般不用于被动语组成（一般不用于被动语 态和进行时态中）态和进行时态中） It consists of millions of pages of data.It consists of millions of pages of data. 它是由数百万页的数据组成的。它是由数百万页的数据组成的。( (回归课本回归课本P P
24、5252) ) 观察思考观察思考 The audience of this film about love The audience of this film about love mainly mainly consist of consist of young people.young people. 这部关于爱情的电影观众主要是青年人。这部关于爱情的电影观众主要是青年人。 Theory should Theory should consist with consist with practice.practice. 理论应与实践相一致。理论应与实践相一致。 The beauty of t
25、he plan The beauty of the plan consists in consists in its its simplicity. simplicity. 该计划的妙处在于简洁明了。该计划的妙处在于简洁明了。活学活用活学活用句型转换句型转换The summer camp group consists of 20 boys The summer camp group consists of 20 boys and 10 girls.and 10 girls.The summer camp group The summer camp group 20 20 boys and 10
26、 girls.boys and 10 girls.The summer camp group The summer camp group 20 20 boys and 10 girls.boys and 10 girls.is made up ofis made up ofis composed ofis composed ofconsist of 由由组成，由组成，由构成构成 be made up of,be composed of consist in 存在于存在于;决定于决定于consist with 与与一致、一致、 相符相符consistDARPA:DARPANET: NSF: NS
27、FNET:Defense Advanced Research Projects Agency国防部高级研究计划署国防部高级研究计划署The network of computers created by a US defense organization, DARPA.Its short for (US) National Science foundation.国家科学基金会国家科学基金会A network started by the NSF, known as the Inter-Network, or “Internet”.Vocabulary & Expressiondevelop v
28、t & vi 使发达；发展；使发育 He believes that sports can develop mind and body. develop the habit of doing something 养成作的习惯 develop an interest in something 培养对的兴趣 developed 发达的 developing 发展中的 China is a _ country while America is a _ country.developingdeveloped development n.create create 创造创造创造创造指指“ “有目的地把原
29、材料制成新产品有目的地把原材料制成新产品” ”; ; 也指也指“ “ 创造出创造出原来不存在原来不存在或与众不同的事物或与众不同的事物” ”Many people believe that the universe was Many people believe that the universe was createdcreated by the God.by the God.design design 设计设计设计设计指指“ “制作某物之前深思熟虑地制作某物之前深思熟虑地构思构思” ”It was he that It was he that designeddesigned the ga
30、rden. the garden.invent invent 发明发明发明发明指指“ “通过想象、研究、劳动通过想象、研究、劳动, , 创造出前创造出前所未有的东西所未有的东西” ”, , 尤指尤指“ “科技上的发明创造科技上的发明创造” ”Edison Edison inventedinvented the light bulb. the light bulb.Task TwoIt 作作 . 常用形容词有：常用形容词有：Translate the following sentences into Chinese. 1) It then became possible for universi
31、ties to use the system as well. 2) Berners-Lee made it possible for everyone to use the Internet, not just universities and the army.此后，大学也能够使用这个系统才成为可能。此后，大学也能够使用这个系统才成为可能。It 在句中作在句中作 ;Here it refers to 贝尔纳斯贝尔纳斯李使任何人李使任何人, 而不仅仅是大而不仅仅是大学和军队学和军队, 使用因特网成为了可能使用因特网成为了可能. for everyone to use the Internet
32、. 形式宾语形式宾语形式主语形式主语important, necessary, unusual, popular对我们而言，学好英语很重要对我们而言，学好英语很重要It is very important for us to learn English well.他是一位奇怪的人我们觉得和他他是一位奇怪的人我们觉得和他工作很难工作很难He is a strange man. We find it very difficult to work with him.make/think /find/feel/+ it +adj/n +(for sb make/think /find/feel/+ i
33、t +adj/n +(for sb )to do sth)to do sth或或 make/think /find/feel/+ it +adj/n +(for make/think /find/feel/+ it +adj/n +(for sb )sb ) + + that clausethat clause1.She made it a rule for her child to wash 1.She made it a rule for her child to wash his hands before eating .his hands before eating .She made
34、 it a rule for her child that he She made it a rule for her child that he should wash his hands before eating. should wash his hands before eating. 2.I think it not right to let primary 2.I think it not right to let primary students do too much homework.students do too much homework.as well:主要用于肯定句中
35、,一般放在句末,不与句子其他成分隔开,意为 “也”.He is a worker，and a poet as wellas well as :连接两个并列成分,意为“和,也”,结构:A as well as B. 他能说英语和西班牙语。He can speak Spanish as well as English.她和你都是英语老师。She as well as you is an English teacher谓语动词就远原则。我也去过世博会。I have been to the Expo as well.= I have been to the Expo, too.=I have also
36、 been to the Expo.I have not been to the Expo,either.too: 用于肯定句末或中，常用逗号与句子其他成分隔开。also: 常用于肯定句句中，位于系动词，助动词之后，实义动词之前。either: 用于否定句，一般放在句末。Be known/famous as :作为而出名George 作为著名的歌唱家而出名.George is known as a famous singer.Be known/famous for 因而出名这个地方因为它的水果而出名.The place is known for its fruit.Be known/famou
37、s to 被所熟知It be known/famous to sb +that 从句众所周知,理论来源于实践.It is known to us all that theory comes from practice.Via prep. by way of /by means ofHe sent me a letter via one of my friendsAt the moment 此刻At any moment 在任何时候For the moment 目前，暂时For a moment 片刻，一会儿At the last moment在紧要关头Go down 下降 (太阳，月亮) 落下
38、 The sun is going down. 价格下跌 Price dont seem to be going down. 退烧 Im glad your temperature has gone down。Rise vi. 升起，提高，上涨（不跟宾语）The sun rises in the east. Raise vt. 提高，抬起（必须跟宾语）The student raised his hand to answer the teachers question.3) Berners-Lee built his first computer while he was at univers
39、ity using an old television! 读大学时，贝尔纳斯读大学时，贝尔纳斯李利用一台旧电视机制成了他的第一李利用一台旧电视机制成了他的第一台电脑！台电脑！ 现在分在分词短短语充当方式状充当方式状语，另外，它，另外，它还可表可表示原因、条件、示原因、条件、结果、果、让步、伴随状步、伴随状语，它表示与句子主，它表示与句子主语是是主主动关系。关系。They came in the classroom talkingloudly. He was watching TV ，singing a song。a.b.using是是: :他正在边看电视边唱歌他正在边看电视边唱歌他们大声说着走
40、进了教室他们大声说着走进了教室eg.(1) He usually sits in the chair, reading. （伴随）（伴随） (2)We eat using chopsticks. (方式）方式） (3) Having finished his homework, he went home. （条件）（条件） (4) The secretary worked late into the night, preparing a report . （原因）（原因）(5) Working hard, youll succeed. （条件）（条件） (6) She died, leavin
41、g nothing but debts. （结果）（结果） (7) European football is played in 80 countries, making it the most popular sport in the world.（结果）（结果） (8) Admitting what she said, I still think she hasnt tried her best. （让步）（让步） come up with 赶上；提出，提供 We shall work hard to come up with him. I hope you can come up wit
42、h a better plan than this.catch up with 追上, 赶上keep up with 跟上, 不落后Via prep. by way of /by means ofHe sent me a letter via one of my friends.1. _ by jeep they visited a number of European cities last year.A. Travelled B. TravellingC. To travel D. Having travelled2. Suddenly I noticed a man came _ int
43、o the room.A. running B. to run C. ran D. runExercises3. The group _ the eight richestcountries in the world.A. consist by B. consists ofC. is consisted by D. is consisted of4. Did you remember to give Mary the money you owned her?Yes. I gave it to her _ I saw her.A. while B. the momentC. suddenly D
44、. once5. Since the computer price has _, why not buy one?A. brought down B. put downC. gone down D. taken down6. Does he know how to work out the problem?Yes, he has _ a good idea to solve it.A. caught up with B. kept up withC. come up with D. put up with7. Since the computer price has _, why not bu
45、y one?A. brought down B. put downC. gone down D. taken down8. Does he know how to work out the problem?Yes, he has _ a good idea to solve it.A. caught up with B. kept up withC. come up with D. put up with9. He is known _ everybody in the city _ a reporter.A. to; as B. from; afterC. to; like D. by; f
46、or10. As a result of destroying the forests, a large _ of desert _ covered the land.A. number; has B. quantity; hasC. number; have D. quantity; have活学活用活学活用As the busiest woman in Norton,she madeAs the busiest woman in Norton,she made her duty to look after all the other her duty to look after all t
47、he other peoplepeoples affairs in that town.s affairs in that town.A.thisA.thisB.thatB.thatC.oneC.oneD.itD.it解析解析 itit为形式宾语，真正宾语为动词不定式为形式宾语，真正宾语为动词不定式to look after.to look after.。D导练互动导练互动重点单词重点单词1.contain 1.contain vtvt. .包含；容纳；盛；克制包含；容纳；盛；克制( (强烈的强烈的 感情感情) )；抑制；阻止；抑制；阻止 A CD-ROM is a separate disk
48、 that A CD-ROM is a separate disk that containscontains lots of information. lots of information. 一个一个CD-ROMCD-ROM是一个独立的硬盘，它含有很多信是一个独立的硬盘，它含有很多信 息。息。 ( (回归课本回归课本P P5151) )观察思考观察思考The book contains all the information you The book contains all the information you need.need.这本书里包含你需要的所有信息资料。这本书里包含你需要的
49、所有信息资料。He was so excited that he could hardly contain himself.He was so excited that he could hardly contain himself.他他激动得不能自已。激动得不能自已。归纳拓展归纳拓展contain oneselfcontain oneself克制自己克制自己container container n n. .容器；集装箱；货柜容器；集装箱；货柜 containcontain不用于进行时态。不用于进行时态。注意注意易混辨异易混辨异contain/include/includingcontain
50、/include/including(1)contain(1)contain通常用来指某种容器中盛有某物，装通常用来指某种容器中盛有某物，装有某物，还指某种物质中含有某成分或含有其他有某物，还指某种物质中含有某成分或含有其他物质。指作为组成部分而被物质。指作为组成部分而被“包含包含”或或“容纳容纳”在内。在内。(2)include(2)include通常表示把某事物作为其中的一部分通常表示把某事物作为其中的一部分包含在内。在句中常构成分词短语包含在内。在句中常构成分词短语sth./sb.sth./sb.includedincluded。(3)including(3)including是介词，表
51、示是介词，表示“包括包括在内在内”，通常构成介词短语通常构成介词短语including sth./sb.including sth./sb.。试比较：。试比较：Then came in five people,including two Then came in five people,including two foreigners.=Then came in five people,two foreigners.=Then came in five people,two foreigners included.foreigners included.然后进来五个人，包括两个外国人。然后进来
52、五个人，包括两个外国人。2.He designed the first 2.He designed the first “web browserweb browser”, , which allowed computer users to access which allowed computer users to access documents from other computers. documents from other computers. 他设计了第一个网络浏览器，它可以允许计算他设计了第一个网络浏览器，它可以允许计算 机使用者使用其他计算机上读取的文件。机使用者使用其他计算机
53、上读取的文件。 考查考查whichwhich引导非限制性定语从句引导非限制性定语从句 太阳给予大地热，这就使植物的生太阳给予大地热，这就使植物的生 长成为可能。长成为可能。 考点提炼考点提炼句子仿造句子仿造The sun heats the earth,which makes itThe sun heats the earth,which makes itpossible for plants to grow.possible for plants to grow.易接近的、可以使用的易接近的、可以使用的创造创造, 创建创建, 创作创作(新的事物新的事物)percentagen.become
54、known ascommunicationuniversity养成作养成作的习惯的习惯设计第一个网络浏览器设计第一个网络浏览器come up with 成千上万的百万富翁成千上万的百万富翁from that moment on go downaccessible adj.百分数，百分率百分数，百分率create vt.来源、出处来源、出处 信息信息sourceinformation作为作为而出名而出名通信、交流通信、交流大学大学develop the habit of doing sth.design the first “web browser”想到；提出，提供想到；提出，提供thousands of millionaires从那时起从那时起 下降下降
