Unit 5 Internet.ppt

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1、Internet大连理工大学出版社大连理工大学出版社Passage One Internet A Magic WorldTraining target: In this part, our target is to train your reading comprehension. We have made the flexible sentences strong black and marked the subject, predicate and have object of them. Try to grasp the main idea of these sentences.主语、谓

2、语、宾语大连理工大学出版社大连理工大学出版社Passage One Internet A Magic WorldInternet is a giant global and open computer network, which is a collection of interconnected networks. It is also a way to exchange information and share resource between international computers.The original Internet is ARPANET(Advanced Resear

3、ch Projects Agency Network ) , which was established by U.S. Department of Defense in 1969. The ARPANET was used to share data between some separated military institutes and universities in region. By 1972 the network had expanded to incorporate 40 nodes. Many U.S. government agency networks had bee

4、n linked by ARPANET, and because the networks were of a disparate nature, a common network protocol called TCP/IP (Transmission Control Protocol&Internet Protocol) was developed and became the standard for inter-networking military computers. interconnect v.互联international adj. 国际的military adj. 军事的,

5、军用的node n. 节点protocol n. 协议大连理工大学出版社大连理工大学出版社Passage One Internet A Magic WorldWhen the U.S. was developing their national net, the other countries were developing too. At the end of 1980s, interlinkage of different countries computer net appears. After that there were countries joining in every yea

6、r and getting to form the present Internet. It is growing so quickly that nobody can say exactly how many users are “On the Net” now.Once your computer makes a connection with the Internet, you will find that you have walked into the largest repository of informationa magic world. The following are

7、the important service functions that Internet provides.repository n. 仓库，资源丰富的地方大连理工大学出版社大连理工大学出版社Passage One Internet A Magic World1.E-mailThe most widely used tool on the Internet is electronic mail or E-mail. E-mail enables you to send messages to Russian, Japan and so on, no matter how far betwee

8、n individuals. E-mail messages are generally sent from and received by mail serverscomputers that are dedicated to processing and directing E-mail. As a very convenient and inexpensive way to transmit messages, E-mail has grammatically affected scientific, personal and business communications. In so

9、me case, E-mail has replaced the telephone for conveying messages.mail server 邮件服务器dedicate to 用作,奉献大连理工大学出版社大连理工大学出版社Passage One Internet A Magic World2.File transferFile Transfer Protocol (FTP) is a method of transferring files from one computer to another over the Internet, even if each computer

10、has a different operating system or storage format. FTP is designed to download files (e.g. receive from the Internet) or upload files (e.g. send to the Internet). The ability to upload and download files on it is one of the most features the Internet offers. This is especially helpful for those peo

11、ple who rely on computers for various purposes and who may need software drivers and upgrades immediately. Network administrators can rarely wait even a few days to get the necessary drivers that enable their network severs to function again. The Internet can provide these files immediately. downloa

12、d v. 下载upload v. 上传upgrade n. 升级， 软件升级大连理工大学出版社大连理工大学出版社Passage One Internet A Magic World3.The World Wide WebThe World Wide Web (WWW), which Hypertext Transfer Protocol (HTTP) works with, is the fastest growing and most widely-used part of the Internet. The WWW is a way to exchange information betw

13、een computers and the Internet. Hyperlink makes the Internet easy to navigate. It is an object (word, phrase, or picture) on a Web page that, when clicked, transfers you to a new webpage. One of the main reasons for the extraordinary growth of the Web is the ease in which it allows access to informa

14、tion. One limitation of HTTP is that you can only use it to download files, and not upload them.hypertext n. 超文本hyperlink n. 超链接extraordinary adj. 特别的， 非常的大连理工大学出版社大连理工大学出版社Passage One Internet A Magic World4.TelnetTelnet allows an Internet user to connect to a distance computer and use that compute

15、r as if he or she were using it directly. To make a connection with a Telnet client, you must select a connection option: “Host Name” and “Terminal Type”. The host name is the IP address (DNS) of the remote computer to which you connect. The terminal type describes the type of terminal emulation tha

16、t you want the computer to perform. telnet 远程登录terminal n. 终端emulation n. 竞争大连理工大学出版社大连理工大学出版社Passage One Internet A Magic World5.BBSAnother interesting application for Internet is the Electronic Bulletin Board which is also called Bulletin Board Service, BBS for short. It allows users to post and r

17、etrieve messages that are not directed to a specific user, much like announcements are posted on an office bulletin board. BBS has been used for everything from dating services to want ads.The Internet has many new technologies, such as global chat, video conferencing, free international phone and m

18、ore. The Internet becomes more and more popular in society in recently years. So we can say that Internet is your PCs window to the rest of the world. Electronic Bulletin Board 电子公告板retrieve v. 取回,收回video conferencing 电视会议大连理工大学出版社大连理工大学出版社Passage One Internet A Magic Worldnode n. 节点 protocol n. 协议d

19、ownload v. 下载 upload v. 上传 upgrade n. 升级，软件升级 host n. 主机hypertext n. 超文本 hyperlink n. 超链接terminal n. 终端 E-mail n. 电子邮件TCP/IP( Transmission Control Protocol/Internet Protocol) 传输控制协议和网际协议WWW (World Wide Web) 万维网FTP (File Transfer Protocol) 文件传输协议HTTP（Hypertext Transfer Protocol) 超文本传输协议telnet 远程登录BBS

20、 (Bulletin Board Service) 电子公告板DNS（Domain Name Server） 域名服务器video conferencing 电视会议Key Words大连理工大学出版社大连理工大学出版社Passage Two Website Design Training target: In this part our target is to train your reading speed. You should pay more attention to “keywords”. We have marked keywords in some paragraphs. Y

21、ou can quickly grasp the main idea of the sentences and paragraphs by these keywords, the rest can be practiced by yourself. It will raise your reading speed. 关键词大连理工大学出版社大连理工大学出版社Passage Two Website DesignMany people wish to create a flashy website. But creating a great website doesnt happen at the

22、 tips of the fingers, it happens in the depths of the brain. Outstanding websites result from extensive planning. Prior preparation saves time and avoids frustration both during page creation and when updates and additions are required. The three-step design tutorial will show you how to create a hi

23、gh-end attractive website. Step OneDetermining who use your site and their infor-mation needsSuccessful websites know who their customers are and why they visit, and they provide a responsive and attractive display to those viewers. Customers dont visit our site because we spend time creating it; cu

24、stomers deserve maximum benefit from the time they allocate to us. website n. 网站prior adj. 在先的， 优先的frustration n. 挫折，挫败tutorial n. 辅导，指导allocate v. 分配大连理工大学出版社大连理工大学出版社Passage Two Website DesignStep TwoEditing your webpage1. Establish an identity and use it consistently on all pagesViewers of our we

25、bpages should know exactly who we are, and after linking should know if theyre still on one of our sites pages. It doesnt mean every page looks the same, but the colors and graphics we use should be consistent throughout the website. Establish a theme or identifying characteristic for your website.2

26、. Create user-friendly navigationOn a well-planned website its quick and easy to get to information pagesthats navigation. Plan navigation before pages are created. Establish a navigation plan to ensure that viewers quickly get what they need and that new pages of content can be quickly inserted and

27、 located. webpage n. 网页identity n. 特性，图标theme n. 主题navigation n. 导航大连理工大学出版社大连理工大学出版社Passage Two Website Design3. Page layoutWhats the difference between a webpage and a GREAT webpage? A webpage gives us information; a GREAT webpage catches our attentionthat “Oh, Wow!” reactionand gives information

28、as expeditiously as possiblethe key is planning and creativity. To begin layout, analyze the information to be displayed and decide how it will be most readable. Pick the template that best accommodates that display. As your templates were created, page layout may have been anticipated. There are th

29、ree methods to create balanced page layout: blockquote margins, tables, and frames. Each method has pros and cons; it can be advantageous to use all three to build a website.layout n. 布置,规划template n. 模板，样板frame n. 框架pros and cons 优缺点大连理工大学出版社大连理工大学出版社Passage Two Website Design4. Focus on textViewer

30、s come to website for information and if they dont get what they need, flash and glitz wont bring them back. The best websites pack essential information into well-organized and well-written text. Webpages should not, however, be too heavily written text. Surveys show that Web users will not read lo

31、ng paragraphs of information. They prefer concise, bite-sized sections, clearly delineated so they can scan for the information they need. You should write essential content as clearly and concisely as possible with brief topic headers.5. Use graphic images to enhance, not overpower Graphics are a s

32、pecial challenge for web designers, requiring balance between overuse and skimpiness. A site filled with graphic images can have charm and impact. The secret for effective graphics is to stick to the theme and identity of the website.focus on 注意concise knsais adj. 简洁的,简明的delineate dilinieit v. 叙述,描写

33、graphic grfik adj. 图形的skimpiness n. 简洁,节俭大连理工大学出版社大连理工大学出版社Passage Two Website DesignStep threePutting your new site on the web.1. Domain Name RegistrationThe domain name is the address that users type into their web browsers (Internet Explorer or Netscape) to view your website. You select one or mo

34、re proposed domain names such as A or B. Your domain name must not be used by anyone else, and shorter is better. Choose a domain name that best reflects your business, products or services.2. Publish the websiteIn this step you will be given instructions for uploading your new website to a computer

35、 knowas a “server” where it makes your information available to any web surfer world wide. You will need an FTP client in order to upload files to your web server. CuteFTP are highly recommended.Once a Host has been selected, we will “publish” your new website for accessibility to everyone on the Wo

36、rld Wide Web. domain name 域名大连理工大学出版社大连理工大学出版社Passage Two Website Design3. Promote your websiteWebsite promotion involves submitting your site address and search words to the top 12 search engines, which are Netscape, Yahoo, Microsoft, Alta Vista, Ask Jeeves, AOL, Excite, Google, Goto, HotBot, Looks

37、mart and Lycos. These engines represent over 98% of all U.S web searches. We can create special “headers” on your website that include all the necessary search engine friendly information. Other website promotion you may establish is: placing your web address on all stationery, business cards, and a

38、ll broadcast and printed advertising media. You can begin as soon as your domain name is registered.Creating and publishing your website is just “Tip of the Iceberg”. The remaining 90% is unseen below the surface. These unseen features are important to the success of your website. They include meta

39、tag creation, regular search engine submission, marketing exchange programs and many others.promote v. 宣传，推广meta tag META标签大连理工大学出版社大连理工大学出版社Passage Two Website Designwebsite n. 网站 layout n. 布置，规划update v. 更新 template n. 模板、样板webpage n. 网页 frame n. 框架identity n. 特性、图标 graphic adj. 图形的theme n. 主题 dom

40、ain name 域名navigation n. 导航 promote v. 宣传、推广meta tag META标签Key Words大连理工大学出版社大连理工大学出版社Reading E-CommerceTraining target: Read the following reading materials and use the reading skills mentioned in the passage above. There may be some new words in the reading materials, just try to guess the meaning

41、 and put your dictionary aside.大连理工大学出版社大连理工大学出版社Reading E-CommerceHow does E-Commerce create business opportunities?（Pic 5.1）大连理工大学出版社大连理工大学出版社Reading E-CommerceIn the 21st century, the rapid development of information technology and the rapid increase in information exchange have brought new drive

42、s and innovative ideas to the whole society. The wide adoption of information technology by the community has led to great changes. These changes are not simply in the context of data processing or computing. They are changes which affect how we communicate with each other, how we organize our daily

43、 activities, how we educate the younger generation, and how we run business. The development and wide adoption of information technology, computer network and Internet have transformed the mode of operation of many businesses, and at the same time have brought along unprecedented business opportunit

44、ies. Businesses are now able to conduct transactions across geographical boundaries, across time zones and at a high efficiency. E-Commerce has become the market trend of the Century. 大连理工大学出版社大连理工大学出版社Reading E-CommerceWhats E-Commerce?E-Commerce is doing business through electronic media. It means

45、 using simple, fast and low-cost electronic communications to transact, without face to face meeting between the two parties of the transaction. Now, it is mainly done through Internet and Electronic Data Interchange (EDI). E-Commerce was first developed in the 1960s. With the wide use of computer,

46、the maturity and the wide adoption of Internet, the permeation of credit cards, the establishment of secure transaction agreement and the support and promotion by governments, the development of E-Commerce is becoming prosperous, with people starting to use electronic means as the media of doing bus

47、iness.大连理工大学出版社大连理工大学出版社Reading E-CommerceTypes of E-CommerceElectronic network within the company: through Intranet, people can exchange and handle business information internally. Business-to-Business (BTB) E-Commerce: amongst all other types of E-Commerce, this way of doing business electronicall

48、y through Internet or Electronic Data Interchange is the one that deserves the most attention. As estimated by Forrester Research, BTB E-Commerce will grow at a rate three times that of Business-to-Consumer E-Commerce and thus has the greatest potential for growth. Business-to-Consumer(BTC): busines

49、ses provide consumers with online shopping through Internet, allowing consumers to shop and pay their bills online. This type of offering saves time for both retailers and consumers. 大连理工大学出版社大连理工大学出版社Reading E-Commerce Consumer-to-Consumer: consumers can post their own products online through some

50、agent websites for other consumers to bid. Government-to-Business: this mode of trading often describes the way in which government purchases goods and services through electronic media such as Internet, for example the Electronic Tendering System (ETS). This system is an infrastructure to provide o