四川邮电职业技术学院教案专用纸 2. Teacher leads into the text by saying: Now we are in the twenty first century, the era of "nformation technology". There is no doubt that information technology has had an exponential growth through the modern telecommunication systems. Particularly, optical fiber communication plays a vital role in the development of high quality and high-speed telecommunication systems. Today, optical fibers are not only used in telecommunication links but also used in the Internet and local area networks(LAN) to achieve high signaling rates. Now, let's study the following text in detail to look back on its historical development and look forward its future II. While-reading activities i New words and phrases Students read the new words and phrases aloud one by one after teacher ii. Text organization 15 mins 1. Ss read the text and point out the main idea of the text The main idea: The text mainly discusses the historical development of optical fiber communication and its latest development 2. Ss make an analysis of the organization of the text The text may be divided into four major sections ection(Linesl-8): introduction of the extent of the recent development of optical fiber communication through the total length of installed optical fiber; communication: Section3 (Lines57-74): the latest development and future of optical fiber communication iii. Key language points 42 1. One indication of the extent of this development is the total length 翻译技巧:词类转换 英语中大量由动词派生的名词往往可转译为汉语动词,例如此句可译 为“用光纤敷设总长度可以表明其发展程度”。 更多译例 O Rockets have found application for the exploration of the universe Page 3 of 6 Teaching Plan of Telecommunications English Unit四川邮电职业技术学院教案专用纸 Page 3 of 6 Teaching Plan of Telecommunications English Unit 5 2. Teacher leads into the text by saying: Now we are in the twenty first century, the era of “Information technology”. There is no doubt that information technology has had an exponential growth through the modern telecommunication systems. Particularly, optical fiber communication plays a vital role in the development of high quality and high-speed telecommunication systems. Today, optical fibers are not only used in telecommunication links but also used in the Internet and local area networks (LAN) to achieve high signaling rates. Now, let’s study the following text in detail to look back on its historical development and look forward its future. III. While-reading Activities i. New words and phrases Studentsread the new words and phrases aloud one by one after teacher. ii. Text organization 1. Ss read the text and point out the main idea of the text. The main idea: The text mainly discusses the historical development of optical fiber communication and its latest development. 2. Ss make an analysis of the organization of the text . The text may be divided into four major sections. Section1 (Lines1-8): introduction of the extent of the recent development of optical fiber communication through the total length of installed optical fiber; Section2 (Lines9-56): the historical development of optical fiber communication; Section3(Lines57-74): the latest development and future of optical fiber communication: iii. Key language points 1. One indication of the extent of this development is the total length of installed fiber,…. 翻译技巧：词类转换 英语中大量由动词派生的名词往往可转译为汉语动词，例如此句可译 为“用光纤敷设总长度可以表明其发展程度”。 更多译例： ① Rockets have found application for the exploration of the universe. 3 mins 15 mins 42 mins