四川邮电职业技术学院教案专用纸 1. Ss read the text and point out the main idea of the text. The main idea: The text mainly discusses the importance, characteristics and development of IsDN The text may be divided into three major sections Section 1 (Lines 1-7): It tells us that Isdn is the road map to the future for all forms of digital communications Section 2 (Lines 8-60): The characteristics and growth of ISDN Section 3(Lions 61-62): ISDN will be the blueprint to the electronic communications system of the future iii Key language points 1. The integrated services digital network(IsDn) is the road map to the future for all forms of digital communications Integrate:Vt. to combine things together使结合,使并入 Train and bus services have been well integrated Integrated: adj. an integrated systems or institutions combines many different groups, ideas or parts in a way that works well mIns 过去分词修饰名词时反映动作的结果。(如下 best kept trillion dollar secret) Digital: adj. using a system in which information is represented in the form of changing electrical signals Digital computer/ control(数控)/ recording(数字式录音 Translation:对各种形式的数字通信来说,综合业务数字网(ISDN)是 未来的发展方向 4 mins 2. Dictate:Vt. to control or influence; determine支配,命令 Funds dictate what we can do Can they dictate how the money will be spent? I mins 3. ISDN is, therefore, a mega-telecommunication issue and as such it is probably the worlds best kept trillion dollar secret. Mega: prefix, 1) a million times a particular unit of something. Megahertz(兆赫), megabyte, megawatt 2)great, very large Megaphone(扩音器), megastar( superstar) 4. Enormous: extreme ly large in size nt巨大的 The amount of data involved is enormous 5. This new prominence does not mean that the idea is new Prominence: the fact of being important and well- known t Gandhi first came to prominence in South africa in 1920 Page 4 of 9 Teaching Plan of English for Telec Unit 15四川邮电职业技术学院教案专用纸 Page 4 of 9 Teaching Plan of English for Telecommunications Unit 15 1. Ss read the text and point out the main idea of the text. The main idea: The text mainly discusses the importance, characteristics and development of ISDN. 2. Ss make an analysis of the organization of the text . The text may be divided into three major sections. Section 1 (Lines 1-7): It tells us that ISDN is the road map to the future for all forms of digital communications. Section 2 (Lines 8-60): The characteristics and growth of ISDN. Section 3 (Lions 61-62): ISDN will be the blueprint to the electronic communications system of the future. iii. Key language points 1. The integrated services digital network(ISDN) is the road map to the future for all forms of digital communications. Integrate: Vt. to combine things together 使结合，使并入 Train and bus services have been well integrated. Integrated: adj. an integrated systems or institutions combines many different groups, ideas or parts in a way that works well. 过去分词修饰名词时反映动作的结果。(如下 best kept trillion dollar secret) Digital: adj. using a system in which information is represented in the form of changing electrical signals. Digital computer / control (数控) / recording (数字式录音) Translation: 对各种形式的数字通信来说，综合业务数字网（ISDN）是 未来的发展方向 2. Dictate: Vt. to control or influence ; determine 支配，命令 Funds dictate what we can do. Can they dictate how the money will be spent? 3. ISDN is, therefore, a mega-telecommunication issue and as such, it is probably the world’s best kept trillion dollar secret. Mega: prefix, 1) a million times a particular unit of something. Megahertz (兆赫), megabyte, megawatt 2)great, very large Megaphone(扩音器)， megastar (superstar) 4.Enormous: extremely large in size or in amount 巨大的 The amount of data involved is enormous. 5. This new prominence does not mean that the idea is new. Prominence: the fact of being important and well- known 显著 Gandhi first came to prominence in South Africa in 1920s. 2mins 4 mins 1 mins