四川邮电职业技术学院教案专用纸 Teaching Content Contents Time Teaching Apparatuses I. Revision 1. Teacher can use the following questions to help the students to revise what they studied in the last unit loud speaker, What have we studied in the Unit 5? Possible answers: Introduction to Optical Fiber Communication blackboard 2. Teacher uses the following exercise to help the students to revise the mportant expressions or phrases or sentences which were learnt in the study of last uni Teacher: When I say a phrase or an expression in Chinese, you respond by giving an English equivalent your learnt in the study of Unit 5 3 mins Teacher( Chinese Students( English) 光纤学 fiber optics 光缆 optical cables 光源 光电检测器 photodetector 视频带宽 video bandwidth 宽带业务 broadband services I Pre-reading activities 1. Ask the Ss the following question related to the theme of the text What is SDH? Do you know anything about SDH? Possible answerS: SDH is an International Standard for high-speed synchronous optical telecommunication networkS---a Sy Hierarchy. (The Ss might be encouraged to discuss this topic before class either English or in Chinese. 2. Teacher leads into the text by saying: From your previewing of the text, based on your knowledge about them, I'm sure you can achieve a good understanding of this text, SDH. Now, let's have a careful study of the text.(Minute) Page 2 of 8 Teaching Plan of Telecommunications English Unit 6四川邮电职业技术学院教案专用纸 Page 2 of 8 Teaching Plan of Telecommunications English Unit 6 Teaching Content Contents Time Teaching Apparatuses I. Revision 1. Teacher can use the following questions to help the students to revise what they studied in the last unit. What have we studied in the Unit 5 ? Possible answers: Introduction to Optical Fiber Communication 2．Teacher uses the following exercise to help the students to revise the important expressions or phrases or sentences which were learnt in the study of last unit. Teacher : When I say a phrase or an expression in Chinese, you respond by giving an English equivalent your learnt in the study of Unit 5. Teacher ( Chinese ) Students ( English) 光纤学 fiber optics 光缆 optical cables 光源 light sources 光电检测器 photodetector 视频带宽 video bandwidth 宽带业务 broadband services II. Pre-reading Activities 1. Ask the Ss the following question related to the theme of the text: What is SDH? Do you know anything about SDH? Possible answers: SDH is an International Standard for high-speed synchronous optical telecommunication networks---a Synchronous Digital Hierarchy. (The Ss might be encouraged to discuss this topic before class either in English or in Chinese.) 2. Teacher leads into the text by saying: From your previewing of the text, based on your knowledge about them, I’m sure you can achieve a good understanding of this text,SDH. Now, let’s have a careful study of the text. (1minute) 3 mins 3 mins computer， projector， loud speaker， blackboard