四川邮电职业技术学院教案专用纸 17. have difficulty in doing sth:做某事有困难 e.g. Do you have any difficulty in understanding spoken English? 18.与本单元课题有关的电信术语或用语: X25 protocol X.25协议 television signals电视信号 narrowband services窄带业务 basic access基本接入 coaxial同轴的 direct broadcast system直接广播系统 end-to- end delay端到端的时延 chip technology芯片技术 high definition television高清晰度电视 operations and maintenance运行 与维护 IV. Post-reading Activities i. Review the important expressions, phrases or sentences which were learnt in the study of text by guiding the students through Exercises 1-2 需要掌握的几个基本问题 1)当前电信网络的特征是什么?其特征带来什么严重后果? 2)当前电信网络的几大缺点是什么? 3)新型的单一网络有什么特点? ii. Ask the students to summarize the translation skills touched upon in the study of the text V. Further Development of the Theme-related Specialized Knowledge 第十六单元 http://www2.zzu.educn/ Current Situation and the Future in the Telecommunication World VI. Assignments: Do Exercises3-5 as homework Page 7 of 7 Teaching Plan of English for Telecommunications Unit 16四川邮电职业技术学院教案专用纸 Page 7 of 7 Teaching Plan of English for Telecommunications Unit 16 17．have difficulty in doing sth : 做某事有困难 e.g. Do you have any difficulty in understanding spoken English? 18. 与本单元课题有关的电信术语或用语： X.25 protocol X．25 协议 television signals 电视信号 narrowband services 窄带业务 basic access 基本接入 coaxial 同轴的 direct broadcast system 直接广播系统 end- to – end delay 端到端的时延 chip technology 芯片技术 high definition television 高清晰度电视 operations and maintenance 运行 与维护 IV. Post-reading Activities i. Review the important expressions , phrases or sentences which were learnt in the study of text by guiding the students through Exercises 1-2. 需要掌握的几个基本问题： 1) 当前电信网络的特征是什么？其特征带来什么严重后果？ 2) 当前电信网络的几大缺点是什么？ 3) 新型的单一网络有什么特点？ ii. Ask the students to summarize the translation skills touched upon in the study of the text. V. Further Development of the Theme-related Specialized Knowledge 第十六单元 http://www2.zzu.edu.cn/ Current Situation and the Future in the Telecommunication World VI. Assignments： Do Exercises3-5 as homework