Unit 4 Extended reading 教案-2022-2023学年牛津译林版（2020）高中英语选择性必修第二册

Unit 4 Living with technology Extended reading: Virtual Reality · 内容分析： 【What】本板块的语篇是一段访谈脚本，对话双方分别为科技杂志的编辑和虚拟现实领域的专家。专家首先向读者介绍了虚拟现实的定义和原理；接着分别从教育、医学及日常生活等方面探讨了虚拟现实的实际运用领域和发展前景；在客观分析了阻碍虚拟现实技术发展的原因——时间、费用及技术局限后，专家表示自己对虚拟现实的未来还是抱有乐观态度的。 【Why】本板块的语篇通过对虚拟现实这一新兴科技的探讨和分析，旨在帮助学生认识虚拟现实技术的广泛运用，以及它将如何从方方面面改变人们的日常生活，让学生感受科技对生活产生的深远影响，以积极的态度对待虚拟现实技术的快速发展。 【How】本文的语篇类型为访谈脚本，通过科技杂志编辑和虚拟现实专家之间的对话展开全文，一方面，编辑的每个问题都起到开篇布局、承上启下的作用，构成了全文的主要框架，使读者明白语篇的主要目的以及结构特征；编辑轻松的语言风格也使读者能够共享其对虚拟现实技术的赞许和好奇。另一方面，专家对问题的回答则为读者提供了详实的信息，既有专业的说理，又有生动的例证，增强了文章的可信度和可读性。 · 教学目标： By the end of this section, students will be able to: 1. summarize the related information about VR; 2. give examples of the applications of VR; 3. describe the future development of VR. · 教学重难点： Students will find it a little bit hard for them to: 1. describe how VR works; 2. imagine what the future life will be with VR development. · 教学过程： Step 1 Lead-in Watch a short video: What is Virtual Reality? Talk about with Ss: What words or phrases Ss have got in the video? Examples: modern concept; VR headset; digitally; images; 3 dimensions; interact; real-world; trainings and simulations, etc. Step 2 Free Talk What do you think is the most important value of VR? I think the most important value of VR is that it can create a virtual world which is indistinguishable from the real one. When used appropriately, this is definitely a game-changing approach for fields like education and entertainment. Although it is hard to tell whether creating a virtual world is a good thing, we can still look forward to the future development of VR. Step 3 Reading Listen to the interview and fill in the mind map. Key: Step 4 Careful Reading Fill in the table with the information from the interview transcript. (P54) What VR is How it works Applications: Show Ss some gifs, and ask them in which field is each application. Key: A. in education B. in medicine C. in entertainment D. in shopping E. in travelling Barriers: Time, cost and technical limit