Unit 4 Living with technology Extended reading 课件-2023-2024学年高中英语译林版（2019）选择性必修第二册

Unit 4 Living with technology Extended reading First, let’s watch a video 1. Do you know what technology behind the video is? This video actually has a lot to do with the technology of virtual reality, which makes everything look so real and amazing. 2. Have you heard of or used VR? What do you know about it? Read the interview and list the questions Susan asked. What is virtual reality and how does it work? What are the examples of the practical applications of VR? How can VR be used for highly developed technical industries such as medicine? How will VR affect the different aspects of our everyday lives? What barriers does VR have? Are you optimistic about the future of VR? Fill in the table with the information from the interview transcript. What VR is How it works Applications Barriers Future What VR is How it works Basically, VR, or virtual reality, means “reality that is not real”. When you wear a VR headset equipped with sensors and a screen, you are surrounded by three-D images, sounds and other sensory information, which creates a super-realistic effect called “presence”. Though you know the sensory information surrounding you is not real, part of your brain believes it is—and acts accordingly. Applications Barriers Future VR is widely used in education, medicine, entertainment, shopping and travelling. The barriers include time, cost and technical limitations. There are endless possibilities. Read the interview transcript again and answer the questions. 1. How does the expert introduce the examples of different applications of VR? The expert introduces the examples in an orderly way. Linking words such as “also” are used to connect examples. He also uses topic sentences when introducing different aspects of the applications, such as the topic sentence “There are a host of educational applications.” 2. How is 5G technology related to the development of VR? 5G technology, with its potential to serve up more stable mobile connect