Unit 4 Extended reading ppt课件-（2020）新牛津译林版高中英语高二上学期选择性必修第二册.ppt

1、Unit 1Reading 1The evolution of video and sound devices高中英语高中英语 选择性必选择性必修修（第二册）（第二册）Unit 4 Living with technologyExtended readingVirtual realityThis video actually has a lot to do with the technology of virtual reality, which makes everything look so real and amazing.Lead-in1. Do you know what techn

2、ology behind the video is? 2. What questions would you ask if you had the chance to interview an expert in this field?Lead-inIf I were given the chance, I would ask him lots of questions, like what VR is, how it functions and in what fields it can be used. We can even make a list of questions before

3、hand. What questions are asked in this transcript? What are the answers given by the expert? Why not go through the transcript and figure out the detailed information in the following mind map?ReadingReadingVirtual realityWhat VR isHow it worksApplicationsBarriersFutureWhat VR isHow it worksApplicat

4、ions BarriersFutureReadingBasically, 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 yo

5、u know the sensory information surrounding you is not real, part of your brain believes it isand acts accordingly.VR is widely used in education, medicine, entertainment, shopping and travelling.The barriers include time, cost and technical limitations.There are endless possibilities. 2. Write a sum

6、mary of the interview transcript.Virtual reality is something that looks real but is not real at all. With the relevant equipment, one can experience the virtual reality technology immediately. This is a technology that has been used in the fields of education and medicine. Besides, it will have hug

7、e impacts on our daily lives as well, such as entertainment, shopping and travelling. However, there are some barriers to its development, like time, cost and technical limitations. Despite these challenges, VR still has a bright future.Reading(1) What do you think of the applications mentioned in t

8、his part?AppreciationI think it is quite thrilling.1. Read from Line 12 to Line 20 on Page 53 and answer the following questions.(2) In which classes can virtual reality be used from your perspective? AppreciationVirtual Realitya History classa Chinese classan English classan Art classa Geography cl

9、assa Literature classa Maths classa Chemistry class(3) What is your dream job and how would you combine VR with your future profession?AppreciationIf I could be a doctor some day, I might perform the surgeries more successfully with the help of VR, thus making it more likely for me to save more live

10、s.2. What other applications of VR do you know about?AppreciationVirtual reality in the courtroom: lawyers usually use photos to try to explain the mechanics of a crime or an accident to a jury. It is challenging to show the judge and jury what actually happened at a crime scene or at the precise mo

11、ment of impact during a serious accident. With VR, lawyers are now able to transport them directly into the scene of the crime or accident.AppreciationVirtual reality in sport: athletes use this technology to fine-tune certain aspects of their performance and VR is also used in the design of sportin

12、g clothes and equipment, such as running shoes. Virtual reality has been used to improve the audiences experience of a sporting event too, like walking through a stadium, or even taking part in a game or an event.AppreciationMost people may get excited with VR, but some people may think VR is not re

13、al and get disappointed. There are also some people who dislike it simply due to the possibly high price they have to pay to experience the VR technology.3. Think about peoples attitudes towards VR and answer the following questions.(1) What do you think of peoples attitude towards VR?Appreciation(2

14、) Whats your own attitude towards VR? I think VR may be a double-edged sword. For one thing, its really wonderful. As a type of modern technology, it obviously has a lot of advantages. We can go wherever we want with the help of VR and life seems to be much more interesting thanks to it. It has brou

15、ght us unprecedented experience. For another, people may indulge in virtual reality too much to get back to reality. 4. What future development do you think VR will have? AppreciationFully immersive VR is on the cards for the future development of VR technology. There would be a revolutionary interf

16、ace and a newer powerful computing platform. Programmers and developers would create a richly detailed virtual world with unlimited possibilities and scenarios. Then a powerful computer will be able to detect the users quick movements in real time and adjust the VR experience accordingly. The hardwa

17、re would also be developed to keep up with the software, so head-mounted displays, sensory gloves, high-definition screens and stereo sound systems will all be linked to the computer system, thus fully immersing the user into the virtual world. 5. What would you write if given a chance to write to F

18、rank? WritingDear Frank,I am a high school student and has recently read about your interview. Im writing to ask for more information I want to know about virtual reality.I am really amazed by what you said and I was wondering how the technology can be used in my classes. Besides, Im interested in i

19、ts medical applications as I always dream of being a doctor in the future. Can you give me clearer explanations? Is it possible that some day people may focus only on the virtual reality rather than reality? If so, will it be a huge threat to human beings?I would appreciate it if you could write back. Yours, xxxWritingPolish up your writing and surf the internet for more information about VR. Homework