Unit 4 Welcome to the unit and Reading I 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 Welcome to the unit & Reading (I) · 内容分析： 本单元为学生提供了丰富的语言学习材料,引导学生围绕“科技发展”这一话题开展相互关联的语言活动,在训练语言技能的同时,提高学习能力,发展思维品质。 Welcome to the unit板块通过一段视频介绍了科技发展使得科幻作品中的幻想变为现实的几个例子,以此导入单元话题,激发学生对本单元的学习兴趣; Reading板块的语篇是一篇关于人工智能的科普文章,重点说明了人工智能的定义、发展、应用以及人们对其发展后果的担忧,引导学生正确认识人工智能的两面性。 · 教学目标： By the end of this section, students will be able to 1. know what descriptions in science fiction have turned into reality; 2. share their ideas about whether anything people can imagine can be made real; 3. imagine future technology and explain how it will change people’s lives. · 教学重难点： 1. Analyze the benefits and potential threats of the development of AI; 2. Know about the applications of facial recognition technology and questions related to it. · 教学过程： Step 1 Lead-in 1. Lead in: The advance of technology is based on making it fit in so that you don’t really even notice it, so it’s part of everyday life. 2. What kind of technology is the most important to you in your daily life? How do you use it? I think the most important technology to me is the Internet. I greatly depend on it to get information and communicate with others. Also, devices like computers, smart phones and even some smartwatches now have access to the Internet. These devices allow me to get online from anywhere and at anytime. They are truly a critical part of my daily life. 【设计意图：紧扣主题，用学生熟悉的运动来激活学生已有的知识和经验，引入主题。】 Step 2 Welcome to the unit Watch a video and fill in the blanks. • Twenty Thousand Leagues Under the Sea: travelling deep under the ocean • 2001: A Space Odyssey: traveling to the Moon • The Matrix: connecting the human brain with computers and entering the virtual world Ask Ss: Do you think life in the video can become a reality? 【设计意图：通过看视频和问答激活学生已有的体育知识，通过询问学生一些问题激发学生对于新兴科技的兴趣。】 Step 3 Pre-reading 1. Q: When we talk about artificial intelligence, what adjectives come to your mind? Possible answers: useful, terrifying, helpful, amazing, cutting-edge, threatening, dou