Unit 2 Extended reading 教案 -2022-2023学年牛津译林版（2020）高中英语选择性必修第三册

Unit 2 Out of this world Extended reading: Why we explore · 内容分析： 【What】本板块的语篇取材于杂志，围绕人类探索太空的原因，从五个层面展开论述：探索未知是人类的天性；太空探索，有助于人类理解宇宙的起源、演变和未来发展；在太空探索中所取得的技术进步可用于解决人类面临的某些重大问题；太空探索能带来巨大的经济价值；太空探索可以教育和启迪下一代。 【Why】本文通过引导学生探讨太空探索的意义，使学生了解人类航空航天事业发展的历史与现状，关注我国太空探索所取得的成就与突破，从而激发学生探索太空的兴趣，增强民族自豪感。 【How】本文的语篇类型为议论文，文章结构清晰，论点明确，逻辑性强，说理严谨，作者开篇设问：太空探索既充满危险与挑战，又耗费大量财力物力，人类为何仍然坚持进行探索？随后作者从五个层面论述了其背后的原因，通过引用名人名言、列举事实、提供数据等论证手段来展开论述。 · 教学目标： By the end of this section, students will be able to: 1. summarize the author’s arguments for space exploration; 2. identify the structure and features of the argumentative essay; 3. critically analyse the advantages and disadvantages of space exploration; 4. strengthen their desire to further explore the unknown field in science. · 教学重难点： Students will figure out a little bit hard for them to: 1. analyse the advantages and disadvantages of space exploration; 2. express their own attitudes towards space exploration. · 教学过程： Step 1 Lead-in Enjoy a video, introducing some cartoon characters who are exploring the space. After watching the video, students get to talk about the reasons for exploring the space. Another video is provided. Step 2 Fast reading Main ideas of paragraphs Listen and then tell the main ideas of each paragraph. Para.3: To better understand the origin, evolution, and likely future or the universe Para.4: To solve big problems and make our lives safer and easier Para.5: To gain great economic value Para.6: To educate and inspire the next generation Review the main ideas of paragraphs Keywords are given on the screen: Para.1: Why? Para.2: curiosity Para.3: understanding Para.4: problem-solving Para.5: economic value Para.6: education & inspiration Reasons for space exploration Have students talk about the reasons for space exploration: · It is our nature to explore. · It enables us to learn more about the origin, evolution, and likely future of the universe. · Technologies first researched and developed for space exploration