Unit3 Welcome to the unit&Reading(1)2025-2026学年高中英语译林版选择性必修第二册

该高中英语课件围绕“基因编辑技术及其应用与伦理问题”展开，通过William Osler名言翻译、医疗职业图文讨论导入，搭建从职业认知到科技探讨的学习支架，帮助学生逐步理解基因作用、技术优势及争议。 其亮点在于融合语言能力（术语对照、细节阅读题）、思维品质（如“是否限制基因编辑”等批判性问题链）和文化意识（中外谚语对比），结合视频观看、小组讨论等互动环节，提升学生语言运用与问题解决能力，教师可借助结构化活动设计高效推进教学。

Welcome to the unit & Reading Unit3 Fit for life The practice of medicine is an art, not a trade; a calling, not a business; a calling in which your heart will be exercised equally with your head. — William Osler Read this sentence and try to translate it. Welcome to the unit Pre-reading While-reading Post-reading 交易 使命 生意 行医 The practice of medicine is an art, not a trade; a calling, not a business; a calling in which your heart will be exercised equally with your head. — William Osler Read this sentence and try to translate it. Welcome to the unit Pre-reading While-reading Post-reading 是艺术而非 ，是 而非 。在这个使命中，你要如用脑般用心。 交易 使命 生意 ——威廉·奥斯勒 William Osler, a Canadian medical scientist and medical educator, is regarded as the father of modern medical science. 行医 Medical professionals work hard to keep us healthy. Look at the pictures below and discuss the following questions in pairs. A surgeon performs operations. A physician is trained in general medicine. A chemist prepares and sells medicines in a shop. A dentist specializes in the care of people’s teeth. 外科医生 医师，内科医生 药剂师，药商；化学家 牙科医生 b d c a Welcome to the unit Pre-reading While-reading Post-reading 4 1 Would you like to be a medical professional? Will you choose this kind of major in the university? Afraid of blood Afraid to make false judgements Unable to handle high pressure and expectation Overworked Able to help cure people of diseases Able to save people’s lives Gain a sense of achievement High social status well-paid Welcome to the unit Pre-reading While-reading Post-reading 5 What advances in medical science have you heard about? Blood drawing robot 抽血机器人 ​ AI in Diagnostics and Predictive Medicine​ 3D-Printed Organs and Regenerative Medicine Welcome to the unit Pre-reading While-reading Post-reading Why do they look so much alike? What do you know about genes? Genes Welcome to the unit Pre-reading While-reading Post-reading Small sections of DNA control a particular quality ( passed on from parents) No two individuals are 100% alike. Welcome to the unit Pre-reading While-reading Post-reading DNA RNA gene Welcome to the unit Pre-reading While-reading Post-reading Skimming Please conclude the main idea of each paragraph. Pay attention to the first sentence and the last sentence. Welcome to the unit Pre-reading While-reading Post-reading The structure of the text Introduction Genome editing brings many exciting possibilities. Main body Genes play a critical role in shaping our lives. People are concerned about how to use genome editing appropriately. Despite the public argument, genome editing is one of the greatest inventions in the history of science. Conclusion Genome editing can help with disease treatment and prevention. Para.1 Para.2 Para.3 Para.4 Para.5 Welcome to the unit Pre-reading While-reading Post-reading 1.What’s the type of this passage? A. lecture transcript B. Argument C.Science fiction D. News report 2. What is the author's feeling about the possibilities that genome editing can bring? Reading for details (Para 1) Welcome to the unit Pre-reading While-reading Post-reading Full of excitement. 3. Does that mean the author totally support genome editing? Main Idea Aspects Genes play a critical role in shaping our lives. The of eyes and for math. Make us and . Help determine and affects our chances of . colour our talent lifespan contracting certain diseases grow develop Reading for details (para 2) Q:What information does our personal genome carry? Welcome to the unit Pre-reading While-reading Post-reading Do you know any Chinese or English idioms that describe the powerful influence of genes or genome? Chinese:龙生龙，凤生凤，老鼠的儿子会打洞。 English: Like father, like son. (有其父，必有其子) A. By explaining terms(术语)． B. By explaining statistical data. C. By giving examples. D. By providing research results. Terms (L8) The complete set of genes inside a cell or a living being is called a genome. Examples (L7) Everything from the color of our eyes to our talent for maths depends on genes. (L11-13) Some people, for example, carry a gene that makes them more likely to catch a certain virus or develop a particular form of cancer. Welcome to the unit Pre-reading While-reading Post-reading How does the author support his idea in paragraph 2？(multiple-choice) Reading for details (para 3) 1.How does genome editing help with disease treatment and prevention? 2.How might genome editing make it possible to prevent diseases from developing? Ways to make changes to the genome: _________________________________________ specific parts of the genetic material. By correcting, adding, deleting or replacing By correcting abnormal genes early on. Welcome to the unit Pre-reading While-reading Post-reading Application in medical fields of : Disease treatment eg. _________________________________________ ____________________________________________ It might even prevent diseases from ever developing by correcting abnormal genes early on. Significance: It will lead to a _____________ change in our ______________________. Disease __________ prevention fundamental Restore a blind person's vision or give someone who was born deaf an excellent sense of hearing. approach to health care Welcome to the unit Pre-reading While-reading Post-reading Watch the video to know more about genome editing. Q: What is the way of genome editing mentioned in the video? Welcome to the unit Pre-reading While-reading Post-reading Welcome to the unit Pre-reading While-reading Post-reading Conclude key words. Paragragh 2: the __________ of ___________ Paragraph 3: the __________ of _____________________ role genes role genome editing positive side Paragragh 4: As the technology..., however, questions arise... negative side Para 4 What is the structure of paragraph 4? Questions Solutions Welcome to the unit Pre-reading While-reading Post-reading wrestle with such moral issues 全力解决 19 Should we restrict our use of this technology to the treatment and prevention of disease ? What questions arise about genome editing? Reading for information (para 4) What is a “designer baby”? A “designer baby” is a baby whose characteristics have been specifically selected before it is born. Welcome to the unit Pre-reading While-reading Post-reading Is the idea of designer babies a good thing? Should we prohibit geneticists from using it to enhance healthy bodies? Why does the author raise these questions? (1)It works as a way to interact with the audience and arouse people’s reflection on these issues. (2)To show the lecturer’s opinion on the questions in a more lively way, making the opinion persuasive and the language vivid. Q: What problems might be brought with the application of “designer babies? Watch the video and discuss in pairs. Unethical(不道德的) practices: Creating designer babies is unethical. Imperfect technology: The technology used is not 100% safe yet. Harm to embryos (胚胎) and mothers: The process could harm the embryo and the mother. Affordability: Only wealthy people can afford the procedure. It widens the social gap. Gene pool impact: The gene pool may be affected. Welcome to the unit Pre-reading While-reading Post-reading Welcome to the unit Pre-reading While-reading Post-reading A car out of control. What does the lecturer compare uncontrolled genome editing to? What is the author's suggestion for genome editing? Figure out how to keep the technology from running wild. Put appropriate controls in place to make sure it will work to our advantages. What is the lecturer’s attitude towards genome editing? Reading for details (para 5) one of the greatest invention in the history of science A critical attitude Welcome to the unit Pre-reading While-reading Post-reading much more to be explored and debated 23 Watch the video and discuss in pairs for further thinking. Q: What should we do with genome editing ? Welcome to the unit Pre-reading While-reading Post-reading regulate it avoid negative usage unlock its potential strictly control the genome editing equipment make laws and regulations enforce appropriate usage of genome editing ... Every coins has two sides. Technology is a double-edged sword.(双刃剑) A new technology or achevement has both good and bad aspects. Summary We should treat them correctly and make use of scientific and technological progress for the benefit of mankind. Welcome to the unit Pre-reading While-reading Post-reading 1. Finish B1 on P33. 2. Surf the Internet and learn more about genome editing. Homework Welcome to the unit Pre-reading While-reading Post-reading 26 Read carefully and answer questions Para 1 1. Which scientific development does the lecturer want to talk about? 2. What does this scientific advance refer to？ 3.From the lecturer’s perspective, the possibilities that genome editing can bring are ____________. exciting 27 Read carefully and answer the question. Para 3 What do the underlined sentences try to convey? echo high-frequency words 28 Read carefully and answer questions Para 4 concerned 1. Who put forward these questions? 2. What attitude is shown behind questions raised? 29 B1 on P 33 Without doubt identify cell wrestling with pace affect means fundamental Unit 3 See you next time！ Lavf58.51.100 EV录屏5.2.1软件录制 Lavf58.33.100 本视频由湖南一唯信息科技开发的EV录屏软件录制, www.ieway.cn $