Unit 9 Human Biology Lesson 1 To clone or not to clone? 课件-2023-2024学年高中英语北师大版（2019）选择性必修第三册

Unit 9 Human Biology Lesson 1 To clone or not to clone? 教材分析 本单元第一课是一篇介绍克隆的文章。从人工克隆羊多莉到克隆猴“中中”和“华华”说起,陈述人工克隆技术的潜在意义和所遭受的舆论质疑。最后得出结论不能因工具被人误用就否认工具本身的价值。 教学目标 在本课学习结束时,学生能够: 1. 获取文章主旨大意; 2. 理解人工克隆技术潜在的意义和所遭受的质疑; 3. 反思人类使用工具的方法,拒绝滥用工具。 教学重难点 【教学重点】 1. 获取文章主旨大意; 2. 理解人工克隆技术潜在的意义和所遭受的质疑。 【教学难点】 反思人类使用工具的方法,拒绝滥用工具。 Step 1 Lead-inWhat do you know about cloning? What additional information would you like to know? Use the words and phrases to help you.设计意图:创设情境,引入主题,激活学生已有语言和知识,为阅读做好准备。Step 2 Reading1. Read through the article. Draw a structural map to show how the paragraphs are organised.2. Read paragraphs 1-4 and make detailed notes about cloning that better illustrate the information. Then share your notes in a small group.3. Read the first four paragraphs again. Ask and answer the questions in pairs based on your notes.4. Read paragraphs 5-6 and complete the notes.5. Read the last paragraph. What does Einstein’s quote mean?6. Talk about cloning using the information in the article.7. Think and share.(1) Why do researchers insist that the science of cloning should be further explored and advanced?(2) What is the writer’s attitude towards cloning? Find evidence.8. Read the first sentence of each paragraph. Are there any signal words, such as linking words or time expressions that help to make the article coherent?设计意图:先阅读文本,获取梳理文本基本信息。之后引导学生深化理解文章细节,解析语篇用词,理解作者深意。Step 3 PracticeComplete the summary using the information in the article.设计意图:通过完成课文语法填空,巩固对语篇的理解以及单词识记。Step 4 Assignment1. Search online and find more information about the development of cloning. Share the information in class.2. Do you think cloning is a good idea? Use what you have learnt to try to persuade someone to accept your point of view.设计意图:搜寻更多有关克隆的信息,表达对克隆的看法。 Watch the video and answer the following questions. Do you want to be cloned? Why or why not? What do you know about cloning? How does Dolly differ from other sheep? 标题字号固定为黑体 34 加粗 白色,副标题字号固定为黑体 28 黑色,正文字号为黑体 24 黑色。版式仅供参考 4 克隆(Clone)是指生物体通过体