《英语》（选择性必修·第二册） Unit 3 Fit for life Welcome to the unit & Reading (I) I. Learning objectives By the end of the lesson, students will be able to: read the lecture transcript about genome editing carefully； know the main idea of each paragraph and understand how the passage is organized in the lecture; improve the students’ critical thinking ability by answering the given questions. II. Key competence focus Improve the students’ ability of reading comprehension; Train the students’ ability of critical thinking by reading and analyzing . III. Predicted area of difficulty Get the students to know how the lecture transcript is organized; Improve the students language and leaning ability . IV. Teaching procedures Step 1 warming up: stimulating the students reading interest T show four pictures or watch a short video to the class. T leads Ss to look at the pictures and asks the following three questions: What jobs are described in the pictures (A surgeon is performing an operation; A physician is trained in general medicine; A chemist prepares and sells medicine in a shop; A dentist specializes in the care of people’s teeth ) Would you like to be a medical professor Why or Why not Can you describe an experience with a medical professor What was it like What advances in medical science have you heard about？ Get Ss to read some sentence about medicine and health to make them happy to the next step For example: 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. An apple a day makes a doctor away. When the sun comes in, the doctor goes out. 【设计意图：课前播放有关看病或诊疗的视频来营造气氛，为本课堂主题的阅读做好铺垫。老师与学生随意的聊天切入课堂，让同学很快地进入情景，通过和学生的问答，预热有关文本阅读的生词，再自然导入阅读环节。】 Step 2 Reading for main idea T asks Ss to predict the lecture transcript What does the passage tell us What do you know about genes T asks Ss to read the passage The future in our genes carefully, then complete the tables below. 【设计意图：略读得大意，寻读找细节的阅读技巧。提取文本中的主要信息，梳理细慨括、整理文本内容。训练学生快速获取信息的能力。】 Step 3 Reading for specific information T asks Ss to read the lecture transcript again carefully and answer the following questions what information does our personal genome carry (It carries all the information needed to make us grow and develop, it also contains information that helps determine our lifespan and affects our chances of contracting certain diseases ) How can geneticists make changes to our genome (By correcting, adding, deleting or replacing specific parts of genetic material) How might genome editing make it possible to prevent diseases from developing (By correcting abnormal genes early on) what is a “designer baby” (A “designer baby”is a baby whose characteristics have been specifically selected before it is born.) 5)what does the lecturer com ... ...
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