北师大版（2019） 选择性必修第三册 Unit 9 Human Biology Lesson 3 Epidemics Explained 教学设计

Unit 9 Human biology 教案设计 Lesson 3板块教学设计 （建议时长40–45分钟，教师可根据教学实际酌情调整。） 课型 Reading + speaking 主题语境 人与社会———疫情疾病 内容分析 本文是一篇说明文。主要介绍了流行病的概念和相关案例。本文主要由五部分构成，第一部分主要介绍了什么是流行病，第二三部分主要介绍流行病开始和结束的时间，第四部分主要介绍了流行病的相关案例记忆对应的措施，第五部分主要介绍了针对流行病国际社会的应对措施。通过本文的学习，学生可了解流行病的概念和案例，增长对于流行病的了解，并思考应对流行病的解决措施。 教学目标 1. 读懂语篇大意，获取文章的主要信息，梳理文本结构； 2. 识记有关流行病的词汇、短语以及句式表达； 3. 掌握文本行文结构，并概括文本大意； 4. 了解流行病的基本概念和相关案例，意识到要想解决流行病的问题，需要国际社会的共同努力。 教学重点 1. 引导学生读懂文章，获取流行病的基本概念和相关案例； 2. 引导学生把握文本结构，梳理语段内容； 3. 引导学生思考解决流行病的措施有哪些。 教学难点 1. 引导学生根据文本内容对于流行病的介绍，能够复述有关流行病的内容； 2. 引导学生思考解决流行病的应对措施。 教学策略 交际教学法、任务型教学法 Teaching contents Procedures Purposes Teacher’s activity Students’ activity Activity 1 T asks Ss several questions about epidemics. Ss communicate with teachers. Lead to the topic, activate the Ss’ background knowledge. Activity 2 T asks Ss to look at the title and photos to predict the content of the passage. T guides Ss to read the text quickly to check their predictions. T leads Ss to read the passage again and answer the questions. Ss look at the title and the photos and predict the content of the passage. Ss read the passage quickly and check their predictions. 3. Ss read the passage again and answer the questions. Predict the content of the passage through titles and pictures. Activity 3 T asks Ss to read the passage in detail and complete the table about the epidemics mentioned. T guides Ss to read the passage and draw a mind map of the structure of the passage. T let Ss think deeply about the questions on ppt. 1. Ss read the passage in detail and complete the table. Ss read the passage again to mind-map the structure of the passage. Ss read the questions and think deeply about the questions. Understand the information intended to convey to Ss in the text. Activity 4 T asks Ss to work in groups and discuss the questions on ppt. T lets Ss to work in pairs and retell the passage according to the mind map. Ss work in groups and discuss the questions on ppt. Ss work in pairs and retell the contents. Dig the further information and cultivate critical thinking ability. Activity 4 1. T explains the language points to Ss. 2. T helps Ss learn to use the language points in real exercises. Ss learn the language points and try to use them in exercises. Help Ss better understanding the language of the passage and train Ss’ ability to use language in their real life and express the ideas in a logical way. Self- evaluation T asks Ss to check the things they did in this lesson. Ss do the self-evaluation. Let students’ self-evaluation b ... ...