Unit 21 Lesson 3 课件-2021-2022学年高中英语北师大版选修七

Unit21 Epidemics Explained 解读流行病 Bird Flu Influenza Outbreak (Flu Outbreak) SARS 非典型肺炎 COVID-19 新型冠状病毒 When it comes to the epidemic disease, I believe we are all familiar with it. And we just had a fight against COVID-19, and it left a deep impression on all of us. Therefore, what did you get went through this epidemic? Self-learning: A Small Talk At the end of the lesson, you are expected to be able to: 1. Necessary Knowledge (必备知识) Summarize some important words and useful expressions from sentences. 2. Key Ability(关键能力) Learn how to use the strategies of sequencing to put the text back together. 3. Discipline Quality(学科素养) Voice your feelings about epidemics. 4. Core Value(核心价值) Pay attention to COVID-19 spread and treasure our lives. Fast-Reading 1.Can you guess how the passage develops according to the title? In order of time In order of space In order of logic(逻辑) In order of place Have a fast reading again 2. Read the text again and arrange the options in the order of time. A. One of the earliest epidemics happened when the Roman emperor was attempting to rebuild the Roman Empire,which swept through North Africa,the Middle East and Europe. B. Since the SARS epidemic ended,scientists united to stop SARS spreading. C. The Spanish Flu killed up to 50 million people in l8 months, which is forgotten when SARS became a cause of concern. D. SARS caused 8000 diseased and 774 killed, which was still very alarming for a few key reasons. E.The reasons of“The Black Death”in the 1330's in Asia. Answer: AECDB Self-Learning: Look through the article, to grasp the main ideas of the paragraphs,and the paragraph division is ready for you. para.1 para.2 paras.3-12 para.13 A.Measures: Teamwork &faith B.An analysis of the problem C.Bird Flu and Spanish Flu D.How to foresee and prevent it C B D A A list of questions: 1.Is there any relationship beteween Bird Flu and Spanish Flu? (Para.1) 2.Why is it important to look at the spread of diseases throughout the history? ( para.2) 3.