UNIT 9 Section Ⅳ LESSON 3-【金版新学案】2023-2024学年新教材高二英语选择性必修3同步课堂高效讲义配套课件（北师大版）

Section Ⅳ　LESSON 3 　 UNIT 9　HUMAN BIOLOGY 夯 实 双 基 语 篇 理 解 语 篇 全 解 互 动 探 究 课 时 精 练 内 容 索 引 语　篇　理　解 索引 Step One: Pre-reading What epidemics do you know about? ________________________________________________________________________________________________________________________________________________________________________________________________ COVID-19 is a new strain of coronavirus that has not been previously identified in humans. The COVID-19 is the cause of an outbreak of respiratory illness first detected in Wuhan, Hubei Province, China. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Severe Acute Respiratory Syndrome (SARS) is a viral respiratory illness that was recognized as a global threat in March 2003, after first appearing in Southern China in November 2002. Ebola Virus Disease (EVD) is a deadly disease with occasional outbreaks that occur mostly on the African continent. EVD most commonly affects people and non-human primates. It is caused by an infection with a group of viruses within the genus Ebola virus. Step Two: While-reading Ⅰ.Read for the main idea What does the text mainly talk about? The text mainly talks about __________________________． explanation of epidemic Ⅱ.Read for general ideas Read the passage and answer the following questions. 1．What is an epidemic? ________________________________________________________________________________________________________________________________________________________________________________________________ 2．How can a disease be classified as an epidemic? ____________________________________________