把疫情英语融入线上课程 Lead in 1. Introduction: Coronaviruses are a large family of viruses that are common in people and many different species of animals. 2. Discussion: some symptoms of the infected people ➢ Such as fever, coughing, sneezing and shortness of breath. ➢ Severe cases can lead to pneumonia and even death. 3. Activity: How can we protect ourselves? There is currently no vaccine to prevent coronavirus disease 2019 (COVID-19). The best way to prevent illness is to avoid being exposed to this virus. However, as a reminder, government or medical organizations always recommend everyday preventive actions to help prevent the spread of respiratory diseases, including: • • • • • Avoid close contact with people (who are sick.) 解释定语从句 Avoid touching your eyes, nose, and mouth. 解释avoid用法 Stay at home and don’t go to crowded places. 强调祈使句 Wear a face mask when you have to go outside. 解释时间状语从句 Clean and disinfect frequently touched objects and surfaces. 解释非谓语touched做前置定语 • Wash your hands often with soap and water for at least 20 seconds, especially after going to the bathroom; before eating; and after blowing your nose, coughing, or sneezing. 强调介词用法 本文来源：https://www.wddqw.com/doc/e0bd9cfc3868011ca300a6c30c2259010302f30a.html