Q1. How to protect ourselves from "Monsters'according to the video? Q2. Who is trying to invent new medicines to kill monsters? Q3. What is the name of the "monster" referred in the video? Q4.What are the symptoms(症状)of being infected by the "monster" Q5: Write down the insturctions of how to wear and take off a face mask write down your answers in the paper(do not type)写上纸上拍照上来,不要复制粘贴 coronavirus.mp4