Dear students: Hello everyone! In order to better understand everyone's physical condition and better manage the class, the following survey is made for everyone. Please answer the following questions truthfully according to your actual situation. Thank you for your cooperation.
1. Did you feel unwell or have any symptoms in the past week, such as fever, cough, fatigue and difficulty breathing?
2. Do you have any chronic diseases or long-term medication?
3. Have your family members or close contacts had any symptoms such as fever and cough recently?
4. Do you feel that your immunity is weak and you are susceptible to viruses?
Please answer the above questions carefully. We will put everyone's health and safety first, and formulate corresponding class management measures according to everyone's situation. Thank you for your cooperation! I wish you all good health!