题目

The outbreak of the COVID-19 is unfortunate. If you were in Wuhan or have been in contact with people who were there in the last 14 days and now you feel sick with fever, cough, or difficulty breathing. don't panic.【1】Seek medical advice—Call ahead before you go to a doctor's office or emergency rom. Tell them about your recent travel and your symptoms. Follow their professional instructions.【2】 The virus is said to spread prson-4o-person, s0 it is advisable for you to stay indoors and carry out a 14-day quarantine.Do not travel while sick. You may easily spread the disease, or if th在下列几组物态变化的过程中，全部是吸热的是A. 熔化、液化、汽化B. 液化、汽化、升华C. 熔化、汽化、升华D. 凝固、液化、凝华