【单选题】A: What did the doctor do?B: Well, first she really helped me to understand the __________ of Yin and Yang. I just always thought that was something you get a tattoo (纹身) of when you're in college.
【简答题】The doctor helped me __________ my wound with alcohol. (alcohol, symptom, cleanse, remedy, pharmacy, dizzy, cough, thermometer, vitamins, painkillers)