泻南补北法的理论基础是() ["五行相生","五行相克","五行制化","五行相乘","五行相侮"]
．全鼻再造术的额部皮瓣，其鼻翼部分的最大横径为() ["A．4～5cm","B．5～6cm","C．6～7cm","D．7.5～8.5cm","E．9cm"]
鼻面角(前额至切牙的垂直线与前额至鼻背线间夹角)，国人以多少度较为理想() ["A．15°～20°","B．25°～30°","C．30°～35°","D．35°～45°","E．40°～50°"]
简述杯状耳的临床特点。
杯状耳
简述隐耳的临床特点。
