A.發(fā)作性頭暈 B.耳聾 C.耳鳴 D.耳脹滿感 E.眩暈
A.35% B.45% C.55% D.65% E.85%
A.突發(fā)性耳聾 B.耳硬化 C.藥物性聾 D.膜迷路積水 E.聽神經(jīng)瘤