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问题 多项选择题

梅尼埃病的主要病理改变是（）

A.蜗管扩张膨大

B.球囊扩张膨大

C.膜迷路破裂

D.螺旋器退行性变，血管纹萎缩

E.内淋巴囊之囊壁纤维化

答案

参考答案：A, B, C, D, E

选择题

Thinking of the days, when he was looked down upon as a poor peasant, _______.[ ]

A. his heart was filled with sorrow      

B. tears came down his face

C. he was in great sorrow            

D. we found him wiping his eyes
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单项选择题 B型题

矫治下颌后缩可用（）

A.FR－Ⅰ型

B.FR－Ⅱ型

C.FR－Ⅲ型

D.FR－Ⅳ型

E.口外弓
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