重度主动脉瓣返流时心尖部可存在
A.Graham-Steell杂音
B.Austin-Flint杂音
C.Durozier征
D.Traube征
E.DeMusset征
参考答案:B
后天性上睑下垂,伴有Homer综合征,可能的病因为
A.重症肌无力
B.外展神经麻痹
C.交感神经损害
D.提上睑肌损伤
E.动眼神经麻痹
48. When the _____ young actor appeared on the stage, all eyes were fixed upon him.
A.beautiful
B.handsome
C.pretty
D.happy