幽门螺杆菌是一种致病菌,与此菌关系最密切的疾病是()
A.胃息肉
B.胃癌
C.Zollinger-Ellison综合征
D.胃反流性食管炎
E.胃平滑肌瘤
参考答案:B
By the time the police came, the aliens _____ for a few minutes. [ ]
A. have already left
B. had left
C. had been away
清代何书中记载了肘关节脱位的拔伸屈肘整复法()
A.蔺道人
B.钱秀昌
C.《伤科补要》
D.《医宗金鉴》
E.《伤科大成》