消化性溃疡所引起的疼痛，以何者最具特征性（）
A.中上腹疼痛
B.饥饿性疼痛
C.反复发作性疼痛
D.节律性疼痛
E.长期疼痛
参考答案：D
The person who is _______ of the factory _______ ill since last week.
A．in charge; has been
B．in the charge; has fallen
C．taking charge; was
D．in charge; fell
心悸不安，精神涣散，多由下列何种因素引起（）
A.喜伤心
B.怒伤肝
C.思伤脾
D.悲伤肺
E.恐伤肾
