患者最可能的发病因素是
A．酗酒
B．急性胰腺炎
C．慢性胰腺炎
D．上腹部外伤
E．先天性
参考答案：D
气的上升太过所形成的病机是（）
A.气滞
B.气逆
C.气陷
D.气闭
E.气脱
--- I saw you come to school by bus this morning
--- Oh, I ______ come to school by bus, but it is raining today.
A．sometimes
B．usually
C．hardly
D．always
