痞满的基本病机是()
A.食滞肠胃,痞塞不通
B.外邪内陷,阻塞气机
C.肝气郁滞,横逆犯脾
D.湿盛脾虚,气机阻滞
E.中焦气机不利,脾胃升降失职
参考答案:E
In English letters, the date is put ______. ( )
A.at the top right corner
B.below the receiver's address
C.at the upper left corner
D.above the signature
心源性哮喘宜选用()
A.肾上腺素
B.去甲肾上腺素
C.异丙肾上腺素
D.哌替啶
E.多巴胺