根据药物作用发生机理和剂量不同可分为（）、治疗量、最小中毒量和致死量。
参考答案：最小有效量
The White Deer Plain directed by Wang Quan’an is one of_______most moving films and I really want to see it for ______second time.
A．a; a
B．the; a
C．the; the
D．a; the
寒淫证候患者可出现（）
A.恶寒无汗
B.手足拘急
C.脘腹冷痛
D.胸闷苔滑
E.身体强直
