基于操作站安全性的等级由高至低依次为：（）（管理员）（）（工程师）SUPV（班长）OPER（操作工）
参考答案：MNGR；ENGR
--Would you mind my opening the window to let in some fresh air, Jack?
-- No, not at all, Mary, go ahead.
What will Mary do?
A．She won’t open the window.
B．She will open the window.
C．She will go ahead with Jack.
D．She will be angry with Jack.
治疗产后血虚受寒致恶露不下，宜选用
A．温经汤B．生化汤C．四物汤D．固冲汤
