属清胃散的组成药物是()
A.生地黄、黄连
B.熟地黄、知母
C.桃仁、薏苡仁
D.秦皮、黄柏
E.黄芩、白芍
参考答案:A
The food ran out early, but __________ the party was a success according to the guests present that evening.
A.therefore
B.meanwhile
C.otherwise
D.however
分光光度计接通电源后,指示灯和光光灯都不亮,电流表无偏转的原因有()。
A、电源开头接触不良或已坏;
B、电流表坏;
C、保险丝断;
D、电源变压器初级线圈已断