下列药物属于黄龙汤的药物组成的有______。
A．枳实
B．桔梗
C．生姜
D．甘草
参考答案：A,B,C,D
Busy workers like to eat in fast food restaurants, _____ as the name suggests, eating doesn't take much time. [ ]
A. which
B. where
C. who
D. what
出灰部分有哪些系统？它们发生故障时会对机组运行产生什么影响？
