可用微量升华法进行理化鉴别的药材有
A．大黄
B．延胡索
C．桔梗
D．胡黄连
E．川贝母
参考答案：A,D
—________ have you been here?
—About two years. [ ]
A. How much
B. How many
C. How long
D. How far
加味银翘片的功能主治是
A．清热，解表，止咳B．辛温解表，疏散风寒C．辛凉透表，清热解毒D．疏风清热，利咽解毒E．清热解毒
