治疗热痰郁结，瘰疬痰核，应选用（）
A．石膏
B．知母
C．栀子
D．天花粉
E．夏枯草
参考答案：E
After talking with his father for about half an hour, he felt better and began to know how to ____ this kind of situation.
A．strengthen
B．explore
C．handle
D．arrange
芳烃抽提对原料一般要做哪几项分析？
