在天然产物研究中,得到的第一个碱性成分是()
A.东莨菪碱
B.可待因
C.咖啡因
D.吗啡
E.金鸡纳碱
参考答案:D
Once a decision has been made, all of us should it .
A.direct to
B.stick to
C.lead to
D.refer to
王某,初秋患痢,症见下痢,赤多白少,高热,腹痛较甚,里急后重,口渴饮冷,舌红苔黄,脉滑数。治疗方剂最宜()
A.连理汤
B.白头翁汤
C.胃苓汤
D.葛根黄芩黄连汤
E.芍药汤