来源为旋花科植物的药材有
A．菟丝子
B．牵牛子
C．决明子
D．天仙子
E．枸杞子
参考答案：A,B
气血虚弱和肝肾虚损所致痛经的病机和证治有何不同
---I would like to sit in __________ front of the bus.
---Me, too. And we can have ________ better view.
A．/, the
B．/, a
C．the, a
D．the, the
