天王补心丹中配伍桔梗的作用是
A．载药上行B．宁心安神C．健脾助运D．宣肺利气
参考答案：A
---Why is she out of ____breath?
---Some boys made ____ fun of her. She was so angry that she ran after them.
A．/, /
B．a, a
C．the, a
D．a, /
A．mgtgθ
B．mgsinθ
C．μmg
D．μmg
mgtgθ
mgsinθ