脏腑气机升降运动中，以哪一组脏腑最为重要（）
A.心肝
B.肺脾
C.脾胃
D.肝肾
E.心肺
参考答案：C
We have been told that under no circumstances ___ the telephone in the office for personal affairs.
A．may we use
B．we may use
C．we could use
D．did we answer
车场 yard
