精、气、血、津液之间相互转化依靠气的（）
A.推动作用
B.温煦作用
C.防御作用
D.固摄作用
E.气化作用
参考答案：E
计算型控件用 【10】 作为数据源。
His efforts to raise money for his program were _______ because no one showed any intention to take a cent out of their pockets.
A．in place
B．in vain
C．in effect
D．in sight
