产后缺乳的发病机理主要为
A．气虚不运
B．血虚不运
C．化源不足
D．肝郁气滞
E．瘀滞不行
参考答案：C,E
肾虚腰痛，日久不愈，无明显阴阳偏虚者，应服用
A．右归丸B．左归丸C．青娥丸D．大补阴丸E．七味都气丸
There is much chance _____ Bill will recover from his injury in time for the race.[ ]
A. which
B. that
C. until
D. if
