妊娠病中,安胎之法主要是()
A.益气养血
B.滋补肝肾、调理气血
C.补肾健脾、调理气血
D.疏肝解郁、调理气血
E.健脾升阳
参考答案:C
The girl arranged to have piano lessons at the training center with her sister ________ she would stay for an hour.
A.where
B.who
C.which
D.what
在筛查试验中,试验的特异度愈高,则
A.阳性预测值愈高
B.阳性预测值愈低
C.阴性预测值愈高
D.阴性预测值愈低
E.约登指数愈低