审计通知书的送达时间是()。
A.实施审计三日前
B.实施审计四日前
C.实施审计五日前
D.实施审计六日前
参考答案:A
Raffle tickets numbered consecutively from 101 through 350 are placed in a box. What is the probability that a ticket selected at random will have a number with a hundreds digit of 2 ?()
A.A
B.B
C.C
D.D
E.E
正常人血清中钙和磷相互的浓度关系是(以mg/dl)()
A.[Ca]×[P]=40~65
B.[Ca]×[P]=35~40
C.[Ca]×[P]=25~30
D.二者不相关
E.[Ca]↑时[P]↑