散剂的质量检查包括( )
A．微生物限度检查
B．水分
C．均匀度
D．非单剂量散剂的重量差异
E．装量差异
参考答案：A,B,C,D
回归偏差
—I felt very __________ when I was having classes this morning.
—Did you stay up very late last night?
A．relaxed
B．sleepy
C．nervous
D．sick
