下列哪项不引起血清PRL升高（）
A.肾衰竭
B.下丘脑疾病
C.原发性甲状腺功能减退症
D.应激、睡眠、吮吸
E.原发性醛固酮增多症
参考答案：E
一列简谐横波沿x轴正向传播，传到M点时波形如图所示，再经0.6 s，N点开始振动，则该波的振幅A和频率f为
A．A＝1 m，f＝5 Hz
B．A＝0.5 m，f＝5 Hz
C．A＝1 m，f＝2.5 Hz
D．A＝0.5 m，f＝2.5 Hz
I asked my lawyer say in court. [ ]
A. what I should
B. what should I
C. how I should
D. how should I
