Larry asks Bill and Peter to go on a picnic with him, but          of them wants to,because they have

work to do. [ ]

A. either          

B. any            

C. neither        

D none

下列关于氨茶碱的应用描述不正确的是( )。

A．是中效支气管舒张剂
B．常用给药途径为肌肉注射
C．静脉注射应使用葡萄糖稀释后慢推
D．速度过快可引起心律失常、头晕、血压下降
E．浓度过高可引起心脏骤停