未累及患者的用药差错属于（）
A．A级差错
B．B级差错
C．C级差错
D．D级差错
E．Ⅰ级差错
参考答案：B
低钾血症及低钙血症纠正后，神经、肌肉及中枢神经系统功能亢进症状仍无好转，应考虑是：（）
A.低钾血症
B.低钙血症
C.低镁血症
D.低钠血症
E.低磷血症
It is his dishonesty _________ leads to his failure in his struggling for the job.
A．what
B．which
C．who
D．that
