悬挂保护间隙前,应与()联系停用重合闸。
A.调度;
B.运行人员;
C.工作负责人;
D.专责监护人
参考答案:A
The new kind of car is _____ dear, I don’t have _____ money.
A.too much; much too
B.much too; too much
C.too much; too much
D.much too; much too
长期高血压伴顽固性低血钾首先应考虑的疾病是()
A.皮质醇增多症
B.继发于慢性肾炎的高血压
C.原发性醛固酮增多症
D.肾动脉狭窄
E.嗜铬细胞瘤