急性肾衰竭少尿期最危险的电解质紊乱是（）
A.高血磷
B.低血钠
C.高血钾
D.高血钙
E.低血镁
参考答案：C
___ the website of the Fire Department in your city, and you will learn a lot about firefighting.
A．Having searched
B．To search
C．Searching
D．Search
简述卫生行政执法的特征。
