尿毒症时可出现电解质紊乱表现为()
A．高钙
B．高磷
C．低钙
D．高钠
E．高钾
参考答案：B, C, E
The newly-published book is written _________ for children, which is also popular with most parents.
A．specifically
B．willingly
C．equally
D．occasionally
液气分离器、点火装置等属于（）。
A、专用设备及工具
B、分离及燃排装置
C、井控管汇
D、井控仪表
