When considering how to settle the problem, the most important factor－weather, he had         .[ ]

A. left out    

B. left behind

C. left off    

D. left over

不符合静脉补钾原则的是( )。

A．尿量必须＞30ml/h

B．输液中氯化钾浓度＜0.3%

C．滴速＜60滴/min

D．每日补充钾总量＜6～8g

E．可先静脉推注少量10%氯化钾