腹泻病，中度失水，低钾，代谢性酸中毒患儿入院时最主要的处理是：（）

A.纠正水、电解质紊乱，纠正代酸

B.给止泻药

C.给止吐药

D.调整饮食

E.控制感染

Viruses usually have two phases to their execution, the infection phase and the (75) phase. The later phase is optional, since stone viruses simply reproduce.

A．reproduce

B．proliferation

C．defend

D．attack