阿奇霉素的不良反应主要是()。
A.骨髓抑制、胃肠刺激
B.肝、肾损害
C.肾损害、胃肠刺激
D.肝损害、胃肠刺激
E.骨髓抑制、肝损害
参考答案:D
Only when _________ in the afternoon ________ able to leave.
A.the match was over; they were
B.was the match over; were they
C.was the match over; they were
D.the match was over; were they
关于UPS系统冗余配置,以下说法不正确的是()。
A.N+1串联冗余系统在切换过程备机电流从零立即上升至负荷最大电流,容易对系统运行可靠性产生较大影响
B.N+X并联冗余系统容易存在单机UPS设备负载电流过小,运行效率低的情况
C.2N或M(N+1)模式为配置N台UPS设备,其总容量为系统的基本容量,再配置1台UPS冗余设备
D.2N或M(N+1)模式主要适用于A级机房,系统可用性较高