呼吸性酸中毒合并代谢性碱中毒的血气改变有()
A.pH下降
B.HCO3-减少
C.血钾降低
D.血氯降低
E.二氧化碳分压下降
参考答案:C, D
The country will no longer be plagued by turmoil .
A.constant change
B.bad weather
C.utter confusion
D.fuel shortages
CIDR路由如下:192.168.129.0/24、192.168.130.0/24、192.168.132.0/24和192.168.130.0/24,采取路由汇聚方式,下面地址中能够访问到这四个网络的路由地址是______。
A.192.168.128.0/21 B.192.168.128.0/22C.192.168.130.0/22 D.192.168.132.0/23