当光缆无条件直接到达用户家庭时,在安装环境许可的情况下,ONU可以安装在楼层的()或其他合适的位置。
A、弱电竖井
B、露天室外
C、厕所
D、以上都不对
参考答案:A
患者,女,54岁,胆石症,硬膜外阻滞下行胆囊切除、总胆管引流术。术前心电图无异常。术中辅助氟哌利多5mg,芬太尼0.1mg,探查总胆管时,脉搏76次/分降至45次/分,血压106/63mmHg降至80/52mmHg,心电图示室性期前收缩。最可能的原因是()。
A.迷走神经反射
B.氟哌利多抑制心肌
C.阻滞平面过高
D.低血容量
E.电解质紊乱
The Certificate of Inspection of a damaged tank barge has expired. What certificate authorizes the barge to move to a repair facility for repair and inspection?()
A.Application for Inspection
B.Change of Employment
C.Permit to Proceed
D.Temporary Certificate of Inspection