公安消防机构送达行政案件法律文书,经采取其他送达方式均无法送达的,才可以采用()的方式。
A、直接送达
B、委托送达
C、邮寄送达
D、公告送达
参考答案:D
The weather ___________so bad. I didn't go out. [ ]
A. is
B. are
C. were
D. was
两相短路故障时的电压分布为()
A.远离故障点零序电压大于故障点零序电压
B.远离故障点正序电压大于故障点正序电压
C.远离故障点负序电压大于故障点负序电压
D.远离故障点正序电压小于故障点正序电压