【单选题】工程经建设单位组织验收合格后投入使用, 2 年后外墙出现裂缝,经查是由于设计缺陷造成的,则下列说法正确的是 ( ) 。
【多选题】双纤双向复用段保护环的触发条件有哪些告警?()
【判断题】Cathy asks if Nelly is alone because she wants to talk to Nelly in private about a secret (Edgar’s proposal of marriage).
【单选题】工程建设单位组织验收合格后投入使用,2年后外墙出现裂缝,经查是由于设计缺陷造成的,则下列说法正确的是( )。
【简答题】双纤双向复用段保护环的触发条件 ( ____________ ) 、 R-LOF 、 MS-AIS 、 MS-EXC 。
【单选题】听力原文:W: Robbie booked a table for eight.I think Robbie should have invited Cathy to the dinner party,don't you? M: He is the holder of the party.If Robbie had wanted to invite her.he would have. Q: Wh...
A.
He wanted Cathy to come, but he couldn't.
B.
He invited Cathy to the party.
C.
He didn't invite Cathy to the party.
D.
He couldn't invite Cathy because he was not the holder.
【判断题】Cathy wants Nelly to say whether she should have accepted or refused Heathcliff’s proposal.
【简答题】双纤双向复用段保护环的触发条件R-LOS、R-LOF、MS-AIS、MS-EXC告警。同步网中节点时钟的三种工作模式是()、保持模式和自由运行模式。
【单选题】工程经建设单位组织验收合格后投入使用,2年后外墙出现裂缝,经查是由于设 计缺陷造成的,则下列说法正确的是()。
【简答题】What were the two choices left for Nelly after Cathy's marriage?