【单选题】
A call between any two ship stations on an intership working frequency shall have a maximum duration of（）.
A、2 minutes
B、3 minutes
C、4 minutes
D、5 minutes
查看正确答案A、in B、over C、among D、between
搜题
更多“A call between any two ship stations on an intership working frequency shall have a maximum duration of（）.”相关的问题
第2题
A、Incoming Call Reply, Incoming Call Request, Incoming Call Connected B、Incoming Call Reply, Incoming Call Connected, Incoming Call Request C、Incoming Call Request, Incoming Call Reply, Incoming Call Connected D、Incoming Call Request, Incoming Call Connected, Incoming Call Reply
第4题
A、He hasn’t any tickets for the football match. B、He hasn’t got any tickets for the football match. C、He doesn’t has any tickets for the football match.
第5题
A、A.He hasn’t any tickets for the football match. B、B.He hasn’t got any tickets for the football match. C、C.He doesn’t has any tickets for the football match.
第6题
A、A.Vessel with a case or suspected case of infectious disease on board B、B.Vessel with a dead body on board C、C.Vessel which has visited plague-infected ports during the current voyage D、D.Cargo vessel which hasn't called at any plague infected ports during the current voyage and on which there is not any case of infectious disease，or any dead body
