relevant to
relate to
in response to
in relation to
第1题：
Which frequencies and modes are allocated for distress alerting in GMDSS ________．
A.406 MHz via EPIRB
B.1626.5-1645.5 via INMARSAT
C.Channel 70 DSC plus six（6）MF/HF DSC frequencies
D.All of the above
第2题：
如果用DSC设备转发遇险报警信息，在DSC上选择（）
第3题：
A、Distress/distress
B、allship/Distress
C、Distress/ALL ship
D、All ship/All ship
第4题：
Ship stations
Coast stations
NCSs
NCC
第5题：
No action is necessary，as the DSC control unit will automatically switch to the NBDP follow-on communications frequency
The operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was received
The Operator should immediately set continuous watch on VHF channel 70
The Operator should immediately set continuous watch on the NBDP frequency that is associated with the frequency band on which the distress alert was received
第6题：
在DSC报警确认信息中的格式符是（）。
第7题：
如果用DSC设备收妥确认遇险报警信息，在DSC上应选（）
第8题：
Acknowledgement by you of receipt of a distress message from a vessel which，beyond any possible doubt，is not in your vicinity and is a long distance away must be made when ______．
A.vessels nearer the distress vessel acknowledge receipt
B.vessels nearer the distress vessel fail to acknowledge receipt
C.even you have not received the distress
D.even the vessel in distress expressly prohibit you from providing any salvage service
第9题：
double frequencies
single frequency
dedicated frequency
multiple frequencies
第10题：
the ship has received the DSC distress call on a HF frequency
the coast station concerned has not acknowledged it within 5 minutes
the ship will take command of search and rescue in 5 minutes
A and B