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1题：
When loading bulk liquid cargo，what is the first action you should take if a cargo valve jammed open?
A.Call the owner，operator，or terminal supervisor
B.Unplug the deck scuppers
C.Order the dock man to shut down
D.Run out the vessel's or terminal's fire hose
第2题：
What are the vessel equipment and personnel requirements for GMDSS ________．
A.Two licensed GMDSS radio operators
B.Equipment carriage requirements
C.Distress alerting and response
D.All of the above
第3题：
What is the minimum requirement of a GMDSS operator?
A.GMDSS operator license
B.Third officer license
C.General Radiotelephone Operator license and Radar Endorsement
D.General Radiotelephone license or First or Second Class Radiotelegraph license with GMDSS Radio Officer’s endorsement
第4题：
Which maintenance functions can a GMDSS Radio Operator perform ________．
A.The Operator can make fine internal adjustments to the transmitter as long as the output power does not change by more than one percent
B.The Operator is responsible for ensuring that INMARSAT antennas are free of built-up soot and clear of obstacles
C.All levels of maintenance must be performed by a licensed GMDSS Radio Maintainer
D.The Operator may install an EPROM in order to ensure that the equipment continues to operate within legal constraints
第5题：
What publications should a GMDSS Operator consult regarding the proper set-up and operation of vessel equipment ________．
A.ITU Publications
B.The manufacturers instruction manuals
C.Part 90 of the FCC Rules and Regulations
D.Code of Federal Regulations，Title 47，Part 80，Subpart W
第6题：
Where should the GMDSS radio log be kept on board ship?______
A.In the Captain’s office
B.In the sea cabin
C.At the GMDSS operating position
D.Anywhere on board the vessel
第7题：
What is the most appropriate action for a GMDSS radio operator to take in a distress situation where immediate help is needed，but the vessel is not sinking nor needs to be abandoned ________．
A.Switch off EPIRB and SART manually
B.Transmit distress call by MF/HF，VHF or INMARSAT
C.Notify the RCC（Rescue Coordination Center）through VHF FM on channel 13
D.Transmit distress call by activating the radiotelegraph automatic alarm signal
第8题：
According to the passage, when you get a wrong number in making a long-distance call, you should______.
A. check your number and call again
B. tell the operator what has happened
C. Ask the operator to put you through
D. Ask the operator what has happened
39．答案为B 第二段...call the operator and explain what happened可知拨错号码后可向接线员解释，以免收费。
第9题：
When the GMDSS Radio Operator on watch hears“SECURITE”spoken three times he can expect to receive a message concerning ______．
A.The safety of navigation or important meteorological warnings
B.The safety of a vessel or a person is in jeopardy
C.A vessel in need of immediate assistance
D.A coast station traffic list
第10题：
Which message categories cannot be disabled by the GMDSS radio operator ________．
A.Navigational Warnings
B.Meteorological Warnings
C.Search and Rescue Information
D.All of the above