海船船员考试
单选题How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster? （）A 6 monthsB 1 yearC 2 yearsD 3 years
题目
6 months
1 year
2 years
3 years
参考答案和解析
相似问题和答案
第1题：
第2题：
How long must the GMDSS radio log be retained on board ________．
A.At least two years after the last entry
B.At least one year after the last entry
C.At least 90 days after the last entry
D.At least 30 days after the last entry
第3题：
听力原文：M: So, Jane, how long have you been an author?
W: Well, Tom, I didn't start writing until I was in my thirtieth, and I'm over seventy now. So goodness, I must have been writing for about forty years.
How long has the woman been an author?
A．About 30 years.
B．About 40 years.
C．About 60 years.
D．About 70 years.
解析：数字计算题。文中出现3个数字，30岁开始写作，现在70岁，所以共写了40年。
第4题：
Which statement is TRUE ________．
A.GMDSS radio logs are required to contain entries pertaining to all incidents connected to radio communication service which appear to be of importance to the safety of life at sea
B.All distress communications must be entered in the GMDSS radio log．
C.Both of the above
D.None of the above
第5题：
Which statement concerning GMDSS Radio Operator requirements is FALSE ________．
A.Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea
B.Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as well
C.Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communications
D.While at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer
第6题：
Proper GMDSS watchkeeping includes ______.
A.understanding the GMDSS console’s normal operational indicators
B.maintaining a proper GMDSS radio station log
C.responding to and comprehending alarms
D.All of the above
适当的GMDSS值班包括在适当模式下监听所有的频率、读取所有的显示数据和打印出安静后的警报、通知船长任何遇险警报。
第7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8题：
A、how long you live here
B、how long have you lived here
C、how long you have lived here
D、how long did you live here
第9题：
Which statement concerning reserve sources of energy for GMDSS is FALSE ________．
A.While the ship is at sea，there must be available at all times a supply of electrical energy sufficient to operate the radio installations and to charge any batteries used as part of a reserve source of energy
B.Both the VHF and MF/HF installations must be simultaneously supplied
C.A means of ensuring a continuous supply of electrical power must be provided to all GMDSS equipment that could be affected by an interruption in power
D.If a UPS or equivalent is used to supply power to the ship's GPS receiver or other source of positional information，a means must be provided to ensure the continuous supply of the information in the event of a failure to the ship's main or emergency source of power
第10题：
Which statement is TRUE ________．
A.Key letters or abbreviations may not be used in GMDSS radio logbooks under any circumstance
B.Urgent communications do not need to be entered in the GMDSS radio log
C.Both of the above
D.None of the above