单项选择题
General requirements for a vessel’s radiotelephone station log are that（）.
A.logs must be kept in an orderly manner
B.erasures are not allowed
C.it must identify the vessel's name and official number
D.All of the above
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A.the Sailing Directions and the Coast Pilot
B.a weather fax
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D.the Light List -
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Fusible-link fire dampers are operated by（）.
A.a break-glass and pull-cable system
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A.at an airport
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