单项选择题

Which step should normally be taken FIRST by those who have boarded a liferaft in an emergency?（）

A.Ration food and water supplies
B.Take anti-seasickness pills，if available
C.Determine position and closest point of land
D.Check pyrotechnic supplies

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单项选择题

Which statement pertaining to log keeping is TRUE?（）

A.Entries relating to pre-voyage，pre-departure and daily tests are required
B.Both A and C
C.All distress，urgent and safety communications must be logged
D.Routine daily MF-HF and INMARSAT-C transmissions do not have to be logged

单项选择题

Which statement concerning the navigation of a vessel in ice is FALSE?（）

A.Anchoring in the presence of ice is not recommended except in an emergency
B.Towing a vessel through an ice field is not recommended except in an emergency
C.The "Free and Proceed" system of escorting a beset vessel cuts down on the number of freeing operations
D.When anchoring in ice，it is advisable to increase the scope of the chain over what is normally used for non-icing conditions

单项选择题

Which statement concerning Montauk Point Light is TRUE?（）

A.The light comes on at sunset
B.There is an emergency light if the main light is extinguished
C.The height of the light is 24 feet
D.The tower is painted with black and white stripes