单项选择题
A vessel sounds one short blast. This signal indicates the vessel（）.
A.intends to alter course to starboard
B.intends to pass starboard to starboard
C.is altering course to starboard
D.intends to pass port to port
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相关考题
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单项选择题
A vessel not under command sounds the same fog signal as a vessel（）.
A.towing
B.constrained by her draft
C.under sail
D.All of the above -
单项选择题
A vessel displaying three red lights in a vertical line is（）.
A.not under command
B.aground
C.dredging
D.constrained by her draft -
单项选择题
A vessel constrained by her draft may display（）.
A.three all-round red lights instead of the lights required for a power-driven vessel of her class
B.the same lights as a vessel restricted in her ability to maneuver
C.three all-round red lights in addition to the lights required for a power-driven vessel of her class
D.the lights for a power-driven vessel which is not under command
