单项选择题
At sea，you are approaching a small vessel and see that it has the signal flag P hoisted. What should you do?（）.
A.Proceed on present course and speed since the vessel is stopped and making no way through the water
B.Keep clear of the vessel because it has a diver down
C.Attempt to call the vessel on VHF radiotelephone because someone on board requires medical assistance
D.Approach with caution because the vessel is a fishing vessel and its nets are fouled on an obstruction
相关考题
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单项选择题
As defined in the Rules，a towing light is a yellow light having the same characteristics as a(n)（）.
A.masthead light
B.all-round light
C.sidelight
D.sternlight -
单项选择题
Approaching an anchorage in fog，you hear one short，one prolonged，and one short blast in that sequence on a ship’s whistle． This indicates（）.
A.A vessel towed
B.A vessel not under command and unable to maneuver
C.A vessel anchored giving warning of her position
D.A vessel stopped dead in the water -
单项选择题
An occulting light is one in which（）.
A.the period of darkness exceeds the period of light
B.there is only a partial eclipse of the light
C.the periods of light and darkness are equal
D.the period of light exceeds the period of darkness
