单项选择题
If you were being assisted by an icebreaker and he sent you the single letter Q，he would be telling you（）.
A.that he has his engines in reverse
B.that he is shortening the distance between vessels
C.to shorten the distance between vessels
D.that his vessel is healthy
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相关考题
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单项选择题
If you wear extra clothing when entering the water after abandoning ship it will（）.
A.weigh you down
B.preserve body heat
C.reduce your body heat
D.make it more difficult to breathe -
单项选择题
If you shorten the scope of anchor cable，your anchor’s holding power（）.
A.decreases
B.increases
C.remains the same
D.has no relation to the scope -
单项选择题
If you saw flames aboard a vessel but could see the vessel was not on fire，you would know that the（）.
A.crew was trying to get warm
B.vessel required immediate assistance
C.vessel was attempting to attract the attention of a pilot boat
D.vessel was being illuminated for identification by aircraft
