单项选择题
The firing of a red star signal may mean（）.
A.This is the best place to land
B.You are seen - assistance will be given as soon as possible
C.Tail block is made fast
D.Slack away
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相关考题
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单项选择题
The Coordinator Surface Search in a SAR situation should display by day（）.
A.the code flags FR
B.a black ball over a black diamond shape
C.code flag Quebec over a black ball
D.two black diamond shapes in a vertical line -
单项选择题
Some sea water came into the wheel house during the voyage due to（）the window thereof.
A.not close
B.not closing
C.we didn't close
D.not to be closed -
单项选择题
If your vessel is dragging her anchor in a strong wind，you should（）.
A.shorten the scope of anchor cable
B.increase the scope of anchor cable
C.put over the sea anchor
D.put over a stern anchor
