你可能感興趣的試題

A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by（）.

A.displaying code letter Y (Yankee)
B.sounding five short blasts on his whistle
C.displaying code numeral 5
D.sounding one prolonged blast on his whistle

單項(xiàng)選擇題

A vessel the passage of which is not to be impeded（）to comply with this Rule when the two vessels are approaching one another so as to involve risk of collision.

A.remains fully obliged
B.has no obligation
C.is not necessarily
D.is exempted