单项选择题
You intend to overtake a vessel in a narrow channel.As you approach the other vessel’s stern（）
A.you will gain speed B.both vessels will gain speed C.the vessels will drift together D.the vessels will drift apart
单项选择题 ECDIS should be capable of（）all chart information necessary for safe and efficient navigation originated.
单项选择题 （）is main emergency fire system in all merchant ships.
单项选择题 Each fire drill shall not include（）.
