When making landfall at night，you can determine if a light is a major light or an offshore buoy by（）.
1、Which vessel when anchored at night，wo
Which vessel when anchored at night，would not be required to show anchor lights? （）AA vessel engaged in underwater operationsBA vessel engaged in mine clearanceCA vessel engaged on pilotage dutyDA vessel engaged in survey operatio
2、AWhen you look at the sky at night，the
AWhen you look at the sky at night，the moon looks bigger than the stars． In fact，the moon is much smaller than the stars．It is much smal...
3、24． When you do scuba diving， you can
24． When you do scuba diving， you can ________．A stay in deep water for a long timeB dive very， very deepClive in deep water easilyD dive freely without any dangers
4、At night，if you see a vessel ahead dis
At night，if you see a vessel ahead displaying the lights shown you should（）.Aprovide assistance as the vessel is in distressBstay clear as t...
5、You（）to lock the door at night.
You（）to lock the door at night.AshouldBoughtCmustDshall
6、At night you observe a vessel ahead sh
At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is（）.Ain distressBapproaching a bend in the channelCoperating astern propulsionDintending to overtake another vessel