單項(xiàng)選擇題When a vessel is aground,().

A.she is underway
B.she is not underway
C.whether she is underway cannot be determined
D.she might be or not be underway


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1.單項(xiàng)選擇題When did you check the contents of C02 cylinders().

A.by counting
B.by calculating
C.by weighing
D.by filling

2.單項(xiàng)選擇題When does a pilot say make all lines fast ? He says it when().

A.the ship is very close to the pier
B.the ship is about to be in position
C.the ship is in position
D.the ship is getting alongside the pier

3.單項(xiàng)選擇題When launching a lifeboat in the rough sea, the davit gears should be released().

A.before the boat is lowered from the stowed position
B.as the boat fall blocks break clear of the davit head
C.before the boat is lowered from the embarkation level
D.after the boat is released into the water

4.單項(xiàng)選擇題When my ship arrived there, their ship().

A.has left already
B.left already
C.had left already
D.would left already

5.單項(xiàng)選擇題When visibility is 10 nautical miles, we say that visibility is().

A.very good
B.good
C.poor
D.moderate