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


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1.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

2.單項(xiàng)選擇題When visibility is about 1 nautical mile only, we say that visibility is().

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

3.單項(xiàng)選擇題When within the entrance, the vessel should()surf islet.

A.navigate
B.arrive at
C.steer for
D.maneuver for

4.單項(xiàng)選擇題Which of the following best indicates how many tons of cargo a ship can carry?().

A.Bale cubic
B.Deadweight
C.Gross tonnage
D.Net tonnage

5.單項(xiàng)選擇題Who checks the bridge clock for accuracy each day?().

A.Third officer
B.Second officer
C.Chief officer
D.Assist nt officer