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


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1.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

2.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

3.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

4.單項(xiàng)選擇題You are getting closer to the vessel(),which is on the same course as you.

A.head
B.ahead
C.headed
D.heading

5.單項(xiàng)選擇題You are on watch at sea a man falls overboard on the port side, forward near No. 1 hatch. What of the following should you do first?().

A.Call the master
B.Put the helm hard over toward the port side
C.Sound the alarm to arouse all hands
D.Stop the engines