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

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


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題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