單項(xiàng)選擇題()directly affect the fitness and ability of a seafarer to perform watchkeeping duties.

A.Smoking
B.Drug and alcohol abuse
C.Fruit
D.Vegetables


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題Malacca Strait is 805 km()and()from 64 km in the S to 257 km in the N.

A.long, widens
B.long, wide
C.length, widens
D.length, wide

2.單項(xiàng)選擇題It is customary in shipping practice to quote freight rates()weight or measurement,ship’s option.

A.on the basis of
B.as a result of
C.arise from
D.come into being

3.單項(xiàng)選擇題When underway in a channel,you should keep to the().

A.middle of the channel
B.starboard side of the channel
C.port side of the channel
D.side of the channel that has the widest turns

4.單項(xiàng)選擇題()is not ordinarily applied to passenger or to combination passenger and freight ships.

A.displacement tonnage
B.deadweight tonnage
C.registered tonnage
D.gross tonnage

5.單項(xiàng)選擇題A vessel shall be deemed to be overtaking when she can see at night().

A.only the sternlight of the vessel
B.a sidelight and one masthead light of a vessel
C.only a sidelight of the vessel
D.any light except the masthead lights of the vessel