單項(xiàng)選擇題When it is advisable to remain on VHF channel 14 you should say().

A.stand by on VHF channel 14
B.come to VHF channel 14
C.VHF channel 14 is the best place for you to stay by
D.remain in channel 14 and do not change


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1.單項(xiàng)選擇題()is the most liable to spontaneous combustion.

A.Cement
B.Chinaware
C.Fish meal
D.Steel products

2.單項(xiàng)選擇題()my knowledge the figure at the loading port is not quite accurate.

A.At
B.In
C.To
D.With

3.單項(xiàng)選擇題()of this deratting exemption certificate is hereby extended until 4th 0ct.1988 as the vessel is laden with cargo.

A.Validity
B.Valid
C.Validation
D.The coming into force

4.單項(xiàng)選擇題As matter of fact, the damage to the winches was due to().

A.insufficiency of packaging
B.inherent vice of the cargo
C.improper stowage
D.rough handling

5.單項(xiàng)選擇題Because of(),no separation is needed for the cargoes destined for New York.

A.their different packing
B.their same nature
C.their different destinations
D.their different natures