單項(xiàng)選擇題1 nautical mile is the lenth of an arc of a great circle which subtends an angel of（）at the center of the Earth.

A.1degree
B.1 minute
C.1second
D.1.5 degree


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1.單項(xiàng)選擇題A ship is side to be（）when the whole ship moves bodily to port and then to starboard.

A.rolling
B.pitching
C.heaving
D.swaying

2.單項(xiàng)選擇題A ship is side to be（）when the bow and stern rise and fall with the oncoming waves.

A.rolling
B.pitching
C.heaving
D.swaying

3.單項(xiàng)選擇題Details about the packing,marking and stowing of（）are given in the International Maritime Dangerous Goods(IMDG)Code.

A.general cargoes
B.dry bulk cargoes
C.hazadous cargoes
D.manufactured goods of large size

4.單項(xiàng)選擇題（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

A.fragile or expensive cargoes
B.raw materials
C.finished metallic products
D.manufactured goods of large size

5.單項(xiàng)選擇題Boilers and cylinders are（）.

A.raw metallic products
B.finished metallic products
C.consumable products
D.Manufactured goods of large Size