单项选择题
A.1degree
B.1 minute
C.1second
D.1.5 degree
单项选择题 A ship is side to be()when the whole ship moves bodily to port and then to starboard.
单项选择题 A ship is side to be()when the bow and stern rise and fall with the oncoming waves.
单项选择题 Details about the packing,marking and stowing of()are given in the International Maritime Dangerous Goods(IMDG)Code.