单项选择题
A.let the schooner guy take most of the strain，thus transferring the load to the opposite boom
B.leave the preventer guy slack
C.secure them as close together as possible on deck
D.secure them so the angle between them is 90°at the boom head
单项选择题 If reefer spaces are not properly cleaned prior to loading cargo，it will most likely cause（）.
单项选择题 If a cargo of kerosene were considered too lean to explode，then it must be（）.
单项选择题 Generally speaking，the heavier cargo will go into the（），distributing it evenly fore and aft，the lighter cargo will probably be placed in the（）.