单项选择题
A.mold to develop on commodities B.malfunction of the refrigeration equipment C.contamination of the insulation in the space D.All of the above
If a cargo of kerosene were considered too lean to expl...
单项选择题If a cargo of kerosene were considered too lean to explode，then it must be（）.
A.above the explosive range B.within the explosive range C.below the explosive range D.None of the above
Generally speaking，the heavier cargo will go into the（）...
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（）.
A.deep tanks／lower holds B.lower holds／tweendecks C.tweendecks／deep tanks D.deep tanks／tweendecks
Cargo that is suitable for carriage on Ro-Ro vessels in...
单项选择题Cargo that is suitable for carriage on Ro-Ro vessels includes（）.
A.trailers B.rolling vehicles C.containers D.All of the above
