单项选择题
Semisubmersibles A and B are identical. However，A is more tender than B. This means that A relative to B has a（）.
A.lower KG B.smaller GM C.smaller roll angle D.larger GZ
单项选择题 Progressive flooding may be indicated by（）.
单项选择题 Pitching is angular motion of the vessel about what axis?（）.
单项选择题 On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds，which is TRUE?（）.
