单项选择题
An inclined semisubmersible with a very short rolling period about a constant angle of list is likely to have（）.
A.an off-center TCG B.an LCG greater than level vessel LCB C.a negative GM D.excessive free surfaces
单项选择题 All of the following are engaged in fishing EXCEPT（）.
单项选择题 A vessel with a large GM will（）.
单项选择题 A vessel will NOT show sidelights when（）.
