单项选择题
A vessel is tender if cargo weight is（）.
A.concentrated high and the double bottoms empty B.concentrated low and the double bottoms empty C.evenly distributed vertically with the double bottoms full D.concentrated and with the double bottoms full
单项选择题 A vessel is listed when it is（）.
单项选择题 A vessel aground may have negative GM since the（）.
单项选择题 A quick and rapid motion of a vessel in a seaway is an indication of a(n)（）.
