单项选择题
A.14 hours
B.10 hours
C.6 hours
D.It does not matter as long as my overtime is paid for
单项选择题 If the electronic chart is part of an ECDIS,it must display the minimum data required by IMO/IHO,to include all of the following EXCEPT（）.
单项选择题 （）on still water indictes how loading weight distribution affects on longitudinal strength.
单项选择题 ANCHOR HAS ITS OWN CABLE TWISTED AROUND IT defines（）.