Vessel must be（）duly qualified officers and crew.

单项选择题You are in charge of a power-driven vessel navigating at night.You sight the red sidelight of another vessel on your port bow.The other vessel’s aft masthead light is to the right of her forward masthead light. You should（）.

A.stop engines
B.hold course and speed
C.alter course to port
D.sound the danger signal

单项选择题You will find information about the duration of slack water in the（）.

A.Tidal Current Tables
B.Tide Tables
C.Publications from CCS
D.Sailing Directions

单项选择题Entering from sea,a daymark on the port side of the channel would be indicated on a chart by a（）.

A.red triangle with the letter R
B.white triangle with the letters RG
C.green square with the letter G
D.white square with the letter GR

单项选择题When connecting the tow bridle to a tug, the end of the bridle is passed with a（）.

A.heaving line
B.shot line
C.high line
D.messenger line

单项选择题According to MLC,the minimum hours of rest shall not be less than 10 hours in any 24-hour period,and（）hours in any seven-day period.

A.70
B.72
C.75
D.77