A.Tidal Current TablesB.Tide TablesC.Publications from ……

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

单项选择题（）directly affect the fitness and ability of a seafarer to perform watchkeeping duties.

A.Smoking
B.Drug and alcohol abuse
C.Fruit
D.Vegetables

单项选择题Malacca Strait is 805 km（）and（）from 64 km in the S to 257 km in the N.

A.long, widens
B.long, wide
C.length, widens
D.length, wide