单项选择题
A.heaving line B.shot line C.high line D.messenger line
According to MLC,the minimum hours of rest shall not be...
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
（）directly affect the fitness and ability of a seafarer...
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
Malacca Strait is 805 km（）and（）from 64 km in the S to 2...
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
