单项选择题
A.dew point increases B.dew point decreases C.relative humidity increases D.relative humidity decreases
Under threat, ship master activate SSAS system and send...
单项选择题Under threat, ship master activate SSAS system and send a message to（）.
A.nearby coast station B.flag administration C.vessels in the vicinity D.charterer and sub-charterer
Could you tell me（）the seaport（）?A.where/areB.where/isC...
单项选择题Could you tell me（）the seaport（）?
A.where/are B.where/is C.is/where
I am a seaman, I come（）the People’s Republic of China.A...
单项选择题I am a seaman, I come（）the People’s Republic of China.
A.from B.to C.on D.for
