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單項選擇題

As the temperature for a given mass of air increases, the（）.

A.dew point increases
B.dew point decreases
C.relative humidity increases
D.relative humidity decreases

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單項選擇題

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

單項選擇題

Could you tell me（）the seaport（）?

A.where/are
B.where/is
C.is/where