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單項(xiàng)選擇題

Define the acronym MSI（）.

A.Maritime Safety Information
B.Maritime Shipping Index
C.Maritime Satellite Indicator
D.Mariner Safety Intelligence

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單項(xiàng)選擇題

Deficient oxygen content inside a chain locker can be detected with（）.

A.litmus paper
B.combustible gas indicator
C.oxygen breathing apparatus
D.oxygen indicator

單項(xiàng)選擇題

Deck beams on a ship are generally spaced at equal intervals and run（）.

A.longitudinally
B.vertically
C.transversely
D.intermittently

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