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單項(xiàng)選擇題

Every lifeboat which is fitted with a fixed（）VHF radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.

A.one-way
B.two-way
C.double-effect
D.one-effect

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單項(xiàng)選擇題

Bridge-to-bridge communication means（）communications between ships from the position from which the ships are normally navigated.

A.distress
B.urgent
C.safety
D.general

單項(xiàng)選擇題

Every radio installation shall be clearly marked with the（）, the ship station identity and other codes as applicable for the use of the radio installation.

A.call sign
B.port of register
C.radio name
D.signal label