單項選擇題How should the letter O be pronounced when spoken on the radiotelephone?（）

A.OCK TOW BER
B.O RI AN
C.OSS CAH
D.OA KAM


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1.單項選擇題How（）the cargo at loading port?

A.about
B.in
C.with
D.from

2.單項選擇題Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.

A.exchange navigational information between vessels
B.exchange navigational information between a vessel and a shore station
C.conduct necessary tests
D.exchange operating schedules with company dispatcher

3.單項選擇題All VHF marine band radios operate in the simplex mode，which means that（）.

A.only one person may talk at a time
B.only two persons may talk at the same time
C.the radio only transmits
D.the radio only receives

4.單項選擇題A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.

A.Way point
B.Receiving point
C.Reporting point
D.Closest Point