單項選擇題I am ready（）tow line.

A.cast
B.to cast of
C.cast off
D.to cast off


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1.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

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

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

3.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

4.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

5.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