单选题（）communication are intership VHF radio telephone communication.A ship-to-shoreB shore-to-shipC bridge-to-bridge

You are making ship-to-shore telephone calls on VHF. You should use the ______.

A.VHF-FM service

B.coastal harbor service

C.high seas service

D.emergency broadcast service

Which statement is TRUE ________．

A.GMDSS radio logs are required to contain entries pertaining to all incidents connected to radio communication service which appear to be of importance to the safety of life at sea

B.All distress communications must be entered in the GMDSS radio log．

C.Both of the above

D.None of the above

The telephone, clock, and radio are ______ located by the patient’s bedside.

Ahandily

Bskillfully

Creadily

Dquickly

If you know that the vessel you are about to call on the VHF radio maintains a radio watch on both the working and the calling frequencies, which frequency should you call on ?______.

A.Calling frequency

B.Distress frequency

C.Urgency frequency

D.Working frequency

Which radio equipment is not necessary for the ships sailing in the sea area A2?

A.MF DSC

B.VHF radio telephone

C.VHF DSC

D.VHF EPIRB

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

A、play

B、have played

C、are playing

D、is playing