单选题You hear on the radiotelephone the word “Securite” spoken three times. This indicates that（）.A a message about the safety of navigation will followB a message of an urgent nature about the safety of a ship will followC the sender is in distress and req

You are using VHF channel 16 (156.8 MHz) or 2182 KHz. You need help but are not in danger. You should use the urgent signal ______.

A.ASSISTANCE NEEDED

B.PAN-PAN

C.MAYDAY

D.SECURITE

18． When you hear two shouts or whistles，you know that people will come to help you．

Unless we () you to the contrary, we shall assume said modification .

A、hear of

B、hear out

C、hear with

D、hear from

When the GMDSS Radio Operator on watch hears“SECURITE”spoken three times he can expect to receive a message concerning ______．

A.The safety of navigation or important meteorological warnings

B.The safety of a vessel or a person is in jeopardy

C.A vessel in need of immediate assistance

D.A coast station traffic list

Foreign Language Abilities

1. Do you think you are proficient in both written and spoken English?

While proceeding to a distress site，you hear the words “Seelonce mayday” on the radiotelephone．Which action should you take ________．

A.Resume base course and speed as your assistance is no longer required

B.Acknowledge receipt and advise your course，speed，and ETA

C.Relay the original distress message as no other vessel has acknowledged it

D.Monitor the radiotelephone but do not transmit

Did you hear that girl to play the piano?()

If your radiotelephone fails while underway，______．

A.you must visually signal oncoming vessels

B.you must immediately tie up in the nearest port until the radiotelephone is repaired

C.you must anchor until the radiotelephone is repaired

D.the loss of the radiotelephone must be considered in navigating the vessel