Routine radio communications should be

1、Free Radio Pratique will be granted by

Free Radio Pratique will be granted by the Port Health Office in the following case （） .AVessel with a case or suspected case of infectious...

2、Chafing gear should be placed（）.

Chafing gear should be placed（）.Aat all wearing points of mooring linesBat the bitter ends of all standing riggingCaround running riggingDon wire rope only

3、General radio communications in the gl

General radio communications in the global system may（）ship’s safety.Abe responsible forBhave an impact onCcommandDgive a guidance to

4、Radiotelephony communication or radio

Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.Adepend onBdepending onCdependent onDdepended o

5、How long must GMDSS Radio Logs be reta

How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster? （）A6 monthsB1 yearC2 yearsD3 year

6、Radio communication（）for many years an

Radio communication（）for many years and helps to save tens of thousands of lives.Ahas been usedBhave been usedChas usedDhave used