單項(xiàng)選擇題The existing terrestrial radio system has a number of basic flaws which().

A.can be overcome by using traditional techniques
B.can not be overcome by satellite system
C.can be overcome by satellite and digital techniques
D.can not be tackled by any modern system


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2.單項(xiàng)選擇題For ship-to-shore distress alerts, you can use().

A.INMARSAT, EPIRB and DSC
B.NAVTEX, NBDP and R/T
C.INMARSAT, VHF and SART
D.EPIRB, DSC and radar

3.單項(xiàng)選擇題Every ship shall carry personnel qualified for()to the satisfaction of the Administration.

A.distress and safety radio communication purposes
B.life-saving purpose
C.GMDSS requirements
D.emergency position

4.單項(xiàng)選擇題All ships which, in accordance with the present Convention, are required to carry radio installations shall carry().

A.Q-code
B.Telephone numbers and addresses
C.the international Codes of Signals
D.radio instructions