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

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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

單項(xiàng)選擇題

Digital Selective Calling means a technique using（）which which enables a radio station to establish contact with, and transfer information to another station or group of stations and complying with the relevant recommendations of the CCIR.

A.digital codes
B.code messages
C.norse codes
D.distress messages

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