單項(xiàng)選擇題（）is the chain?

A.How
B.What
C.Why
D.How about


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1.單項(xiàng)選擇題As each MSI message will have a unique identity, the printing of messages already received correctly is（）.

A.automatically suppressed
B.finished by the operator
C.manually suppressed
D.done again

2.單項(xiàng)選擇題All coast radio stations（）DSC installed for VHF and HF.

A.have
B.had
C.are having
D.have had

5.單項(xiàng)選擇題Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.

A.adherence to
B.adoption to
C.relaying on
D.usage of

6.單項(xiàng)選擇題On-scene communications will normally take place between（）.

A.ship in distress and assisting units
B.NCS and RCC
C.RCCs and “on-scene commander” or “coordinator surface search”
D.ship in distress and coast station

7.單項(xiàng)選擇題What following is not among the function of SOLAS ships?（）

A.receive shore-to-ship distress alerting
B.transmit ship-to-shore distress alerting
C.receive message for public correspondence
D.transmit and receive locating signals

8.單項(xiàng)選擇題Before GMDSS, if the radio officer on board is serious ill,（）.

A.someone else will take his place
B.the captain will take charge of his work
C.nobody will be capable of doing his work
D.anyone else will use the radio equipment

9.單項(xiàng)選擇題We consider（）send a helicopter with medical facilities to the distress area.

A.it necessary
B.it is necessary
C.it necessary to
D.necessary

最新試題

Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.

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Radio communication（）for many years and helps to save tens of thousands of lives.

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Before GMDSS, if the radio officer on board is serious ill,（）.

題型：?jiǎn)雾?xiàng)選擇題

As each MSI message will have a unique identity, the printing of messages already received correctly is（）.

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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.

題型：?jiǎn)雾?xiàng)選擇題

SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.

題型：?jiǎn)雾?xiàng)選擇題

The frequency（）the safety message will be transmitted shall be included in DSC safety call.

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At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.

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Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.

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COSPAS-SARSAT is intended to be used for（）.

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