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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(驾驶专业) > 航海英语 > 海上通信 > GMDSS

单项选择题

All stations which receive a distress alert shall immediately cease（）.

A.any transmission
B.any harmful transmission
C.to use radiotelephone
D.using radiotelephone

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When receiving a distress alert, the SAR authorities ashore and the ships in the vicinity of the ship in distress will（）soonest.

A.reach the distress area
B.conduct a sector search
C.send rescue vessels
D.assist coordinately in SAR operation
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In the GMDSS, distress alerting can be transmitted in（）directions.

A.1
B.2
C.3
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We（）the distress signal on our own radio before the shore station relayed it to us.

A.received alreadly
B.have received
C.had received
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