单项选择题
A.special B.different C.expensive D.valuable
A SART can be fixed on（）.A.a mother shipB.a lifeboatC.a...
单项选择题A SART can be fixed on（）.
A.a mother ship B.a lifeboat C.a life craft D.all of A,B,C
All stations which receive a distress alert shall immed...
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
When receiving a distress alert, the SAR authorities as...
单项选择题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
