单项选择题
The COSPAS-SARSAT system can provide distress alerts to the appropriate rescue authorities（）.
A.at sea
B.on land
C.in the air
D.throughout the world
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相关考题
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单项选择题
For COAPAS-SARSAT system,（）process the distress signal from EPIRB to determine its position and identity.
A.COSPAS-SARSAT
B.ground receiving stations
C.spacecraft
D.satellite SAR instrument -
单项选择题
The COSPAS-SARSAT system can provide distress alerts to the appropriate authorities（）.
A.anywhere in the world
B.at sea
C.in the air
D.ashore -
单项选择题
The COSPAS-SARSAT 406mhz system was adopted as an element of the GMDSS by IMO in（）.
A.1982
B.1980
C.1984
D.1988
