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單項(xiàng)選擇題

Course directed by the OSC or CSS to be steered at the beginning of a search is（）.

A.Original course
B.Initial course
C.Final course
D.Designated course

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單項(xiàng)選擇題

The commander of a rescue unit designated to co-ordinate search and rescue operations within a specified area is the（）.

A.General commander
B.Commander general
C.Search commander
D.On-scene commander

單項(xiàng)選擇題

Stop search and return to（）.

A.keel
B.virgin
C.origin
D.base

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