单项选择题

I have altered course to 245 degrees for（）.

A.identify
B.identifier
C.identity
D.identification

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单项选择题

I have（）you on my radar.

A.seen
B.sighted
C.watched
D.located

单项选择题

How long must the GMDSS radio log be retained on board?（）

A.At least two years after the last entry
B.At least one year after the last entry
C.At least 90 days after the last entry
D.At least 30 days after the last entry

单项选择题

How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster? （）

A.6 months
B.1 year
C.2 years
D.3 years