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單項選擇題

Would you please（）on the radar?

A.Switch
B.To switch
C.Switched
D.Will switch

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單項選擇題

Would you mind（）your DF?

A.My using
B.I use
C.To use
D.I will use

單項選擇題

With respect to automatic identification systems（AIS），which information is expected to be broadcast every 1 to 10 seconds（）.

A.Rate of turn
B.Latitude and longitude
C.Navigational status
D.All of the above

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