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單項選擇題

Defense plans may cause the operation of electronic aids to navigation to be suspended with （）.

A.no notice
B.one day's notice
C.a week's notice
D.thirty (30) days notice

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單項選擇題

Chief foreman，you are requested to instruct all stevedores boarding the ship that no smoking is（）in the holds during loading．

A.allowed
B.forbidden
C.approved
D.disliked

單項選擇題

Charts should be corrected by using information published in the（）.

A.Light List
B.American Practical Navigator
C.Notice to Mariners
D.Coast Pilot

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