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單項選擇題

The International Sewage Pollution Prevention Certificate (ISPP) is issued to （）

A.ships of above 200 GT to MARPOL
B.every ship of 400 GT and above
C.all ships
D.ships of more than 200 GT but less 400 GT

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單項選擇題

The IOPP certificate is valid for （）

A.one year
B.two years
C.four years
D.five years

單項選擇題

The shipboard oil pollution emergency plan will be invalid after （）

A.one year
B.two years
C.four years
D.five years

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