單項(xiàng)選擇題According to Annex Ⅴ of MARPOL 73/78, the dunnage, lining and packing materials which will float can be discharged when the ship is more than（）away from the nearest land.

A.3 n mile
B.5 n mile
C.12 n mile
D.25 n mile


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2.單項(xiàng)選擇題According to Anneal I of MARPOL 73/78, the discharging oil content of the machinery space bilges must be lower than（）

A.30 liters per nautical mile
B.15 liters per nautical mile
C.30 ppm
D.15 ppm

3.單項(xiàng)選擇題According to Annex I of MARPOL 73/78, the instantaneous discharging rate of the oily waste from cargo tanks of oil tankers must be lower than（）

A.30 liters per nautical mile
B.15 liters per nautical mile
C.30 ppm
D.15 ppm

4.單項(xiàng)選擇題According to Annex I of MARPOL 73/78, oily waste from cargo tanks of oil tankers can be discharged when the ship is more than（）away from the nearest land.

A.50 nautical miles
B.30 nautical miles
C.15 nautical miles
D.12 nautical miles

5.單項(xiàng)選擇題The MARPOL Convention is the main international convention（）

A.about marine pollution prevention
B.covering marine protection of life
C.about marine
D.about ship and port security