单项选择题
The total quantity of oil discharge into the sea（）for existing tankers 1/15000 of the total quantity of the particular cargo or which the residue formed a part（）.
A.does not exceed
B.should exceed
C.should be up to
D.should be no more than
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A.environmental loading
B.variable loading
C.fixed loading
D.basic loading -
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The terminal stuff tallies the cargo mainly before the ship’s（）.
A.loading
B.leaving
C.arriving
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单项选择题
The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge，and in a few minutes the pressure drops sharply. This could be a result of the（）.
A.booster pump coming on the line and discharging properly
B.booster pump failing to start
C.booster pump being lined up in the wrong direction
D.ship's pump speeding up
