Sufficient cargo tanks shall be（）prior to each ballast voyage in order that，taking into account the tanker’s trading pattern and expected weather conditions，ballast water is put only into cargo tanks which have been crude oil washed.

A.inerted

B.crude oil washed

C.gas freed

D.batterned down

汽车的动力性通常用三方面来评定：汽车的（），最大（）。（）或（）。

A.最高车速

B.上坡能力

C.加速度

D.加速时间