单项选择题
We have two kinds of cargo on board，but（）is dangerous.
A.either
B.neither
C.none
D.no
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相关考题
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单项选择题
Vessels transiting the canal must have their accommodation ladders and cargo booms（）.
A.removed
B.rigged in
C.readjusted
D.tested -
单项选择题
Vessel on her delivery shall be ready to receive cargo with clean-swept holds and（）and in every way fitted for ordinary cargo service.
A.right，correct and safe
B.sufficient，efficient and coefficient
C.nice，tidy and in good working condition
D.tight，staunch and strong -
单项选择题
Variation is not constant; it is different with every change in（）.
A.speed
B.vessel heading
C.geographical location
D.cargo
