單項(xiàng)選擇題

We have two kinds of cargo on board，but（）is dangerous.

A.either
B.neither
C.none
D.no

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單項(xiàng)選擇題

Vessels transiting the canal must have their accommodation ladders and cargo booms（）.

A.removed
B.rigged in
C.readjusted
D.tested

單項(xiàng)選擇題

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