单项选择题

The cargo is liable to burn.Please keep it（）the engine room.

A.out of
B.away from
C.from away
D.out from

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单项选择题

A.burton fall
B.down fall
C.hatch fall
D.stay fall

单项选择题

A.red or green to conform with the other lateral aids
B.red and green horizontally-striped
C.solid yellow
D.white with orange marks

单项选择题

A.horizontally banded buoys
B.vertically striped buoys
C.yellow buoys
D.spherical buoys