单项选择题
A. in port B. anchoring C. rolling or pitching D. at sea
You are responsible for （）hatches today.A.closeB.toclos...
单项选择题You are responsible for （）hatches today.
A.close B.toclose C.closing D.closed
The ship may （）to one side seriously.A.pitchB.rollC.lis...
单项选择题The ship may （）to one side seriously.
A.pitch B.roll C.list D.upset
Please tell stevedores not to （）the derrick.A.overloadB...
单项选择题Please tell stevedores not to （）the derrick.
A.overload B.load C.unload D.discharge
