单项选择题

Red lights may appear on（）.

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

相关考题

Preventer bars are fitted on lifeboat releasing hooks t...

单项选择题Preventer bars are fitted on lifeboat releasing hooks to prevent（）.

A.the falls from unhooking if the releasing gear is operated accidentally while the boat is being lowered
B.operation of the release lever until the boat is waterborne
C.the falls from rehooking after they have been released
D.accidental unhooking when the falls become slack

Please tell your tallymen to（）out the marks in the hold...

单项选择题Please tell your tallymen to（）out the marks in the holds during discharging.

A.pick
B.choose
C.sort
D.decide

Please shift some light cargo to fill it（）.A.inB.upC.ov...

单项选择题Please shift some light cargo to fill it（）.

A.in
B.up
C.over
D.with

理货与计量作业

Red lights may appear on（）.