单项选择题
A.horizontally banded buoys B.vertically striped buoys C.yellow buoys D.spherical buoys
During loading or discharging，the tallymen must make co...
单项选择题During loading or discharging，the tallymen must make contact with（）on duty so as to solve problems in time.
A.ship owner B.ship’s officers C.shippers D.consignors
Can you tell me something about the tallying methods at...
单项选择题Can you tell me something about the tallying methods at your port?（）.
A.Certain B.Be certain C.Sure D.Be sure
By day，the horizontal motion of a white flag，or arms ex...
单项选择题By day，the horizontal motion of a white flag，or arms extended horizontally，by a person on the beach indicates（）.
A.Haul away B.Tail block is made fast C.Negative D.Affirmative
