单项选择题
We’ll（）some necessary measures to raise the working efficiency.
A.give B.make C.take D.use
单项选择题 When and where（）your registy certificate issued?
单项选择题 When vessel enters thick fog, she should sound（）every two minutes in accordance with the rules.
单项选择题 When there is not a chief officer on board,（）should keep and write up the ship’s logbook.
