单项选择题 The officer in charge of the engineering （）the watch to the reliving officer if there is reason to believe that the latter is obviously not capable of carrying out the watch-keeping duties effectively.

单项选择题 The officer in charge of the engineering watch shall continue to be responsible for machinery operations, （）the presence of the chief engineer in the machinery space.

单项选择题 We have stayed at Shanghai port for a long timeThe fouling on the ship’s hull greatly increases her （）.