单项选择题 A seaman is reported missing in the morning and was last seen after coming off the mid-watch. Which type of turn would you use to return to the trackline steamed during the night?（）

单项选择题 A seaman is entitled by law to a release from Foreign Articles when（）.

单项选择题 A refusal to work part of the day only may（）to be a strike even though such refusal is not in breach of contract.