单项选择题
You are in charge of a power-driven vessel navigating at night.You sight the red sidelight of another vessel on your port bow.The other vessel’s aft masthead light is to the right of her forward masthead light. You should（）.
A.stop engines B.hold course and speed C.alter course to port D.sound the danger signal
单项选择题 You will find information about the duration of slack water in the（）.
单项选择题 Entering from sea,a daymark on the port side of the channel would be indicated on a chart by a（）.
单项选择题 When connecting the tow bridle to a tug, the end of the bridle is passed with a（）.
