单项选择题
The indication of a slipping anchor is a（n）（）.
A.Decrease in mooring line length B.Increase in the opposite amperage C.Increase in the opposite line tension D.Decrease in mooring line tension and amperage
单项选择题 The Coordinator Surface Search（CSS）in a SAR situation should display by night（）.
单项选择题 Stop search and return to（）.
单项选择题 Please（）search and rescue.
