单项选择题
起锚，留一节在水里。（）
A. Heave up the cable and leave one shackle in water. B. Weigh anchor and leave one shackle in water. C. Lower the cable and leave one shackle in water. D. Drop anchor and leave one shackle in water.
单项选择题 有多少节锚链在外？（）
单项选择题 锚马上就要出水了。（）
单项选择题 锚已离底。（）
