单项选择题
Where must the draft marks be placed on a small passenger vessel? （）
A.On each side of the stem B.Near the stern post or rudder post C.At each end of the vessel D.All of the above
单项选择题 When a vessel is inclined by an external force，the（）.
单项选择题 What should you apply to a fathometer reading to determine the depth of water?（）
单项选择题 What is NOT an advantage of the house-fall system when compared to a married-fall system using two of the ship’s booms? （）
