单项选择题
What is NOT a precaution to be taken when topping off? （）
A.Reduce the loading rate B.Notify the engine room of the procedure C.Maintain communications with the dock man D.Give the operation your undivided attention
单项选择题 What is an example of the term Restraint of Rulers，Princes，or Peoples in a marine insurance policy? （）
单项选择题 What is a characteristic of all centrifugal cargo pumps? （）
单项选择题 We’ve changed our（）not to start loading this evening．
