Duty is an act or a course of action that people ______you to take by social customs, law or religion.

Project（71）is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

● Project（71）is an uncertain event or condition that, if it occurs, has a positive or a negative effect on at least one project objective, such as time, cost, scope, or quality.（71）

A declaration made by the Master before a PRC Consul，giving particulars regarding heavy weather or other incidents which may have caused damage to the vessel or cargo，through no fault of the vessel，her officers，or crew is a(n)（）.

A vessel or object being towed astern shall display a(n)（）.

Do you like an apple or a banana?（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

（ ）estimating is a technique for estimating the duration or cost of an activity ou project using historical data from a similar activity or project.

During counterflooding to correct a severe list or trim aggravated by an off-center load，a ship suddenly takes a list or trim to the opposite side. You should（）.

线性表L=（a1，a2，a3…ai，…an），下列说法正确的是(  )

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。