（）an order for one thousand tons or more we grant a special discount of 10%.

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

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

下列业务中，不属于移动通信业务的是()。

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）

What is a functional or carriage requirement for compulsory vessels?（）

Do you like an apple or a banana?（）

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

The central purpose of management is （） every action or decision help achieve a carefully chosen goal.

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（）.