Which is heavier, a pound of cotton or half a kilogram of gold?

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）

上海创建一两所高水平的世界知名大学，其中一所指定为上海大学。

 ______ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.

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

1917年1月，北京大学校长蔡元培邀请陈独秀出任北京大学文科学长。《新青年》的编辑部从上海迁到北京，杂志走入了北京大学校园。《新青年》成为了新文化运动的主要阵地。

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

A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.

（）generally indicates that a gale or storm is approaching.

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