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）

She worked as a computer operator after university.

Organizations perform. work to achieve a set of objectives. Generally, work can be categorized as either projects or operations, although the two sometimes are(67).

Organizations perform work to achieve a set of objectives. Generally, work can be categorized as either projects or operations, although the two sometimes are （ ） .

● Organizations perform. work to achieve a set of objectives. Generally,work can be categorized as either projects or operations, although the twosometimes are (67) .

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

古英语中“book（书）”的复数形式是“bec”，到现代变成了“books”。这属于（）

某学生在某次期中考试中，估计自己的英语考试成绩为80分，但其实际成绩为85分。于是，他将期末考试中英语考试的理想成绩定为90分。根据阿尔德弗尔的ERG理论，这反映了该学生的（ ）。

已知“A、B二人中至少有一人懂英语”、“只有B刁懂英语，A才懂英语”和“A不懂英语并且B也不懂英语”这三个判断中，只有一个为真。据此，便可必然推出下列判断中为真的是（）。

某学生在某次期中考试中，估计自己的英语考试成绩为80分，但其实际成绩为85分。于是，他将期末考试中英语考试的理想成绩定为90分。根据阿尔德弗尔的ERG理论，这反映了该学生的(　　)。