类比估算（Analogousestimating）：（）

【题目描述】

类比估计是项目成本估计的常用方法，以下(13)不具有类比估计方法的特征。A．支持自下而上的估计

B．是专家判断的一种形式

C．实际成本准确率为±10%

D．应用以前相似的项目成本作为估计现在项目成本的基础

【我提交的答案】： B

【参考答案与解析】： 正确答案：C

答案分析：

解析：类比法(Analogous　Estimating)是根据过去类似项目的范围、成本、持续时间和质量要求等参数来估算新项目的成本的方法。当相类比的项目和新项目在外表和实质上都类似时，类比估算较可靠。

类比估算是自上而下的估算，为何不是A？

A．grading

B．rating

C．estimating

D．measuring

A．grading

B．rating

C．estimating

D．measuring

______is one of the techniques used for estimating activity durations．

A．Analogous Estimating

B．Precedence Diagramming Method(PDM)

C．Dependency Determination

D．Schedule network Templates

______is one of the techniques used for estimating activity durations．

A．Analogous Estimating

B．Precedence Diagramming Method(PDM)

C．Dependency Determination

D．Schedule network Templates

Estimate activity durations is the processof estimating the number of work periods to complete indivities with estimatedresources . the tools and technques is not including（）.

A.expert judgment

B.analogous estimating

C.requiremen tstraceability matrix

D.three-point estimating

【C3】

A．estimating

B．equating

C．predicting

D．calculating

Going from Level to Level in the work breakdown structure will result in

A.Less estimating accuracy

B.Better control of the project

C.Lower status reporting costs

D.A greater likelihood that something will fall through the cracks

E.None of the above

A．avenging

B．underestimating

C．ascending

D．underlying

A．calculating

B．supposing

C．estimating

D．regarding