施工变更是指施工承包单位根据工程实施过程中实际变化的情况提出的工程变更。
参考答案:错
解析:施工变更是指建设单位或施工承包单位根据工程实施过程中实际变化的情况提出的工程变更。
根据《建设工程工程量清单计价规范》的规定,分部分项工程量清单中可不必列出的内容是( )。
A.项目特征描述
B.工程量计算规则
C.计量单位
D.工程量
Juliet Kaufman manages a large portfolio of risky assets for a family of investors. The portfolio consists primarily of stocks but also includes a small allocation of fixed-income investments. Currently, the expected return and standard deviation of the portfolio are 14.0 percent and 12.0 percent, respectively. Kaufman is considering adding one of four stocks to the portfolio. Data on each stock’s expected return, beta, standard deviation and covariance with the existing portfolio are presented below. Which stock should Kaufman add to the portfolio
A.Stock
B.E(R)
C.Beta
D.D.
E.Covariance
F.
A
B
C
G.
12.0%
13.0%
15.0%
H.
0.85
1.08
0.97
I.
11.0%
10.0%
8.0%
J.
0.00
-0.01
0.02