建设工程应当自领取施工许可证之日起()个月内开工。
A.1
B.2
C.3
D.6
参考答案:C
Many visitors enjoy _____ a few hours _____ through the history museum. [ ]
A. to spend; walking
B. spending; walking
C. spending; to walk
D. to spend; to walk
假定某证券的无风险利率是5%,市场证券组合预期收益率10%,β为0.9,则该证券的预期收益率是()。
A.8.5%
B.9.5%
C.10.5%
D.7.5%