2010年中国文化遗产日活动主题是()。
A.我爱文化遗产
B.文化遗产在我身边
C.文明好
参考答案:B
Americans have mixed feelings about the war in Iraq. They think Iraq is the central point in the war
against terrorism. This war is essential. ________, they can't see any road leading to an outcome
favorable to US interests. [ ]
A. Moreover
B. On the other hand
C. What's more
D. Still
用方差—协方差法计算VaR时,其基本假设之一是时间序列不相关。若某序列具有趋势特征,则真实VaR与采用方差—协方差法计算得到的VaR相比,( )。
A.较大
B.一样
C.较小
D.无法确定