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问题 选择题

下列优秀小说，属于解放区文艺工作创作的是

①《太阳照在桑干河上》 ②《小二黑结婚》 ③《屈原》 ④《孔乙己》  [ ]

A、①②

B、③④

C、②④

D、①③

答案

答案：A

填空题

计算开启逢长，如遇两扇相互搭接时，其（）按一段计算。
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单项选择题

Vijay Ranjin, CFA, is a portfolio manager with Golson Investment Group. He manages a fixed-coupon bond portfolio with a face value of $ 120. 75 million and a current market value of $116. 46 million. Golson’s economics department has forecast that interest rates are going to change by 50 basis points. Based on this forecast, Ranjin estimates that the portfolio’s value will increase by $2. 12 million if interest rates fall and will decrease by $2.07 million if interest rates rise. Which of the following choices is closest to the portfolio’s effective duration（）

A. 3.6.

B. 0.4.

C. 2.9.
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