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《梨园春》的基本定位是()栏目。[2013三真题]

A. 专题
B. 娱乐
C. 戏曲
D. 竞技

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缺血性脑卒中时水平或活性降低的指标是

A. TXB2
B. TF
C. t-PA
D. PAI
E. vWF

BAS在ELISA技术中应用最广泛的反应模式是

A. BAB
B. ABC
C. RBAB
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Fence Co plans to invest in a project which is different to its existing business operations and has identified a company in the same business area as the project, Hex Co. The equity beta of Hex Co is 1·2 and the company has an equity market value of $54 million. The market value of the debt of Hex Co is $12 million.
The risk-free rate of return is 4% per year and the average return on the stock market is 11% per year. Both companies pay corporation tax at a rate of 20% per year.
Required:
(a) Calculate the current weighted average cost of capital of Fence Co. (7 marks)
(b) Calculate a cost of equity which could be used in appraising the new project. (4 marks)
(c) Explain the difference between systematic and unsystematic risk in relation to portfolio theory and the capital asset pricing model. (6 marks)
(d) Discuss the differences between weak form, semi-strong form. and strong form. capital market efficiency, and discuss the significance of the efficient market hypothesis (EMH) for the financial manager. (8 marks)

一种B细胞杂交瘤细胞

A. 既可分泌细胞因子又可分泌抗体
B. 分泌单-的-种细胞因子
C. 同时分泌几种细胞因子
D. 分泌抗体
E. 同时分泌几种抗体

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