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问题 单项选择题

生态系统可以从自然干扰和人为干扰所造成的破坏中得到恢复，通过人类的科学参与，一些生态系统可以（）。

A.加速恢复

B.缓慢恢复

C.加速破坏

D.缓慢破坏

答案

参考答案：A

单项选择题

Jamal Winfield is an analyst with Stolzenbach Technologies, a major computer services company based in the U.S. Stolzenbach’s management team is considering opening new stores in Mexico, and wants to estimate the cost of equity capital for Stolzenbach’s investment in Mexico. Winfield has researched bond yields in Mexico and found that the yield on a Mexican government 10-year bond is 7.7 percent. A similar maturity U.S. Treasury bond has a yield of 4.6 percent. In the most recent year, the standard deviation of Mexico’s All Share Index stock index and the S&P 500 index was 38 percent and 20 percent respectively. The annualized standard deviation of the Mexican dollar-denominated 10-year government bond over the last year was 26 percent. Winfield has also determined that the appropriate beta to use for the project is 1.25, and the market risk premium is 6 percent. The risk free interest rate is 4.2 percent. What is the appropriate country risk premium for Mexico and what is the cost of equity that Winfield should use in his analysis Country Risk Premium for Mexico Cost of Equity for Project（）①A. 4.53%19.06% ②B. 5.89%17.36% ③C. 4.53%17.36%

A. ①

B. ②

C. ③
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单项选择题 案例分析题

患者，女，18岁，入院前1月因受寒后咽喉肿痛、不咳、低热但未作治疗；10天前出现颜面及双下肢水肿，晨起为甚，且逐渐加重，同时尿少，2次／天，呕吐及皮肤瘙痒，腰痛，但无肉眼血尿及尿频、尿痛、关节痛等症

需选择的临床实验室检查项目主要为（）

A.肝功能检查

B.肾功能检查

C.胃肠功能检查

D.呼吸功能检查

E.心功能检查
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