指挥工信号灯电瓶电压为（）V。

工作流程组织可反映一个组织系统中各项工作之间的( )，是一种动态关系。

A．逻辑关系

B．指令关系

C．递进关系

D．指导关系

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

治疗外耳道耵聍腺肿瘤首选（）。

A.放射治疗

B.化学治疗

C.放射治疗+化学治疗

D.手术治疗

E.根据病理分化程度选择治疗方案

血吸虫病的基本病理变化（）

A.尾蚴性皮炎

B.嗜酸粒细胞增多

C.肝脾肿大

D.虫卵肉芽肿

E.静脉炎和静脉周围肉芽肿

律文化的严谨性在于法律教人们透过社会现象看问题本质。