收集需求的工具与技术中，通常采取“一对一”的形式的是( )。

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问题单项选择题

A．访谈
B．问卷调查
C．德尔菲技术
D．引导式研讨会

答案

参考答案：A

解析：[考点与答题技巧] 收集需求过程的工具。

单项选择题

Ravencroft Supplies is estimating its weighted average cost of capital (WACC). Ravencroft’s optimal capital structure includes 10 percent preferred stock, 30 percent debt, and 60 percent equity. They can sell additional bonds at a rate of 8 percent. The cost of issuing new preferred stock is 12 percent. The firm can issue new shares of common stock at a cost of 14.5 percent. The firm’s marginal tax rate is 35 percent. Ravencroft’s WACC is closest to:()

A. 12.3%.

B. 13.3%.

C. 11.5%.

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单项选择题

下列各项，属瘀血内阻临床表现的是（）

A.面色黧黑

B.面黑干焦

C.面黑浅淡

D.眼周发黑

E.耳轮焦黑

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