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问题 单项选择题

可以针对使用者的需要，直接获得第一手的数据和资料，需占用较多的人力、物力和时间的环境现状调查方法是( )。

A．类比调查法

B．现场调查法

C．收集资料法

D．遥感的方法

答案

参考答案：B

单项选择题

Ron’s Organic Markets has limited access to borrowed funds and must choose among several independent projects with returns greater than their cost of capital. All the projects under consideration have the same required investment of $ 2 million and Ron’s has $10 million available for capital investments this year. Which of the following selection criteria is least likely to produce the optimal five projects for investment Choose the five projects with:（）

A. the greatest total NPV.

B. the largest sum of profitability indexes.

C. the highest IRRs.
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单项选择题

锁阳除能补肾阳益精血外，还具有的功效是( )

A．益肾健骨，软坚散结
B．固精止带，补脾止泻，益肾养心
C．养血补心，软坚散结
D．滋阴潜阳，退热除蒸，软坚散结
E．润燥滑肠，软坚散结
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