下列哪个不是孕激素的化学结构特点（） A.具孕甾烷母核 B.A环_爱下问搜题

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问题单项选择题 A1/A2型题

下列哪个不是孕激素的化学结构特点（）

A.具孕甾烷母核

B.A环为芳香环

C.3位和20位有酮

D.4位有双键

E.10和13位有甲基

答案

参考答案：B

单项选择题

An analyst does research about opportunity cost and gathers the following information about three fixed income products available for the public:

Fixed Income Product	Interest Rate
1	3.3%
2	4.4%
2	4.4%
3	6.6%

If each fixed income product has the same maturity and default risk, the opportunity cost of investing in product 2 is closest to:（）

A. 0.0%

B. 1.1%

C. 2.2%

名词解释

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