I also told them if they wanted a copy o

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问题选择题

I also told them if they wanted a copy of my book ____ my office. I would be happy to send one to them.[ ]

A. to call

B. call

C. calling

D. called

答案

答案：A

单项选择题

An investor owns a share of stock worth $ 75 and buys a put option for a premium of $ 2 with a strike price of $ 65. What are the risk and return characteristics of the portfolio The:（）

A. portfolio has unlimited downside risk, but the upside potential is limited to $ 65.

B. portfolio’s downside risk is a price of $73, but there is no maximum to the upside potential.

C. portfolio’s downside risk is a price of $ 63, but there is no maximum to the upside potential.

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单项选择题

银量法测定苯巴比妥含量的依据是

A．λmax为240nm
B．λmax为255nm
C．银量法
D．与铜盐的反应
E．λmax为304nm

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