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问题 单项选择题

下列有关公共关系与人际关系的说法，不正确的是( )。

A．公关工作需要运用人际沟通的手段

B．人际关系中包含了许多公共关系

C．公共关系的行为主体是组织

D．人际关系的对象是私人关系

答案

参考答案：B

不定项选择题

下列离子方程式中正确的是 [ ]

A．NaHSO4溶液中加Ba(OH)2溶液至中性：Ba2++2OH-+2H++SO42-=BaSO4↓+2H2O

B．NH4HCO3溶液与过量NaOH溶液反应：NH4++OH－=NH3↑+H2O

C．高锰酸钾与乙醇制备Mn3O4纳米粉体，同时生成乙醛：6MnO4-＋13CH3CH2OH→2Mn3O4＋13CH3CHO＋6OH-＋10H2O

D．AlCl3溶液中滴加浓氨水至过量：Al3+ + 4NH3·H2O=AlO2- +4NH4+ + 2H2O

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单项选择题

Which of the following descriptions of how option payoffs are determined is most accurate()

A. The long position in an interest rate call option receives cash at expiration equal to Max[0, (reference rate-strike rate) ] × notional principal amount. 

B. The payoff on a stock index option is the difference between the index level at expiration and the exercise price. 

C. Payoffs on futures options can be determined without knowing the spot price of the underlying commodity.
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