以下对“中庭”的描述，（）正确。Ⅰ．中庭可作为建筑的交通枢纽空间Ⅱ．中庭内可安排休息

“商鞅虽死，秦法未败”。商鞅变法取得成功的根本原因在于

A．秦孝公的支持

B．商鞅的才能和决心

C．人民的大力拥护

D．顺应了时代发展的潮流

爱岗敬业的基本要求包括( )。

A．正确认识会计职业，树立职业荣誉感

B．热爱会计工作，敬重会计职业

C．严肃认真，一丝不苟

D．忠于职守，尽职尽责

疫苗有质量问题的，由药品监督管理部门负责组织对相关疫苗质量进行检验，出具检验结果报告。

Joe Savvy wishes to speculate in March wheat futures by selling one contract Prior to selling the one contract, Joe had no position in wheat futures at all. He sells to Billy Bland who already had a short position in the March wheat futures contract. His sale of one futures contract will produce :()

A. one contract of volume. 

B. one contract of open interest. 

C. both A and B.