选择题：According to our records,your membership ____ at the end of December.

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渐进决策模式是（ ）在1959年发表的《“渐进调适”的科学》一文中首先提出来的。 A.西蒙 B.奥尔森 C.库恩 D.林德布洛姆

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病因学研究的内容是A、疾病转归的规律B、疾病的基本机制C、因果交替规律D、疾病发生的原因与条件E、机

资料：Many people think of internal control as a means of safeguarding cash and preventing fraud. Although internal control is an important factor in protecting assets and preventing fraud, this is only a part of its roles. Remember that business decisions