某公司全年的现金需求量为840万云，其原材料购买和产品销售均采用赊购赊销方式，应收账款的平均收账期为70天，应付账款的平均付款期为80天，存货平均周转期为60天，则按现金周转期模式所确定的最佳现金持有量为（）万元。
A. 116.67
B. 120
C. 140
D. 133.33
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It can be inferred from the second paragraph that multimillionaires' children have
A. little opportunity to develop according to their own inclinations than ordinary children
B. more opportunity to develop according to their own inclinations than ordinary children
C. as much opportunity to develop according to their own inclinations as ordinary children
D. absolute opportunity to develop according to their own inclinations
What is the function of figures in a business according to the passage？
A. They provide guides for the managers.
B. They are policy choices for the managers.
C. They lead to the increase in production.
D. They determine the profits of a business.
The phrase "to fend for themselves" (Line 6, Para. 1) most probably means
A. to present themselves
B. to isolate themselves
C. to be proud of themselves
D. to look after themselves
的设置是清王朝实行满汉联合、以汉制汉统治方式在军事上的具体体现
A. 八旗制度
B. 督抚制度
C. 绿营的普遍设立
D. 都司卫所制度
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