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【单选题】
When the high-low method is used to estimate a cost function, the variable cost per unit is found by a. performing regression analysis on the associated cost and cost driver database. b. subtracting the fixed cost per unit from the total cost per unit based on either the highest or lowest observation of the cost driver. c. dividing the difference between the highest and lowest observations of the cost driver by the difference between costs associated with the highest and lowest observations of the cost driver. d. dividing the difference between costs associated with the highest and lowest observations of the cost driver by the difference between the highest and lowest observations of the cost driver.A.
performing regression analysis on the associated cost and cost driver database.
B.
subtracting the fixed cost per unit from the total cost per unit based on either the highest or lowest observation of the cost driver.
C.
dividing the difference between the highest and lowest observations of the cost driver by the difference between costs associated with the highest and lowest observations of the cost driver.
D.
dividing the difference between costs associated with the highest and lowest observations of the cost driver by the difference between the highest and lowest observations of the cost driver.
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【单选题】对于骨细胞,哪一项错误 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
．是多突形细胞 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
B.
．突起多而细长，相邻细胞突起借紧密连接相互连接 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
．细胞体呈扁平椭圆形，居于细胞间质中，其所占据的空间称为骨陷窝 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
D.
．细胞突起所占空间称为骨小管，各骨陷窝借骨小管彼此相沟通 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
E.
．细胞核呈卵圆形，细胞质内含少量的线粒体、高尔基复合体和散在的粗面内质网等 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>