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【判断题】
数控机床冷却系统由电气控制系统、冷却泵、管道、水阀和水箱组成
A.
正确
B.
错误
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参考答案:
举一反三
【判断题】构成血-睾屏障的细胞是睾丸间质细胞。( )
A.
正确
B.
错误
【单选题】在 Excel 2010中, 一个完整的函数应该包括( )
A.
=
B.
=、函数名
C.
=、函数名、变量
D.
以上都不对
【简答题】催化糖酵解的三步不可逆反应的酶分别是 , 和 。
【多选题】催化糖酵解途径中不可逆反应的酶是
A.
丙酮酸激酶
B.
磷酸果糖激酶
C.
己糖激酶
D.
葡萄糖激酶
E.
磷酸烯醇式丙酮酸羧激酶
【单选题】The unit standard cost is_____.
A.
the product of the standard price times the standard quantity for each unit.
B.
the price standard for each unit.
C.
the actual cost for a standard product.
D.
the amount of actual cost to produce a unit in a standardized process.
【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 t...
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.
【单选题】催化糖酵解第一步不可逆反应的酶是?
A.
己糖激酶
B.
戊糖激酶
C.
磷酸果糖激酶
D.
丙酮酸激酶
【单选题】(Fixed Cost)+(Quantity × Variable Cost per Unit) describes ().
A.
Total Cost.
B.
Total Revenue.
C.
Break-even Point.
D.
Profits.
E.
Average Cost per Unit.
【单选题】在Excel2010中,一个完整的函数计算包括()
A.
“=”和函数名
B.
函数名和参数
C.
“=”和参数
D.
“=”、函数名和参数
【单选题】A standard cost is a unit cost that:
A.
should never be revised
B.
is the average cost for the industry
C.
the company attained in the most recently completed period
D.
should be attained
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