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【简答题】
下列变化中,构成物质的分子本身发生变化的是(  ) A.糖溶于水 B.衣箱中樟脑丸不见了 C.工业上蒸发液态空气制氧气 D.加热高锰酸钾
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参考答案:
举一反三
【单选题】The cost of fire insurance for a manufacturing plant is generally c onsidered to be a ( )
A.
product cost
B.
period cost
C.
variable cost
D.
all of these
【判断题】皮肤肿胀,按之凹陷,举手即起者,为水肿。()
A.
正确
B.
错误
【单选题】For a manufacturing company, identify the following as either product cost or period cost: Depreciation on plant equipments
A.
product cost
B.
period cost
【单选题】A manufacturing plant exhibits diseconomies of scale if long-run average cost (LRAC) is:
A.
decreasing as output increases, and the plant is at its minimum efficient scale if LRAC is at its lowest level.
B.
decreasing as output increases, and the plant is at its minimum efficient scale if LRAC is decreasing over the entire range of output.
C.
increasing as output increases, and the plant is at its minimum efficient scale if LRAC is at its lowest level.
【单选题】For a manufacturing company, identify the following as either product cost or period cost: Insurance on plant building
A.
product cost
B.
period cost
【单选题】For a manufacturing company, identify the following as either product cost or period cost: Utility expense for the manufacturing plant
A.
product cost
B.
period cost
【单选题】转录因子TFIIS 的功能是
A.
结合Sp1
B.
磷酸化TFIIH
C.
解链DNA
D.
促进RNA校读
【单选题】A cost-output relation for a specific plant and operating environment is the:
A.
short-run cost curve.
B.
long-run total cost curve.
C.
long-run marginal cost curve.
D.
long-run average cost curve.
【简答题】Hourly cost of ( )plant is generally less than ( ) plant.
【判断题】皮肤肿胀,按之凹陷,举手即起者,为水肿。
A.
正确
B.
错误
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