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【多选题】
食品中天然有机成分A.
维生素
B.
矿物质
C.
色素
D.
激素
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反馈参考答案：
举一反三
【单选题】住宿经营者未能按照旅游服务合同约定提供服务的,应当旅游者提供不低于原定标准的住宿服务,因此增加的费用由()承担。
A.
旅行社
B.
旅游者
C.
住宿经营者
D.
旅行社和住宿经营者
【单选题】Average variable cost is:
A.
variable cost per unit multiplied by quantity.
B.
total variable cost divided by quantity.
C.
the difference between average total cost and total cost.
D.
the difference between total cost and total fixed cost.
【单选题】With mixed costs, the fixed cost element is viewed as the ________ and the variable cost element is viewed as the ________.
A.
step cost; cost of capacity
B.
cost of capacity; incremental cost of using capacity
C.
variable cost; cost of capacity
D.
step cost; mixed cost
【单选题】An increase in total variable cost usually indicates:
A.
a. the cost-driver activity level is decreasing
B.
b. the cost-driver activity level is increasing
C.
c. variable costs per unit is decreasing
D.
d. variable costs per unit is increasing
【简答题】可变成本(variable cost)
【单选题】Average variable cost is the ratio of:
A.
. total cost to the marginal cost.
B.
. variable inputs to fixed inputs.
C.
. variable cost to the quantity of output.
D.
. fixed costs to variable cost.
【单选题】erage variable cost is:
A.
variable cost per unit multiplied by quantity.
B.
total variable cost divided by quantity.
C.
the difference between average total cost and total cost.
D.
the difference between total cost and total fixed cost.
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