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【简答题】
资本的价值构成是不变资本和可变资本的比率。( )
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反馈参考答案：
举一反三
【多选题】下列( )是利用了消费者剩余来获利的。
A.
竞拍一件大家都想要的作品
B.
爬山时你花5元钱买一瓶价值2元的水
C.
天气不好的时候，加价比较容易叫到车
D.
电价根据用电量进行实时计价，每时每刻的电价可能都会不同
【单选题】When economies of scale exist:
A.
per unit production costs increase as output expands.
B.
per unit production costs decline as output expands.
C.
marginal cost must decrease as output expands.
D.
per unit production costs remain constant as output expands.
【单选题】Economies of scale occur when
A.
long-run average total costs rise as output increases.
B.
long-run average total costs fall as output increases.
C.
average fixed costs are falling.
D.
average fixed costs are constant.
【单选题】陈某,30岁。于23:00分娩一女婴,至次晨7:00未排尿,主诉下腹胀痛难忍,查体发现膀胱高度膨胀,对该产妇下列哪项不妥
A.
协助其坐起排尿
B.
让其听流水声
C.
用力按压下腹部
D.
提供隐蔽的排尿环境
E.
施行导尿术
【单选题】When there are economies of scale in production:
A.
long-run average total cost declines as output expands.
B.
long-run average total cost increases as output expands.
C.
marginal cost increases as output expands.
D.
the marginal product of an input diminishes with increased utilization.
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