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【判断题】
(判断题)景区(点)导游人员亦称讲解员,其职责重点就是负责所在景区(点)的导游讲解,解答游客的问询。A.
正确
B.
错误
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举一反三
【单选题】Diseconomies of scale are associated with:
A.
a downward sloping long-run average total cost curve.
B.
an upward sloping long-run average total cost curve.
C.
a horizontal long-run average total cost curve.
D.
a vertical long-run average total cost curve.
【单选题】When there are diseconomies 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.
average fixed cost increases as output expands.
D.
marginal cost decreases as output expands.
【单选题】Diseconomies of scale occur in
A.
the long run, but not the short run.
B.
the short run, but not the long run.
C.
both the short run and the long run.
D.
neither the short run nor the long run.
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