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搜题
【单选题】
One of Sara's New Year's resolutions was to exercise more, so she bought an annual membership to the local gym that allows unlimited visits with no additional cost per visit. Unfortunately, the gym is so crowded and noisy that Sara leaves every day with a headache. According to marginal analysis, Sara should:A.
continue using the gym for the year since she has already paid for the membership.
B.
join another gym only if a membership is cheaper at the new gym.
C.
join another gym only if she can get a refund on her current membership.
D.
stop using the gym.
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举一反三
【单选题】下列不属于破产费用的是（ ）
A.
因债务人不当得利所产生的债务
B.
破产案件的诉讼费用
C.
管理、变价和分配债务人财产的费用
D.
管理人执行职务的费用、报酬和聘用工作人员的费用
【简答题】常用的距离测量方法有( )和( )