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【多选题】
下面哪些状态出现时,企业一定保本?( )A.
达到保本点的作业率为零
B.
收支相等
C.
安全边际率为零
D.
边际贡献等于固定成本
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反馈参考答案：
举一反三
【判断题】One volt is defined as that magnitude of electromotive force required cause a current of one ampere to pass through a conductor having a resistance of one ohm.
A.
正确
B.
错误
【多选题】寡头垄断市场的特征包括( )
A.
厂商之间存在着相互依存性
B.
厂商的决策相互影响
C.
寡头厂商的 竞争手段多种多样,包括使用非价格手段
D.
寡头厂商之间只存在竞争而不存在合作
【简答题】One ohm is defined as that amount of that will limit the current in a conductor is one ampere when the voltage applied to the conductor is one volt.( 一个横线填写一个单词 )
【单选题】{One ohm is defined as the amount of resistance in a circuit so that when one volt is applied to the circuit, one ampere of current will flow.}
A.
ampere
B.
true
C.
false
D.
omega
【简答题】One Ohm is defined as that amount of resistance that will limit the current in a conductor to one ampere when the voltage applied to the conductor is one volt.
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