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【单选题】
某工程中暗装单相 5 插座( 12 元 / 套)共 110 套,根据下表中所列数据计算:该插座的主材费应为( )元。A.
1450.02
B.
1346.4
C.
1320
D.
1243.44
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反馈参考答案：
举一反三
【简答题】收入弹性(income elasticity)
【简答题】期权弹性(option elasticity)
【单选题】If the short run elasticity of supply for a product is 0.8, in the long run elasticity, supply:
A.
Is inelastic.
B.
Is unit elastic.
C.
Is inelastic.
D.
Any of the above could be true of the product’s long run elasticity of supply.
【单选题】The difference between slope and elasticity is that_________.
A.
slope is a ratio of two percentage changes, and elasticity is a ratio of two changes
B.
slope is a ratio of two changes, and elasticity is a ratio of two percentage changes
C.
none of the above; there is no difference between slope and elasticity
D.
slope measures changes in quantity demanded more accurately than elasticity
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