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【多选题】
引发电气火灾的初始原因有多种,请从下列选项中选择3 种最主A.
。
B.
电路接触不良
C.
带电改接电气线路
D.
线路或设备过电流运行
E.
电热器挨近可燃物
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【简答题】Suppose that changes in bank regulations expand the availability of credit cards so that people need to hold less cash(假设银行监管改革使得信用卡的使用更广泛,因此人们可以持有较少的现金). If the Fed does not respond to this , wh...
【简答题】Suppose that changes in bank regulations expand the availability of credit cards so that people need to hold less cash. a. How does this affect the demand for money? b. If the Fed does not respo...
【判断题】Using regulations to force a natural monopoly to charge a price equal to its marginal cost of production will cause the monopoly to lose money and exit the industry.
A.
正确
B.
错误
【简答题】Suppose that changes in bank regulations expand the availability of credit cards so that people need to hold less cash. a. How does this affect the demand for money? b. If the Fed does not respo...
【单选题】Using government regulations to force a natural monopoly to charge a price equal to its marginal cost will
A.
cause the monopolist to exit the market.
B.
improve efficiency.
C.
raise the price of good.
D.
attract additional firms to enter the market.
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