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【单选题】
Suppose the demand curve for a good is very flat and the supply curve for the good is very steep. If the government taxes this good,A.
buyers and sellers will each share 50 percent of the burden, regardless of the slopes of the demand and supply curves.
B.
sellers will bear a larger share of the tax burden and buyers will bear a smaller share of the burden.
C.
the distribution of the burden will depend upon whether the buyers or the sellers are required to send the tax to the government.
D.
the amount of tax revenue collected by the government will depend upon whether the buyers or the sellers are required to send the tax to the government.
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举一反三
【单选题】电压u的初相角为Φu=30°,电流的初相角Φi=-30°,电压u和电流i的相位关系应该是( )
A.
同相
B.
反相
C.
电压超前电流60°
D.
电流超前电压60°
【单选题】电压 u 的初相角 Φu=30° ,电流 i 的初相角 Φ i =-30° ,电压 u 与电流 i 的相位关系应为( )。
A.
同相
B.
反相
C.
电压超前电流 60 °
D.
电压滞后电流 60 °
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