()was regarded as father of the American short stories.
参考答案:Washington Irving
输电线电阻为0.5Ω,输送的电功率为100kW,用1kV的电压输电时,输电线上的电流和消耗的电功率为( )
A.2000A;100kW
B.100A;5kW
C.100A;100kW
D.2000A;2000kW
确立图书馆目录体系的依据有哪些?