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My name is Liu Ying . I'm a Chinese girl. I study in Yuhua Middle School. Every morning I get up at 6:00. I have breakfast at 6:30. I go to school at 7:30 a.m.. Classes begin at 8:00 a.m.. We have four classes in the morning and two in the afternoon. I have lunch in the school canteen(餐厅) at 11:50 a.m.. Afternoon classes start at 12:30 and end at 2:30 p.m. After school we often play games. I get home at about 4:00 p.m. I have dinner at 5:30 p.m. In the evening I do my homework. Sometimes I watch TV. I go to bed at about 10:00 p.m.
My name is Liu Ying . I'm a Chinese girl. I study in Yuhua Middle School. Every morning I get up at 6:00. I have breakfast at 6:30. I go to school at 7:30 a.m.. Classes begin at 8:00 a.m.. We have four classes in the morning and two in the afternoon. I have lunch in the school canteen(餐厅) at 11:50 a.m.. Afternoon classes start at 12:30 and end at 2:30 p.m. After school we often play games. I get home at about 4:00 p.m. I have dinner at 5:30 p.m. In the evening I do my homework. Sometimes I watch TV. I go to bed at about 10:00 p.m.
的输电线输电给500km外的用户，其输出电功率是3×106kW。现用500kV电压输电，则下列说法正确的是（）
