题干
单词拼写
One day Eddie and Hobo looked at the ____. Eddie thought he saw a____but Hobo thought it was a ____. Because Hobo saw one ____. Eddie thought there were many bright ____and it was too____, so it couldn't be a plane.
答案(点此获取答案解析）
Sky,UFO,plane,yesterday,lights,small
的输电线输电给940km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
