当采用多相供电时，同一建筑物、构筑物的电线绝缘层颜色选择应不一致，即保护地线(PE线)应是黄绿相间色，零线用淡蓝色。( )
参考答案：错
_____ by the latest electronic toys, the little boy stood in front of the windows, without moving.
A．To be arrested
B．Arrested
C．Having arrested
D．Arresting
地质交底会应介绍哪些内容？
