Compared with those needed for working in an office, the skills for working at home are()
A. much easier
B. totally different
C. almost the same
D. more challenging
翡翠属于硬玉,被誉为“玉石之王”。( )
A. 对
B. 错
Who is being introduced at the meetingMr. John Smith, the new()
二)误操作事故 1994年6月29日,某局110kV变电站值班员张××于11时55分接到地调令:“将#2主变压器由备用退出运行”。这项操作本来只要拉开102母线刀闸即可,但张××和副值班员雷×却手持操作票走错了间隔,误将#1主变压器的101母线刀闸拉开,造成带负荷拉刀闸的恶性误操作事故,致使#1主变压器三侧开关跳闸,全站失压。幸未造成人身伤害及设备严重损坏,于12时03分#1主变压器恢复运行。