经调度许可的连续停电,夜间不停电的线路,工作地点的接地线可以不拆除,但次日恢复工作前应派人检查。
参考答案:错
The 29th Olympic Games, in Beijing in 2008, was a great success. [ ]
A. to play
B. played
C. playing
D. to be played
下列先天性心脏病中,行右心导管检查时,心脏及大血管不同部位血氧含量一般无变化的是()
A.法洛四联症
B.室间隔缺损
C.房间隔缺损
D.动脉导管未闭
E.卵圆孔未闭