凡经常与人和物体碰、触的(),宜用管套保护,导线接头处必须用绝缘胶布包好。禁止用湿手接触电器设备。
A、通信线
B、信号线
C、照明线
D、动力线
参考答案:D
-There was hardly anything left after the earthquake, ______?
-______. People had to rebuild their houses.[ ]
A. wasn't there, Yes
B. was there, No
C. wasn't there, No
D. was there, Yes
初产妇,27岁,妊娠39周,规律宫缩16小时,破膜4小时,宫口开大2cm,S0,胎心144次/分。正确的处理是( )
A.肌注大剂量哌替啶 B.立即行人工破膜 C.温肥皂水灌肠D.静脉滴注缩宫素加强宫缩 E.立即剖宫产