压力容器与相连管道发生严重振动应马上断开电源开关（）。
A.对
B.错
参考答案：A
(2014·湖南郴州五校第二次联考)Not only________to turn off the lights in the kitchen，but we also failed to lock the front door.
A．we forgot
B．forgot we
C．did we forget
D．we did forget
患者久泻不愈，腹部坠胀，少气倦怠，头晕眼花，舌淡脉弱，证属（）
A.气虚证
B.气陷证
C.气血两虚证
D.血虚证
E.气滞证
