有机磷中毒引起的毒蕈碱样症状是（）
A．流涎
B．休克
C．血压升高
D．肌束颤动
E．瞳孔缩小
参考答案：A
A modern teaching building has been set up in ______ was a wasteland ten years ago.
A．what
B．which
C．that
D．where
橡皮线的绝缘层应如何剖削？
