电流型漏电保护装置的额定动作电流在（）者属于高灵敏度型漏电保护装置。
A、27mA～1A
B、30mA以下
C、1A以上
D、1A以下
参考答案：B
通过试算平衡检查账簿记录后，如果左右平衡就可以肯定记账没有错误。（）
—How was the 2008 Beijing Olympic opening ceremony?
—________ that the whole world was attracted.
A．It was very fantastic
B．Such fantastic was it
C．So fantastic was it
D．So fantastic it was
