下列不属于离线式巡更特点的是（）
A.不需要信号传输电缆
B.实时性好
C.安装简单
D.造价低廉
参考答案：B
.
Though an active politician, she succeeded in balancing the _______ she played both at home and in society.
A．characters
B．parts
C．performances
D．activities
宋代开国宰相赵普曾有“半部（）治天下”的名言。
A.《论语》
B.《荀子》
C.《孟子》
D.《韩非子》
