《关于调整“亮剑行动”政策的通知》中，增加产品加送回馈内容，属于加送内容的有（） ["宽带","手机阅读","信息化产品包","IMS"]
试述企业的概念与特征。
电流互感器交接试验，35kV电压等级电流互感器介质损耗角正切值tanδ应不大于（）%。 ["1.0","1.5","2.0","2.5"]
电力系统受到大扰动后，各同步电机保持同步运行并过渡到新的或恢复到原来稳态运行方式的能力称为（） ["静态稳定","暂态稳定","动态稳定","功角稳定"]
On average, a successful lawyer has to talk to several（）a day. ["customers","supporters","guests","client"]
Citytalk基站容量比（）大。
