阀控式密封蓄电池设备宜放置在有空调的机房内，机房温度不宜超过（）˚C。 ["20","30","25","35"]
下面这段代码中，变量subString的结果是（）。 Dim aStringAs String="Left Center Right" Dim subStringAs String subString=aString.SubString（1，4） [""_Left"",""Left_"",""Left"",""eft""]
群体对于公开性耐用品如汽车、珠宝购买的影响力表现在（） ["对品种的选择影响大","对品牌的选择影响大","对品种和品牌的选择影响都大","对品种和品牌的选择影响都小"]
绞车司机使用绞车前，必须进行如何操作，确认无误后方可开车？（） ["检查绞车稳设是否牢固","信号是否畅通灵敏可靠","钢丝绳断丝情况","绳卡子紧固情况"]
What is the default value that a PBX or Cisco Unity Express uses to select a voice-mail mail box?（） ["Last Called Number ","Last Redirect Number ","Original Called Number ","Original Redirect Number ","Forward Redirect Number&e"]
行政法律关系的主体
