What TCP/IP stack configuration features can DHCP provide, in addition to assigning an IP address? (Choose three.)（） ["default gateway","DNS servers","FTP server","helper address","subnet mask","TFTP server"]
编制政府投资项目项目建议书时，投资估算的精确度与初步设计概算的误差一般不超过（） ["±10%","±15%","±20%","±25%"]
违规操作设备造成后果，属于（）问题。 ["红线","A1","A2","B"]
法律体系中最高级别的是（）。 ["行政法规","行业规章","法律","地方法规"]
铁路稽查人员凭（）可以在车内验票。 ["工作证","稽查证件","出差证","佩戴稽查臂章"]
从当前学生评价改革的趋势来看，学生评价的原则是什么？
