Refer to the exhibit.Why are two OSPF designated routers designated routers identified on Core-Router？（） ["Core-Router is connected more than one multi-access network","The router at 208.149.23.130 is a secondary DR in case the primary fails.","Two router IDs have the same OSPF priority and are therefore tied for DR election","The DR ecection is still underway and there are two contenders for the role"]
《〈重庆市专业技术人员继续教育条例〉实施办法》已经（）年2月6日市人民政府第66次常务会议通过。 ["2006","2007","2005","2008"]
《水利水电工程施工合同条件》规定，指定分包人的特点有（）。 ["由发包人选择的分包人","与发包人签订合同","由承包人负责管理协调","与承包人签订合同","经承包人同意"]
选择招标方式时主要考虑因素包括（）。 ["A.工程项目的特点 ","B.图终和技术资料的准备情况 ","C.招标单位的管理能力 ","D.业主与施工单位的关系 ","E.施工的专业技术特点"]
“心理健康就是能工作、能恋爱。”的提出者是（） ["弗洛伊德","荣格","米特尔曼","马斯洛"]
物流管理的总原则是（）
