What occurs on a Frame Relay network when the CIR is exceeded?（） [" All TCP traffic is marked discard eligible."," All UDP traffic is marked discard eligible and a BECN is sent."," All TCP traffic is marked discard eligible and a BECN is sent."," All traffic exceeding the CIR is marked discard eligible."]
赵某投保了一份终身寿险险合同，2001年1月5日赵某应缴费而未缴费。
赵某的合同在2002年1月还有效吗？如果已无效，还能恢复合同吗？
下列哪种情绪比其他情绪更具有感染性（） ["恐惧","快乐","悲哀","愤怒"]
宗教性和艺术性在哥特式教堂中的结合？
下列金融工具当中，属于第二性证券的是（）。 ["国库券","银行存款","企业债券","股票"]
金融脆弱性
