银行货币中表现为国家负债的部分,当被国家规定为法定支付手段时就成为银行信用货币。()
挫折如果是由于不合理的原因或被人恶意造成时,最容易产生的情绪是() ["愤怒","悲哀","厌恶","恐惧"]
水资源保护的概念。
The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch. What must be done to ensure that this new switch becomes the root bridge on the network?() [" Lower the bridge priority number."," Change the MAC address of the switch."," Increase the VTP revision number for the domain."," Lower the root path cost on the switch ports."," Assign the switch an IP address with the lowest value."]
某画家将一幅油画捐赠给博物馆收藏,该画的著作权属于谁?
1998年11月5日,王某通过某保险公司的保险代理人黄某,投保了养老保险及附加重大疾病保险和意外伤害医疗保险,缴费方式为年缴。1999年1月4日,由于缴费时间快超过了条款规定的宽限期,王某第二天又要到外地出差,就将保险费交给了黄某,委托他代缴。不巧的是,黄某的父亲病危,他必须立即回老家,缴费时间耽误了两天,王某的保单刚好过了规定的宽限期,处于失效的状态。黄某想等王某出差回来,向王某解释一下,由自己垫付保费利息,再办理保单复效手续。真是“天有不测风云”,王某出差返回途中遭遇车祸,经抢救治疗,王某痊愈出院,但住院期间,王某花费了2万多元医疗费用,遂向保险公司索赔。请根据案情,回答如下问题:王某主要依据所投保的什么险种进行索赔。