直达旅客列车饮食供应实行（）经营服务 ["全程","全天","一日多餐","一日三餐"]
运动生物力学
Refer to the exhibit. What type of issue does this error log indicate if the IP address in the error log is located off of the Router A WAN?（） ["HSRP standby configuration error","HSRP burned-in address error","HSRP secondary address configuration error","this is not an HSRP problem，but rather an STP error or router or switch configuration issue"]
《动车组列车服务质量规范》配备（）等应急物品，电量充足，性能良好。 ["照明灯","扩音器","充电器","充电宝"]
经济全球化
花曲
