Which two statements correctly identify considerations to take into account when deciding on Campus QoS Design elements?（） [" Voice needs to be assigned to the hardware priority queue."," Voice needs to be assigned to the software priority queue."," Call signaling must have guaranteed bandwidth service."," Strict-priority queuing should be limited to 50 percent of the capacity of the link."," At least 33 percent of the link bandwidth should be reserved for default best-effort class."]
中国古代美学家中，把“情”与“景”、“心”与“”物结合起来认识的是（）
血凝素是流感病毒的主要表面抗原，诱导机体产生中和抗体。
某企业本月生产甲产品，月初在产品费用与本月投入生产费用合计为20000元，月末 在产品费用为1500元。该产成品发生可修复废品损失1000元；发生不可修复废品成本2000元；废品残料作价500元入库；由过失人赔偿300元。甲产品合格品187件。计算合格品单位成本。
就经济的可行性而言，下列哪些风险适合保险（） ["发生频率高，损失程度大","发生频率高，损失程度小","发生频率低，损失程度大","发生频率低，损失程度小"]
在中国（）时代自然事物真正作为审美对象进入人的视野。
