管理心理学认为一个人的工作绩效主要取决于他的（） ["能力和工作难度","能力和激励水平","性格和机遇","价值观与态度"]
What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network when usingthe "show ip bgp" command？（） ["The network was originated via redistribution of an interior gateway protocol into BGP","The network was defined by a static route","The network was learned via IBGP","The network was learned via EBGP","The network was originated via a network or aggregate command"]
某公司预计的年度赊销收入为6000万元，信用条件是（2／10，1／20，n／60），其变动成本率为65％，资金成本率为8％，收账费用为70万元，坏账损失率为4％。预计占赊销额70％的客户会利用2％的现金折扣，占赊销额10％的客户利用1％的现金折扣。一年按360天计算。要求：计算应收账款机会成本。
清初三大家
森林
今后五到十年我国城市社区建设的主要目标是什么？
