Which two characteristics are true of IVRs? （） [" They are known as fabric routing."," They cannot span multiple switches."," Their connectivity is supported by Layer 2."," They enable devices in different VSAN fabrics to communicate."," They require that multiple switch fabrics be merged before they can function."]
突破思维定势是（） ["创新的需要","人类进步的需要","科学发展的需要","新事物诞生的需要"]
产品成本计算的分步法，是按照产品的（）归集生产费用，计算产品成本的一种方法。
李某系香港人，因涉嫌故意杀人罪被甲公安局刑事拘留。李某聘请王某担任其律师，王某提出会见李某，则（） ["甲公安局应当在四十八小时内安排会见","王某会见在李某需要聘请翻译人员的，应当经甲公安局准许","会见时，甲公安局根据案件情况可以派员在场","甲公安局以案情重大为由拒绝王某会见"]
科学上用三要素进行力的描述，这三要素是力的（）、方向和作用点。
认知学习
