现代汉字偏旁有哪些类别？举例说明。
爱国主义、集体主义情感属于（） ["情绪","直觉的道德情感","想象的道德情感","伦理的道德情感"]
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."]
认知学习
《诗经》是我国第一部诗歌总结。春秋时代人们称它为（）和（）。
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。
