Which two design recommendations are most appropriate when OSPF is the data center core routing protocol? （） [" Never use passive interfaces."," Use NSSA areas from the core down."," Use totally stub areas to stop type 3 LSAs."," Use the lowest Ethernet interface IP address as the router ID."," Tune OSPF timers to enable OSPF to achieve quicker convergence."]
激发社会组织活力，使其在治理国家事务和社会事务中发挥积极作用的同时，要加强对社会组织的（）。 ["控制","管理","制约","制裁"]
产品成本计算的基本方法和辅助方法的划分依据是（）。 ["成本计算对象","生产组织特点","成本计算是否简便","对于计算实际成本是否必不可少"]
按照布鲁纳区分概念的类型，“笔”有可以握在手中和用于书写的工具特征，如果一样东西要称为笔就必须满足这两个条件，所以，“笔”是一个合取概念。
西方诗歌的主流是（）。 ["抒情诗、史诗","叙事诗","史诗、叙事诗","抒情诗"]
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