14世纪被称为“诗圣”的人是（） ["但丁","彼特拉克","薄伽丘","布克哈特"]
You need to configure port security on switch R1. Which two statements are true about this technology？ （） [" Port security can be configured for ports supporting VoIP."," With port security configured， four MAC addresses are allowed by default."," The network administrator must manually enter the MAC address for each device in order for the switch to allow connectivity."," Withsecurity configured， only one MAC addresses is allowed by default. "," Port security cannot be configured for ports supporting VoIP."]
某公司的章程规定公司董事、高级管理人员的行为须经公司董事会同意，下列各项中，该公司董事、高级管理人员未经董事会的同意所发生的行为，属于应当禁止的行为有（） ["将公司资金借贷给他人","与本公司订立合同","以公司资产为他人债务提供担保","为他人经营与其所任职公司同类的营业"]
在‘一带一路’建设中，要积极开展体育交流活动，支持沿线国家申办（）。 ["世博会","残奥会","奥运会","重大国际体育赛事"]
在社会主义初级阶段，我国必须坚持和完善（）的基本经济制度。
强度
