With VPLS， which protocol is used for label exchange and PW signalling？（） ["MP-BGP","LDP","Directed LDP","MTP","BGP","IGP"]
所罗门作箴言三千句，诗歌一千零五首。记载在哪卷书？哪章？
“关于认真学习贯彻国务院《城市生活无着的流浪乞讨人员救助管理办法》和民政部《城市生活无着的流浪乞讨人员救助管理办法实施细则》的通知”严禁铁路站车人员以任何理由要求站车内发现的无票流浪乞讨人员进行（）或有限制、变相限制人身自由的行为和其他不文明、不礼貌言行。 ["帮工","劳动","帮工、劳动","帮忙"]
Lossless Ethernet for FCoE is achieved through the use of which features？（） [" Priority flow control"," Buffer-to-buffer credits"," TCP retransmission"," Ethernet checksum"," QoS policie"]
生产经营单位与从业人员订立的劳动合同应该包括哪些安全生产方面的内容？
举例说明污染物对细胞的影响。
