酒精的最适杀菌浓度是（） 60－65％。 70－75％。 80－85％。
Refer to the exhibit. R2 and R3 are routers connected using Ethernet services from a service provider and can receive pings from each other. OSPF is configured as the routing protocol but adjacency is not happening. According to the output of the show commands in the exhibit, what could be the most likely cause of the problem?（） Ethernet interfaces were configured as point-to-point.。 Process IDs are not matching.。 Configured bandwidths do not match on both interfaces.。 Broadcasts and multicast are not being propagated over the Ethernet services.。 OSPF cost does not match on both interfaces.。
怎样通过减少遭遇和冲突来改善道路交通安全状况？
列车通过长大隧道、大桥时，应动员旅客（）。 关闭车窗。 开灯。 打开车窗。 关闭车灯。
合伙企业本身不是法人，不交纳企业所得税（）
1850 TSS支持的OAM类型（）
