在个人独资企业中，独资人承担有限责任。（）
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."]
班干部的产生方式通常采用临时指定的形式。
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"]
简述静态投资回收期的优缺点。
