第10题: [多项选择]What are two reasons for using a virtual link in OSPF?() A. Provides fast convergence times. B. Supports connections of multiple backbones. C. Eliminates the need for a Designated Router. D. Supports non direct connections to the backbone. 参考答案:B,D
A. the muscular sense is more important than any other sense B. muscular sense involves automatic perception C. there are many more than 500 involuntary muscles in the body D. muscle tissue is inflexible 参考答案:C 答案解析:推理题。该试题要求找出文中暗含但未直接陈述的内容,这道题难度稍微有些大。文章最后一段中有“The voluntary muscles...number more than five hundred”,