第7题: [单项选择]The word "portals" (Line 2, Para 4) most probably means" _________". A. university halls B. university values C. university gates/doors D. university classrooms 参考答案:C 答案解析:[解析] 语义理解题。、最后一段中those who pass through their portals是指进入学校读书的人,通常说步人某校的校门指的就是进入该校读书,因此可以推断portals的意
第13题: [单项选择]内环境的稳态是指 A. 细胞内液中各种理化因素保持相对恒定 B. 细胞外液的各种理化性质保持相对恒定 C. 使细胞内、外液中各种成分基本保持相同 D. 不依赖于体内各种细胞、器官的正常生理活动 参考答案:B
第14题: [简答题]What is the purpose ofQ94;the Route Tag field in the RIPv2 message? 参考答案:When another routing protocol uses the RIPv2 domain as a transit domain, the protocol external to RIPv2 can use the Route Tag field to communicate information to its peers on the other side of the RIPv2 domain.