Refer to the exhibit. EIGRP has been configured on routers R1 and R2. However, R1 does notshow R2 as a neighbor and does not accept routing updates from R2. What could be the cause ofthe problem?() ["The no auto-summary command has not been issued under the EIGRP process on bothrouters","Interface E0 on router R1 has not been configured with a secondary IP address of 10.1.2.1\/24","EIGRP cannot exchange routing updates with a neighbor’s router interface that is configuredwith two IP addresses","EIGRP cannot form neighbor relationship and exchange routing updates with a secondaryaddre"]
邓小平在我党一贯倡导的“实事求是”前面加上一个“解放思想”,其理论意义在于()。 ["冲破“两个凡是”的束缚","实现党的工作重心的转移","探索建设有中国特色社会主义的道路","强调解放思想是实事求是的前提"]
简述城市文化的功能。
下列单元格说法中有错误的是() ["输入公式时,要选定计算结果放置的单元格,输入结束回车后,计算结果会代替公式在单元格中填充。","如果列可变,而行不能变,则表达式写成B$3。","如果行可变,列不变,则表达式写成$B3。","B3为绝对单元格表示。"]
某医务工作者在给一HbeAg阳性患者采血时,不小心刺破手指,下列哪项处理最为重要() ["立即酒精消毒","接种乙肝疫苗","肌注高效价乙肝免疫球蛋白","肌注高效价乙肝免疫球蛋白,接种乙肝疫苗","定期复查肝功能和HBV-IgM"]
试论述利用太阳能的优缺点。