Refer to the exhibit. OSPF has been configured on all routers in the network. However, router R1 does not receive a default route to router R2 as in tended. Which configuration change would ensure that R1 would receive a default route from R2? （） Add the area 1 stub command on routers R1.。 Add the always keyword to the default - information originate configuration command on router R2.。 Remov e the default information originate configuration command from router R2 and place it on router R1.。 Add the ip route 5.0.0.0 255.255.255.0 0.0.0.0 command to router R2.。
瘤胃内的微生素可合成（） 维生素D。 维生素K。 维生素C。 维生素A。
分析与综合
民族强迫同化的含义是（）。 指在若干民族的密切交往中，一个民族自然吸收另一个民族的文化，在完全自然的、自愿的情况下逐渐改变直至最后完全丧失自己的民族特征，变成了别的民族的现象。 指一些民族以强制的手段把自己民族的语言、文化和风俗习惯民族特征强加于别的民族，迫使别的民族放弃原有的民族特点从而成为自己民族一部分的过程和结果。 落后民族以武力征服先进民族，结果征服者为被征服者所同化的现象。 一个民族以武力征服其他民族，并压迫和剥削其他民族的现象。
A developer has created a special servlet that is responsible for generating XML content that is sent to adata warehousing subsystem. This subsystem uses HTTP to request these large data files， which are compressed by the servlet to save internal network bandwidth. The developer has received a request frommanagement to create several more of these data warehousing servlets. The developer is about to copyand paste the compression code into each new servlet. Which design pattern can consolidate thiscompression code to be used by all of the data warehousing servlets？（） Facade。 View Helper。 Transfer Object。 Intercepting Filter。 Composite Facade。
在建设项目财务评价中，项目在计算期内净现值为零时的折现率为（）。
