哪些类型的对象从 MemberInfo类检索？（） FieldInfo class。 MethodInfo class。 Assembly class。 Type cla。
《中国21世纪议程》通过标志着我国绿色建筑发展已经进入（）。 萌芽阶段。 基础研究阶段。 标准体系建立阶段。 高速发展阶段。
关于HTML语言下列说法正确的是（） HTML是（HyperText Markup Language）的首字母缩写，中文被称作“超文本标签语言”。 HTML文件中可以插入图形、声音、视频等多媒体信息。 在HTML文件中，用户可以建立与其他超文本的链接。 HTML是纯文本类型的语言，可以使用任何文本编辑器打开，查看、编辑。
大数定律
You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. The server has a very large database named DB1. An application which is constantly available uses DB1. Now you get a report from users, in the report users complain that server has a poor performance. As the technical support, you have to improve the performance of the application by using the Database Engine Tuning Advisor. Besides this, you must make sure that the action of analyzing the workload will not affect the performance of the production server.So what should you do?（） On the local server, enable the XP_MSVER stored procedure 。 On the remote server, enable the XP_MSVER stored procedure. 。 On the production server, use the dta.exe utility along with an XML input file. 。 You should configure a test server that has a similar hardware configuration. Use the dta.exe utility on the test server along with an XML input file。
Which of the following characteristics applies only to OSPFv3 and not to OSPFv2？（）
