《气候变化法案》是（）制定的。 A.英国 。 B.美国 。 C.日本 。 D.中国。
Which of the following are considered common elements found in a set of network documents？（Choose all that apply.）（） Building schematic。 IGP community elements。 Listing of interconnections。 Physical topology diagram。 Logical topology diagram。 Inventory of network equipment。
中层数据流程图是对顶层数据流程图的分解，分解的原则是以（）为划分标准。
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. You are going to use the data collector to gather performance data periodically on all instances. You must store all collected data in the same database. This database is hosted on a single instance. Every five hours, you have to collect and load performance data in the management data warehouse. Which data collection process should you implement? （） You should create a cached data collection 。 You should create an on-demand non-cached data collection 。 You should create a scheduled non-cached data collection. 。 You should create two different SQL Agent jobs. The two jobs are scheduled at the same time. One job uploads the data collection and the other job creates a data collection.。
下列关于美国“能源之星”体系说法正确的是（）。 美国国家标准学会制定。 最初应用于汽车。 分为三个等级。 建筑物节能认证是重点。
关于Ⅰ型和Ⅱ型内含子自我剪接说法正确的是（）
