You have an Active Directory forest that contains three sites named Site1， Site2， and Site3. Each site contains two Exchange Server 2007 Client Access servers， two Mailbox servers， and two Hub Transport servers. All Exchange Server 2007 servers have Exchange Server 2007 Service Pack 1 （SP1） installed. You need to ensure that you can deploy Exchange Server 2010 servers in Site1. You must achieve this goal by using the minimum amount of administrative effort. What should you do（）？ ["Upgrade all Client Access servers in the organization to Exchange Server 2007 Service Pack 2 （SP2）.","Upgrade all Exchange Server 2007 servers in Site1 to Exchange Server 2007 Service Pack 2 （SP2）.","Upgrade all Exchange Server 2007 servers in the organization to Exchange Server 2007 Service Pack 2 （SP2）.","Upgrade all Exchange Server 2007 servers in Site1 and all Client Access servers in the organization to Exchange Server 2007 Service Pack 2 （SP2）."]
当事业单位及其工作人员有（）行为的，则依据《财政违法行为处罚处分条例》的规定进行处罚、处理、处分。 ["A.以虚报、冒领等手段骗取财政资金 ","B.擅自占有、使用和处置国有资产 ","C.擅自提供担保 ","D.未按规定缴纳国有资产收益"]
当改变了实例的属性，其对应元件的相关属性会不会改变？（） ["会改变","不会改变","有些属性会改变","随机的无规律可寻"]
商业助学贷款中，对借款人贷后检查的主要内容不包括（）。 ["借款人是否按期足额归还贷款","借款人的住所、联系电话有无变动","借款人工作待遇是否能达到还款水平","有无发生可能影响借款人还款能力或还款意愿的突发事件"]
定量库存控制模型和定时库存控制模型最大的差别是（）的变化。 ["订货点","订货成本","订货批量","订货周期"]
叉车的稳定性是指？
