某股份有限公司按法定程序报经批准后采用收购本.公司股票方式减资，购回股票支付价款低于股票面值总额的，所注销库存股账面余额与冲减股本的差额应计入（）。 ["盈余公积","营业外收入","资本公积","未分配利润"]
企业投资建设涉及的（）等公共性问题，需要政府核准的建设项目在现阶段应进行经济分析。 ["交通运输","国家经济安全","影响环境资源","公共利益"]
在新生产力研究中，新氮的来源包括（）、（）、（）、（）。
《煤矿安全监察条例》规定：煤矿建设工程安全设施和条件未经验收或者验收不合格，擅自投入生产的，由煤矿安全监察机构责令（）。 ["关闭","停止生产","停止使用"]
Your company has three Active Directory domains in a single forest. You install a new Active Directory enabled application. The application ads new user attributes to the Active Directory schema. You discover that the Active Directory replication traffic to the Global Catalogs has increased. You need to prevent the new attributes from being replicated to the Global Catalog. You must achieve this goal without affecting application functionality. What should you do（） ["Change the replication interval for the DEFAULTIPSITELINK object to 9990.","Change the cost for the DEFAULTIPSITELINK object to 9990.","Make the new attributes in the Active Directory as defunct.","Modify the properties in the Active Directory schema for the new attributes."]
何谓金属离子置换修饰？简述其主要修饰过程和作用。
