病毒具有什么重要基本特征。
An electrician needs to know what type of receptacle is required. What is the most up-to-date resource to identify the plug type for the feature code ordered？（） Infocenter。 ITSO Redbooks。 Facts and Features。 System Planning Tool。
In what order would you execute the following steps to create a recovery catalog？（） a.Issue the create catalog command. b.Create the recovery-catalog database. c.Create the recovery-catalog user. d.Grant the recovery_catalog_owner privilege to the recovery-catalog user. e.Issue the register database command from the target database. a，b，c，d，e。 b，a，d，c，e。 b，c，d，a，e。 b，c，d，e，a。 b，d，c，a，e。
You installed Oracle Database 11g and are performing a manual upgrade of the Oracle9i database. As a part of the upgrade process, you execute the following script: SQL>@utlu111i.sql Which statement about the execution of this script is true?（） It must be executed from the Oracle Database 11g environment.。 It must be executed only after the SYSAUX tablespace has been created.。 It must be executed from the environment of the database that is being upgraded.。 It must be executed only after AUTOEXTEND is set to ON for all existing tablespaces.。 It must be executed from both the Oracle Database 11g and Oracle Database 9i environments.。
某办公楼幕墙工程28层，正立面为单元式玻璃幕墙5600m2，其他部位为石材12000m2和金属幕墙4700m2、明框玻璃幕墙6000m2，采用钢化中空玻璃，幕墙的开启扇采用隐框玻璃上悬窗。
施工过程中，发生了如下事件：
事件一：单元式玻璃组件采用之江牌硅酮结构密封胶。安装过程中金属扣盖采用白云牌硅酮耐候密封胶。层问防火封堵采用白云牌硅酮耐候密封胶。避雷接地每4层做均压环与连接主体接地体有效连接。
事件二：玻璃幕墙工程质量验收划分为11个检验批，每个检验批每500m2抽查一处，每处1Om2。检测报告的石材弯曲强度为7.OMPa，吸水率为1%。石材幕墙采用的铝合金挂件厚度为3.Omm。监理工程师认为存在错误，责令整改。层问防火封堵采用白云牌硅酮耐候密封胶是否正确？写出理由。避雷接地做法是否正确？并写出正确做法。
执行监理单位的指示，是承建单位应承担的（）。
