教学事件指的是教学所包含的经过设计的、外在于学习者的一套用于支持内部学习过程的事件，由（）提出。 正确。 错误。
The system administrator did a new install of AIX on a server about a week ago. The system was not rebooted after the installation. CDE is running on this system as is TCPIP. The system administrator has started configuring the system percompany directives. The power cable was inadvertently disconnected from the wall causing the sever to lose power. Upon reboot, the system appears to hang during log in from the console or from Xterminals. Which of the following is the most probable cause?（） 正确。 错误。
城市生态社区建设的途径是什么？ 正确。 错误。
气瓶的容积单位名称常用"升"（L）来表示。1000升等于（） 正确。 错误。
Examine the following RMAN command： RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON； RMAN> BACKUP DATABASE PLUS ARCHIVELOG； Which prerequisite must be met before accomplishing the backup？（） 正确。 错误。
含氯固体垃圾的焚烧处理是城市二噁英污染的主要来源。
