The character mode sales report is stored on the network drive as a .REX. You need to make changes to the report layout. Using the report builder how would you change this file?（） Open the file using the menu option file->open make the changes and recompile the report. 。 Convert the file into .REP file using the report compiler make the changes and convert the file back to a .REX file. 。 Execute the R30CONV command to convert the file to a .RDF file, make the changes and convert the file back to a .REX file. 。 Choose file -> administration->compile. Convert the file to a .REP file, make the changes and convert the file back to a .REX file. 。 Execute the R30CONV command to convert the file to a .REP file, make the changes and convert the file back to a .REX file.。
海伦1301的灭火原理（） 冷却原理。 隔离。 参与燃烧过程的化学抑制切断燃烧的反应链。
职工应当参加工伤保险，由用人单位和职工共同缴纳工伤保险费。
患者，男性，28岁，鼻部疖1周，3d前不慎挤压患处，病情加重。检查：体温38℃，脉搏90/min，两眼四周均红肿，鼻部疖附近红肿更明显，局部不压时不痛，患者神志清楚，配合治疗良好。化验检查白细胞计数为12*l09/L。应考虑已并发（） 脓毒症。 毒血症。 蜂窝织炎。 海绵状静脉窦炎。 痈。
Redo log files are multiplexed in your database. The disk in which you have one of the redo log members is highly fragmented. In the process of defragmentation you lose the redo log member， which is not a member of the current group. How would you recover from the loss of the redo log member？（） SMON would automatically restore the lost file.。 You would need to restore the whole database from the last backup.。 You would need to restore the file from the last full database backup.。 You would need to use flashback technology to restore the lost redo log member.。 You would need to use Recovery Manager （RMAN） to restore the lost redo log member.。 You would need to restore the missing log file by copying one of the remaining files from the same group.。
寡头垄断市场区别于其他市场结构的一个重要特征是（）
