（）的作用方向恒定，与运动方向无关。 ["反抗转矩","离心式转矩","位能转矩","恒功率转矩"]
You performed an incomplete recovery on your Oracle Database 10g database using the following command： SQL> RECOVER DATABASE 2 UNTIL TIME ’2004-08-05：12：10：03’ 3 USING BACKUP CONTROLFILE； In which situation would the above recovery be required？（） [" A user table was lost at the specified time."," A redo log file was lost at the specified time."," The backup control file is on a faster disk than the current one."," The current control file has a different path compared with the intended time of recovery."," The current control file does not match the physical structure of the database at the intended time of recovery."]
分子机械理论
You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups， and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file？（） ["Restore all the data files and open the database","Create the data file and performtablespacerecovery","No need to restore any file， just recover the database","Restore only the system data file and recover the database","Restore only lost date file and performtablespacerecovery"]
下述关于药物毒性反应的叙述，正确的是（） ["一次用量超过剂量","长期用药","病人对药物高度敏感","病人肝或肾功能低下","病人对药物过敏"]
民事诉讼中的禁制令包括哪几种？
