关于直流电机能耗制动原理叙述正确的是（） ["接入直流电源产生作用相反的转矩","输入电枢的电压产生反向转矩","系统机械能转变成电能消耗在电阻上","接入交流电源产生作用旋转的转矩"]
（）是对特定刺激的应答，具有不随意性，如食物刺激味蕾分泌唾液。 ["自发性行为","应答性行为","操作行为","工具性条件反射"]
You can use Oracle Flashback to look at past activity in your database. What are two other characteristics of Oracle Flashback？（） ["Oracle Flashback uses undo information to construct consistent data. ","You can use a cursor opened while using an Oracle Flashback image to perform DML once you deactivate Oracle Flashback in your session. ","You can only use Oracle Flashback view of the data if the required records are still in the online redo log files. ","Oracle Flashback lists the DML that was executed during the period you identify when initiating your session.&e"]
宋代理学家强调个体道德修养必须经过由内圣达于外王的过程，他们一般将这个过程分为修身、齐家、（）、（）等几个步骤。
法约尔是如何对管理定义的？
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