【判断题】( )在单相半波可控整流电路中,调节触发信号加到控制极上的时刻,改变控制角
【单选题】某施工单位在某项目结束后,聘请某会计师事务所进行了查账,在此过程中发生了10万元的聘请费用,则该费用属于( )。
【单选题】The goal-setting theory states that ________.
A.
employee participation in goal-setting is not always necessary for ensuring performance
B.
self-generated feedback is largely ineffective as a motivator
C.
in order to maximize performance, goals must not be made public
D.
motivation is maximized by setting moderately challenging goals
【判断题】在单相半波可控整流电路中,调节触发信号加到控制极上的时刻,改变控制角的大小,就实现了控制输出直流电压的大小。
【单选题】某项目在实施过程中发现材料成本发生了大的变化,现在项目部组织人员分析成本变化的原因,在分析过程中,首先应分析( )对材料成本的影响。
【判断题】( )在单相半波可控整流电路中,调节触发信号加到控制极上的时刻,改变控制角的大小,就实现了控制输出直流电压的大小。
【判断题】在单相半波可控整流电路中,调节触发信号加到控制极上的时刻,改变控制角的大小,无法控制输出直流电压的大小。
【单选题】( ) Which of the following best summarizes the relationship between goal setting and need for achievement findings?
A.
Goal setting is superior because it recommends setting difficult goals.
B.
They are incompatible theories but there is no empirical research to support either claim.
C.
Difficult goals are still recommended for most people because only 10-20 percent of people are high achievers.
D.
Goal setting is not needed with high achievers.
【单选题】I'm too hungry. Bring me some ______, please. [ ]
【单选题】I ’m too hungry. Bring me some ______, please.