执行如图所示的伪代码,则输出的结果为____
—The man at the gate _______ be our headmaster. He is always standing there every morning.
—No, it _______ be him. He is holding a meeting in the office now.
函数f(x)=x33+x2﹣3x﹣4在0,2上的最小值是( )
为了公平正义,公民参与政治生活要坚持哪些基本原则?