【单选题】函数 的极值点为x=0.25 , 该点是极大值还是极小值及原因()。
【简答题】缺乏长远打算,导致一些短期行为出现的预算编制方法是增量预算法。()
【单选题】(函数的极值点)函数 的极大值点和极大值分别为( )
【简答题】利用 通路可估算放大器的静态工作点;利用 通路的等效电路可以近似估算放大器的输入电阻、输出电阻和电压放大倍数。
【单选题】There is somebody at the door. ______ I go and see who it is? [ ]
【判断题】There is somebody here who wants to speak to you.
【单选题】— There is somebody at the door, who it be? Is it the postman? — No, it be him, it's just six o'clock. It's too early. [ ]
【单选题】There is somebody waiting for you______ I think might be one of your classmates. [ ]
【单选题】There is somebody to answer the phone at the office.
【简答题】利用________通路可以近似估算放大电路的静态工作点。