【单选题】以下不属于信息化战争的发展趋势的是( ):
【判断题】“若 是函数 的极值点,则曲线 在点 处必有平行于 轴的切线”的命题是
【简答题】Some people have the ideas that nothing can be done about their poor reading ability.They feel hopeless about it.Can you learn to read better, or must you agree that nothing can be done about it? To b...
【简答题】下面结论正确的是( ). A.若x0是函数的极值点,则必有f'(x0)=0 B.若f'(x0)=0,则x0一定是函数的极值点 C.可导函数的极值点必定是函数的驻点 D.可导函数的驻点必定是函数的极值点