Guess what? The university has accepted my application!
Wow! That's __________ news I've heard this year, Boris! Let's celebrate.( )
A.a worseB.the worstC.a betterD.the best
集合,则()
若直线与曲线有公共点,则的取值范围是()
已知双曲线:的离心率为2.若抛物线的焦点到双 曲线的渐近线的距离为2,则抛物线的方程为()
命题“”为真命题的一个充分不必要条件是()
若函数的图象如右图所示,则下列函数正确的是( )