_________ should not be allowed to go out at night.
A:Twelve-years-old
B:Twelve-year-olds
C:Twelve year old
D:Twelve years olds
小李用如图所示装置实验,下列叙述错误的是( )
已知双曲线 x2a2 ﹣ y2b2 =1(a>0,b>0)的两条渐近线与抛物线y2=2px(p>0)的准线分别交于A、B两点,O为坐标原点,若双曲线的离心率为2,△AOB的面积为 3 ,则该抛物线的标准方程是____.