A:Where is the hospital?
B:What's the hospital?
C:What's wrong with you ?
一抛物线和抛物线y=﹣2x2的形状、开口方向完全相同,顶点坐标是(﹣1,3),则该抛物线的解析式为( )
关于我国夏季气温的叙述正确的是( )