A:where; that
B:that; where
C:which; that
D:which; where
如今互联网已走进千家万户,以下说法不正确的是( )
细胞中最重要的结构是( )
若椭圆x2a2+y2b2=1(a>b>0)与双曲线3x2a2﹣3y2b2=1共焦点,则双曲线的渐近线方程为( )