2.已知点M(x0M(x_{0}M(x0,y0)y_{0})y0)在圆x2+y2=2x^{2}+y^{2}=2x2+y2=2外,则直线x0x+y0y=2x_{0}x+y_{0}y=2x0x+y0y=2与圆的位置关系是((( )))