圆心在x轴上,半径为3,且和直线x=2相切的圆的方程是( )。
(x+1)2+y2=9或(x-5)2+y2=9
—Do you like talking with your friends on the telephone or mobile phone?
—_______. I enjoy using QQ. [ ]
A. Either
B. Neither
C. None
D. Both
如果周三经两次依法传唤,均以农忙为由拒不到庭,法院能否应当开庭审理为什么