1.(2010山东)已知全集UR,集合Mx|x2-40,则( )A.x|-2x2B.x|-2x2C.x|x2D.x|x-2或x2解析:Mx|-2x2, x|x2.故选C.答案:C2.(2009陕西)若不等式x2-x0的解集为M,函数f(x)=ln(1-|x|)的定义域为N, 则MN为( )A.0,1)B.(0, 1)C.0,1D.(-1,0.w。w-w*k&s%5¥u高考资源网w。w-w*k&s%5¥u