独具慧眼。(对的打“√”,错的打“×”)(x,J*M3a:u8v-Y
1.圆锥只有1条高。请选择×√2r'V.U;R3f3B2v(x,J*M3a:u8v-Y
2.圆锥的底面是一个椭圆。请选择×√8R8L3S;u;\+V2K*o*i1b2B'`(x,J*M3a:u8v-Y
3.圆锥有无数条高。请选择×√/K/?+D8B5})t'u*w)E(D(x,J*M3a:u8v-Y
4.圆锥的侧面是一个扇形。请选择√×,j5V:A8R;o)s8G2L2e)\6r(x,J*M3a:u8v-Y
5.圆锥的顶点与底面圆心的连线垂直于底面半径。请选择√×)l3j3o5E4_.L(x,J*M3a:u8v-Y