Question

已知直线m、n和平面、满足m⊥n，m⊥，⊥则

A. n⊥                                       B. n∥或n

C. n⊥                                     D. n∥或n                           

Answer 1

D  ∵m⊥n,m⊥α,α⊥β,∴若nα,则满足上述条件.

若nα,则n∥α显然是成立的.故选D.