脊柱结核的主要X线表现包括：（）
A.椎体骨质破坏
B.椎间隙变窄
C.骨质增生硬化
D.椎旁冷脓肿形成
E.椎体骨质疏松
参考答案：A, B, D
34．Mr．Barret doesn’t think that all bad language should be allowed．In his opinion, there are _____ that should be kept up．
A．degrees
B．levels
C．limits
D．Standards
Is this TV set___ you wish to have___?
A．the one; repaired
B．which; it repaired
C．the one; it repaired
D．which; repaired
