脊柱结核的表现为()
A．椎旁脓肿形成
B．椎间盘破坏
C．椎间隙狭窄或消失
D．椎体骨质破坏
E．以上全对
参考答案：E
Can you tell me _____?[ ]
A. how old she is
B. how old is she
C. she is how old
D. how old are you
简述汽车物流的组成。
