脊髓损伤早期处理，治疗的黄金时间是伤后几小时以内（）
A.4小时
B.6小时
C.8小时
D.12小时
E.24小时
参考答案：B
—My foot hurts when I move it.
—You must stay in bed and don't move _____.[ ]
A. much many
B. many much
C. too much
D. much too
血管平滑肌脂肪瘤可表达（）。
A.α-SMA
B.S-100
C.HMB45
D.PNL2
E.A103
