This is my new friend. He's _____ England. [ ]
A. in
B. of
C. at
D. from
答案:D
为判断脊柱骨折脱位是否并发脊髓损伤,下列哪项检查最重要()。
A.X线摄片
B.CT
C.MRI
D.神经系统检查
E.腰穿作奎肯试验及脑脊液生化检查