中央型腰椎间盘突出症和马尾神经瘤最有意义的鉴别点是
A．鞍区麻痹B．脊髓造影C．腰穿脑脊液检查D．肛门括约肌功能检查E．X线片检查
参考答案：B
当前股票的内在价值为( )元。
A．54.3
B．56
C．57.5
D．59.5
I don't have ____________ homework today.[ ]
A. many
B. any
C. some
