以下哪项是神经元胞体变性坏死继发的轴突及髓鞘破坏()
A.节段性脱髓鞘
B.华勒变性
C.轴突变性
D.神经元变性
E.axonal degeneration
参考答案:D
It took us more than two hours _______ the dinner.
A.prepare
B.preparing
C.to prepare
D.to be prepared
菌根