下列不是周围神经病的病理改变的是()
A.华勒变性
B.轴索变性
C.神经元变性
D.节段性脱髓鞘
E.炎性脱髓鞘
参考答案:E
_____that the girl with an incurable disease would die soon, the boy decided to help her make her last days beautiful and meaningful.
A.Being found out
B.Found out
C.To find out
D.Having found out
某学生在探究活动中,把一根铁钉放入烧杯中并注入一定量的硫酸铜溶液,一段时间后能观察到的现象有:
①生铁表面______,
②溶液逐渐由______色变为______色.请写出该反应的化学方程式______;该反应的基本类型为______反应.