周期性麻痹
参考答案:
甲状腺功能亢进患者若反复发作弛缓性瘫痪,发作时血钾降低,称为周期性麻痹。
__________ I saw her, I fell in love with her.[ ]
A. For the first time
B. At the first time
C. The first time
D. From the first time
磨削只用于机械加工的最后一道精加工或光整加工工序。