舌痿的病机是()
A.寒凝肝脉
B.痰浊内停
C.血热兼瘀
D.风痰阻络
E.气血虚极
参考答案:E
Why not stay at home ______ the road is so slippery after the heavy snow?
A.in case
B.as long as
C.now that
D.even if
极谱波的产生是由于在电极反应过程中出现何种现象引起的()
A.电化学极化
B.离子的迁移
C.浓差极化
D.离子间的对流