遇到风眼睛就流泪,这属于()
A.无条件反射
B.动力定型
C.第一信号系统
D.第二信号系统
参考答案:A
The further falling of the stock market as reported today has _______ a fresh wave of selling.
A.given off
B.set off
C.put off
D.got off
湿阻的病机主要表现为()
A.湿阻中焦
B.升降失常
C.气血运行不畅
D.痰湿中阻
E.胃气上逆