半夏泻心汤证的主证是（）
A.心下痞
B.肠鸣
C.呕吐
D.噫气不除
E.下利
参考答案：A, B, C, E
A business firm reduces the number of hours its employees work from 40 hours per week to 36 hours per week while continuing to pay the same amount of money. If an employee earned x dollars per hour before the reduction in hours, how much does he earn per hour under the new system ？（）
A.A
B.B
C.C
D.D
E.E
练习瑜伽常见的误区有哪几种？
