以下不属于经济调控手段特点的是（）
A.通过市场机制起作用
B.强制性
C.间接性
D.非歧视性
参考答案：B
To her anger, when she sat down, she found a piece of paper on her desk _____ “Stupid Sarah got a D!”
A．that saying
B．on which written
C．that was read
D．saying
人参配莱菔子在药物七情配伍关系中属（）
A.相使
B.相畏
C.相杀
D.相反
E.相恶
