任何条件下,成本毛利率与销售毛利率存在换算关系。( )
参考答案:错
She ________ a model before she _______ a superstar.
A.have been, became
B.had been, become
C.had been became
D.has been, become
以暴力或者其他方法公然侮辱他人或者捏造事实诽谤他人,情结严重的行为,构成()罪或()罪。