损益表结构分析是以( )为100%,计算相关指标占其的百分比。
A.净利润
B.销售收入净额
C.销售成本
D.销售利润
参考答案:B
产后胎盘分泌的激素的变化哪项是错误的
A.HCG产后2周内消失
B.HCG产后2周内不消失,可疑胎盘残留
C.HPL产后7小时即测不出
D.HPL如持续时间长,有利于乳汁分泌
E.碱性磷酸酶产后3~6天内消失
I’ll never understand how it __________ that you were late three times a week.
A.came up with
B.came across
C.came about
D.came out