若单项式3xm+5y2与﹣5x3y2是同类项,则m的值为____
将基因型为AaBbCc的植株自交,这三对基因的遗传符合自由组合定律,则其后代的表现型应有几种
-- Do you know the woman ______ long hair?
-- No, I don't know her.