【单选题】下列关于直通车ROI的说法正确的是:( )
B.
如果直通车ROI低于自然搜索ROI,那么应立即撤销该直通车推广
C.
广义直通车ROI的算法是(直通车直接成交金额+间接成交金额)/直通车花费
D.
广义直通车ROI的算法是直通车直接成交金额/直通车花费
【单选题】听力原文:M: Hi, Miss Rowling, how old were you when you started to write? And what was your first book? W: [22] I wrote my first finished story when I was about six. It was about a small animal, rabbit, I...
A.
It was about a little animal.
B.
It took her six years to write.
C.
It was adapted from a fairy tale.
D.
It was about a little girt and her pet.
【单选题】胎心减速与宫缩关系不恒定,出现时下降迅速,幅度大,恢复也迅速
【单选题】胎心减速与宫缩关系不恒定,出现时下降迅速,幅度大,恢复也迅速,提示
【单选题】胎心减速与宫缩关系不恒定,出现时下降迅速,幅度大恢复也迅速,一般认为相关因素为
【单选题】胎儿监护时胎心减速与宫缩关系不恒定,出现时下降迅速,幅度大,恢复也快,提示
【简答题】胎心减速与宫缩关系不恒定,出现时下降迅速,幅度大,恢复也迅速
【单选题】胎心减速与宫缩关系不恒定,出现时下降迅速,幅度大,恢复也迅速
【单选题】压力调节关断活门在气源系统的作用是() 1.调节压力 2.调节温度 3.引气关断 4.为空调系统调节流量