可以立即行输卵管结扎术的情况是()
A.月经干净后5~10天
B.人工流产后
C.正常产后48~72小时
D.哺乳期未转经者
E.分娩后2周
参考答案:B
一个闹钟的分针长6厘米,从上午10点到10点30分,分针的针尖移动了多少厘米?分针旋转过的面积是多少平方厘米?
When she returned back by abroad, she told us all about her experience as an illegal immigrant.()
A. by
B. back
C. from
D. back from