放置皮下埋植剂的常规时间是（）。
A.药流术后立即
B.人流术后立即
C.月经前7天内
D.月经开始7天内
E.月经周期的任何一天均可
参考答案：D
_____, Mother will wait for him to have dinner together.
A．However late is he
B．However he is late
C．However is he late
D．However late he is
主报表是基于______创建的报表。
A．表
B．查询
C．具有主键的表
D．对集
