习惯性晚期流产最常见的原因()。
A.胚胎发育异常
B.子宫畸形
C.甲状腺功能低下
D.宫颈内口松弛
E.胎儿染色体异常
参考答案:B, D
________ I know, the place where we used to ________ our flag has become a modern teaching
building.[ ]
A. So far as; rise
B. As far as; raise
C. As long as; rise
D. So long as; raise
党的()是党内监督的专门机关。