导致不孕的子宫性因素有（）
A.子宫畸形
B.子宫浆膜下肌瘤
C.宫腔粘连
D.子宫内膜分泌反应不良
E.子宫内膜息肉
参考答案：A, C, D, E
运用学过的汉字形体演变知识，“中国印”上“京”字字体是[ ]
A、甲骨文
B、金文
C、隶体
D、篆书
I feel sure that ______ qualification, ability and experience, our headmaster is abundantly equal to the position we have in mind.
A．in case of
B．in terms of
C．in the opinion of
D．in the course of
