Which of the following factors does NOT contribute to the formation of new pronunciation?
A.Back-formation.
B.Loss.
C.Addition.
D.Assimilation.
第7题
A.功血是生殖系统发生器质性病变而子宫出血
B.无排卵型功血好发于青春期和更年期妇女
C.流产后易发生有排卵型功血
D.更年期功血症与肿瘤鉴别
E.排卵型功血分二种
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