典型的宫颈黏液羊齿状结晶主要受哪种激素影响()
A.雌激素
B.孕激素
C.FSH
D.HCG
E.雄激素
参考答案:A
It is ______ day. The children are playing in the garden.[ ]
A. fine
B. the fine
C. a fine
D. am fine
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