放置宫内节育器常规为月经干净后
A.1~5天
B.2~6天
C.3~7天
D.4~8天
E.5~9天
参考答案:C
After living in Quanzhou for five years,she has developed quite an__for the city.
A.association
B.affection
C.appointment
D.encouragement
不是甾体激素的是().
A.雌酮
B.雌二醇
C.黄体酮(孕酮)
D.睾酮
E.卵泡刺激素