咳声不扬，痰黄难咯的病机是（）
A.痰湿阻肺
B.热邪犯肺
C.燥邪犯肺
D.肺肾阳虚
E.寒邪犯肺
参考答案：B
鉴别排卵性功血或无排卵性功血，哪项检查是无意义的（）
A.BBT测定
B.月经干净后3天行宫腔镜下活检
C.经前行宫颈黏液结晶检查
D. * * 脱落细胞涂片检查
E.激素测定
He is a teacher with a lot of ______. He often tells us many of his interesting _____ in Africa.
A．experiences; experience
B．experience; experience
C．experience; experiences
D．experienced; experience
