25岁已婚女性,平素月经规律,现停经54天,黄体酮试验无出血,最可能的诊断为
A.子宫内膜结核
B.卵巢早衰
C.早期妊娠
D.继发闭经
E.垂体性闭经
参考答案:C
—Did the radio say ________?
—Yes, from Hunan.
A.how the bad rice came
B.where the bad rice came from
C.how did the bad rice come
D.where did the bad rice come from
心率越大,心动周期越长。 [ ]