黄体酮撤退试验(-)可能为
A．卵巢囊肿
B．早孕
C．子宫黏膜下肌瘤
D．卵巢功能衰退
参考答案：B, D
-Plain living and working are the fine of the Chinese people.
A．habits
B．customs
C．qualities
D．quantities
正常人血液比重为
A．1.0１0-1.0２0
B．1.0３0-1.0４0
C．1.0５0-1.0６0
D．1.0７0-1.0８0
