具有内分泌功能的卵巢肿瘤是（）
A.成熟畸胎瘤
B.颗粒细胞瘤
C.浆液性囊腺癌
D.内胚窦瘤
E.卵巢转移性肿瘤
参考答案：B
Her life ________ a lot during the last three years.
A．changed
B．changing
C．has changed
D．will change
关节结核的X线表现如何?
