卵巢皮样囊肿（）
A.是最常见的卵巢良性肿瘤
B.有恶性程度的逆转倾向
C.HCG升高
D.CA125升高
E.具有男性化作用
参考答案：A
项目可行性研究的厂址选择是项目的()。
A．布局
B．选位
C．选点
D．定址
The teacher asked me _____. [ ]
A. when was I born
B. if I could speak English
C. what did I like best
D. where the way to your school is
