女性生殖器恶性肿瘤放疗效果最好的是
A．绒毛膜癌B．子宫内膜腺癌C．卵巢无性细胞瘤D．子宫肉瘤E．卵巢未成熟畸胎瘤
参考答案：C
— She got her first science fiction published. It turned out to be _____.
— When was that?
— It was in 2009 _____ she was still in college.[ ]
A. success; that
B. a success; when
C. success; when
D. a success; that
就我国而言，正式的学校产生于（）。
A.夏朝
B.唐朝
C.明朝
D.清朝
