电子公文流转系统不能传递涉密文件.
参考答案：错
He was born ________ the morning of December 8th. [ ]
A. in
B. on
C. at
D. of
下列哪些为卵巢良性肿瘤（）
A.纤维瘤
B.无性细胞瘤
C.黄素囊肿
D.输卵管卵巢囊肿
E.卵泡囊肿
