—Is this her watch?

—_____.      [ ]

A. No, it is

B. Yes, it isn't

C. No, it isn't

D. No, it not

人工流产时易发生子宫穿孔的是（）。

A.初孕子宫

B.经孕子宫

C.前倾屈子宫

D.后倾屈子宫

E.哺乳期子宫