题型:问答题 简答题 — Did Mary go to the exhibition yesterday? — Yes, but she _____ at home. [ ]A. may have stayed B. must stay C. should have stayed D. was staying 查看答案
题型:问答题 简答题 关于子宫解剖,错误的一项是A.子宫前面的腹膜覆盖膀胱形成子宫膀胱陷凹返折B.子宫后面腹膜向下返折形成道格拉斯陷凹C.子宫内膜的基底层可以再生功能层D.子宫峡部的下界为解剖学内口,上界为组织学内口E.子宫峡部在妊娠晚期可以扩张到7~10cm 查看答案