可确诊输卵管妊娠流产或破裂的辅助检查是
A.妊娠试验B.腹部检查C.血常规检查D.X线检查E.后穹窿穿刺
参考答案:E
The children were not ________ for the accident.
A.blamed
B.to be blamed
C.being blamed
D.to blame
亚硫酸钠可用作维生素C注射液的抗氧剂。