主要Ig的特性和功能中,“天然血型抗体”属于()
A.IgG
B.IgM
C.IgA
D.IgD
E.IgE
参考答案:B
As we stood on the top of the hill, we could see the beautiful scene that ____ before us. [ ]
A. had spread
B. has spread
C. spread
D. spreads
孕妇24岁,G1P0,孕39周,入院前一天 * * 大量流水,24小时后行缩宫素引产,第一产程5小时,第二产程10分钟,胎儿娩出后,患者 * * 出血约300ml,不凝。
确诊的依据是()
A.早破水史
B.产后 * * 大量流血
C.有休克表现
D.母体下腔静脉血中检查出毳毛
E.使用过缩宫素