DIC患者出血与下列哪一项因素关系最为密切
A.凝血因子合成减少
B.凝血因子激活障碍
C.凝血因子大量消耗
D.抗凝物质增多
E.血管壁通透性升高
参考答案:C
Someone is knocking at the door. It my mother. It's time for her to be back. [ ]
A. can be
B. may not be
C. must be
D. mustn't be
这个相关散点图表示()
A.相关很高,是正相关
B.相关很高,是负相关
C.相关很低,是正相关
D.相关很低,是负相关