不得向医疗机构提供
A.献血者年龄25岁健康男子B.不得采集血液的对象C.不合格的血液D.献血者年龄18~55岁E.采血新技术
参考答案:C
The hunter _____ his gun against the tree and ____ down for a rest.
A.lay /laid
B.laid / lay
C.lied / lay
D.laid / lied
患者静脉抽血时多采用坐位。站立15分钟后抽血,可使血脂浓度约提高()
A.4%
B.8%
C.12%
D.16%
E.20%