反映内皮细胞受损的指标有()
A.vWF降低
B.血小板降低
C.内皮素生成降低
D.束臂实验阳性
E.6-酮-PGF1α降低
参考答案:D, E
The heroic story that the university student had saved a peasant’s life hit the ________ in China Youth Daily.
A.results
B.efforts
C.rewards
D.headlines
感染病原体后机体仅发生特异性免疫应答而无明显症状,此种表现属于()
A.病原携带状态
B.潜伏性感染
C.显性感染
D.病原体被清除
E.隐性感染