休克时胃肠道黏膜缺血、缺氧可使正常黏膜 ( )
A.内皮细胞B.尿量减少C.再灌注损伤D.网状内皮细胞受损E.上皮细胞屏障功能受损
参考答案:A
—How did she get infected?
—She _______ the viruses without any protection.
A.exposed to
B.had exposed to
C.was exposed to
D.been exposed to
在转化率65%-80%范围内,转化率每上升()ROM可增加0.6-2.0。
A.5%
B.8%
C.10%
D.15%