HIV-抗体初筛的血清发生溶血时是否对检测值有影响?
参考答案:
有,易出现假阳性结果,应注意血清采集与保管及运送。
氧化锌丁香油水门汀的性能特点是()
A.对牙髓有安抚作用
B.不溶于唾液
C.对牙髓有较强刺激作用
D.抗压强度好
E.可作为永久黏接使用
Look out! The traffic is _____ fast _____ we can't cross the street now. [ ]
A. too; to
B. enough; to
C. so; that
D. such; that