AIDS病免疫功能最重要的检测手段是()
A.流式细胞术
B.速率散射比浊术
C.免疫固定电泳
D.化学发光免疫分析
E.时间分辨免疫荧光技术
参考答案:A
It’s dangerous to let the children who are ____ walk across the crowded street.
A.too young to
B.so young
C.not old enough too
D.so young as to
睫状环阻滞性青光眼的首选治疗方法是()
A.睫状肌麻痹剂
B.缩瞳
C.手术降眼压
D.抗生素