为确诊肾结核,下列哪项有决定意义
A.尿中查出结核杆菌B.有附睾结核C.有膀胱刺激症状D.肾盂造影片示肾盏边缘不齐,有虫蛀样阴影E.PCR测定结核杆菌阳性
参考答案:A
(2013·高考陕西卷)Although Rosemary had suffered from a serious illness for years,she lost________of her enthusiasm for life.
A.some
B.neither
C.none
D.all
下列哪一项不属于ELISA测定方法中所必需的试剂()
A.固相的抗原或抗体
B.酶标记的抗原或抗体
C.酶作用的底物
D.戊二醛交联剂
E.终止剂