A．5A
B．5A
C．5/2A
D．/2A
答案：C
用间接法免疫荧光技术检测组织中的抗原，应将荧光素标记
A．抗原
B．相应抗体
C．抗免疫球蛋白抗体
D．抗原-抗体复合物
E．抗C3抗体
---________ pieces of bread do you want? ---Two, please. And ________ are they?
A．How many, how much
B．How much, how much
C．How many, how many
D．How much, how many
A
/2
/2A