—Did you find the small village yesterday ?

— Yes, without any difficulty, for it has         changed over years.

A．hardly

B．greatly

C．clearly

D．nearly

免疫比浊法最大的优点是（）

A.简便快速

B.高通量

C.易于自动化

D.无放射性污染

E.适合大批量标本的检测