—This slice of bread is too small. May I have a bigger________ ?

—Yes. Here you are.

A．one

B．slice

C．bread

D．it

为明确诊断可借助的方法

A．肌注新斯的明1.0mg

B．荧光血管造影检查

C．裂隙灯检查

D．EOG检查

E．VEP检查