抗原分子诱导宿主产生应答的能力称为（）。
A．宿主反应性
B．免疫原性
C．免疫反应性
D．抗原刺激性
E．免疫原性和反应原性
参考答案：B
看图，判断对“√”错“×”。
( ) 1. Are they his shorts?
( ) 2. Whose dress is this?
( ) 3. They are my shoes.
什么叫烧结矿固体燃耗？
Are they his shorts? 
Whose dress is this? 
They are my shoes.