不能引起Ⅰ型超敏反应的抗原是()
A.螨
B.花粉
C.同种异型抗原
D.某些药物
E.鸡蛋
参考答案:C
解析:
同种异型抗原主要引起Ⅱ型和IV超敏反应。
看图补全单词。
1. 2. 3. 4.
sch__ __l p__ __cil g__ __l s__d
Parents ___ much importance to education. They will do their best to give their children that priceless gift.
A.attach
B.pay
C.link
D.apply