Th2细胞主要分泌
A.IFN-αB.IL-4C.IFN-γD.TNF-βE.IL-2
参考答案:B
____________________students are required to take part in the boat race.
A.Ten strong young Chinese
B.The Chinese strong young
C.Chinese ten young strong
D.Young strong ten Chinese
在液体表面进行汽化的过程称为()
A.蒸发
B.沸腾
C.蒸发和沸腾
D.凝结