参与特异性免疫应答的细胞都带有( )
A.抗原识别受体B.SmlgC.SRBC受体D.促有丝分裂原受体E.MHC编码的产物
参考答案:A
在空格内填上一个适当的完整的单词,该词的首字母已给出。
小题1:I’m so tired that I can h keep my eyes open.
小题2:I want to know more about your city. Can you give me some i about it?
小题3:“Please show your t ,” the man in the theater door said to us.
小题4:“Help y to some fish,” Mom said to my friends.
小题5:The back s of the car is wide (宽的) enough for three people.
药物稳定与否的根本原因在于自身的化学结构,外界因素则是引起变化的条件,影响药物制剂降解的外界因素主要有
A.pH与温度
B.赋型剂或附加剂的影响
C.溶剂介电常数及离子强度
D.水分、氧、金属离子和光线
E.以上都是