药效学的相互作用:
A.两种药物的性质均发生变化
B.两种药物的副作用均减少
C.两种药物的作用均发生改变
D.一种药物改变另一种药物的作用
E.两种药物的作用互不干扰
参考答案:D
抗体分子中与抗原结合的部位是
A.CH1B.CLC.CH2D.CH3区E.VH与VL区
()is the motor carrier service between different cities domestically.
A.Point to point truck
B.City to city truck
C.Domestic intercity trucking
D.Domestic transportation