神经纤维锋电位上升支的形成是由于
A.K+外流 B.K+平衡电位 C.Na+内流 D.Na+平衡电位 E.Ca2+内流
参考答案:C
—Thanks for ___ me join your trip.
—You’re welcome.[ ]
A. agreeing to let
B. agreeing let
C. to agree to let
D. agreeing letting
A.
B.
C.
D.