神经细胞静息电位的形成机制
A．K+外流+Na+内流B．K+平衡电位C．K+外流+Cl-外流D．Na+内流+Cl-内流
参考答案：B
My friend Jim _____ a computer and he often _____ it. [ ]
A. have; use
B. has; use
C. have; uses
D. has; uses
对富某和徐某应如何进行处罚(只答处罚原则)
