工作心肌细胞动作电位1期的形成，主要是由于（）
A.Cl-内流
B.K+外流
C.Na+内流
D.Ca2+内流
E.K+内流
参考答案：B
Ruth is __ than Rose,but Rose is ___ than Ruth. [ ]
A.intellectualler;more outgoing
B.more intellectual;outgoinger
C.more intellectual;more outgoing
D.more intellectual;outgoing
上诉
