问题:
[单选] If you will do that, please take me into ________.
If you will do that, please take me into ________.
问题:
[单选] I _______ here two years ago.
I _______ here two years ago.
问题:
[单选] 如果神经纤维动作电位持续时间为2ms,那么,该神经纤维每秒内所能产生和传导的动作电位数不可能超过( )
如果神经纤维动作电位持续时间为2ms,那么,该神经纤维每秒内所能产生和传导的动作电位数不可能超过( )