神经-肌肉接头的结构特点是()
A. 接头前膜为运动神经元轴突末稍
B. 接头前膜为自主神经末稍
C. 接头后膜有N2受体
D. 接头后膜有M受体
E. 为迷走神经与心肌之间功能联系的部位
神经-肌肉接头兴奋传递特征有()
A. 电-化学-电传递
B. 单向传递
C. 有突触延搁
D. 有空间总和,无时间总和
E. 不易疲劳
Will CFO(chief financial officer) go to the trade fair( )in Paris next week?
A. hold
B. to be held
C. holding
D. to hold
I can not find the key to the office. I remember ( ) it into my handbag last night.
A. to put
B. put
C. to be put
D. putting