主动转运
参考答案：主动转运指细胞通过本身的某种耗能过程，借助载体将某种物质的分子或离子由膜的低浓度一侧移向高浓度一侧的过程。
—Oh, Mum, just a few minutes．
—Hurry up, Harry, or by the time you pack your belongings, the flight ____.
A．has left
B．will have left
C．had left
D．will be leaving
受教育者学习、修养和内在化的客体是( )。
A．德育规律B．德育原则C．德育内容D．德育方法
