在希沃白板5中,判断对错的课堂活动,不可以设定难度
A. 对
B. 错
希沃白板5设定蒙层后,可以在备课模式下看到蒙层与揭示效果。
A. 对
B. 错
W: I was waiting for you to call me last night. You know I really needed my bicycle to go to the library.M;Oh, I'm so sorry. I was playing a computer game with my roommate and completely forgot. You know what, _______________________.Q: What will the man probably do?B He will give the bicycle back right now.
神经细胞的膜电位从-70mV变化到-110mV的过程称为( )。
A. 反极化
B. 超极化
C. 去极化
D. 复极化