【多选题】惰行工况下,沿轨道前进方向作用在列车上的力有( )。
【多选题】制动工况下,沿轨道前进方向作用在列车上的力有( )。
【判断题】心理学家艾宾浩斯最早进行了遗忘发展进程研究,绘制了经典的遗忘曲线,表明遗忘的规律是先快后慢。( )
【单选题】After her death, her papers—including unpublished articles and correspondence—were deposited at the library.
【多选题】牵引工况下,沿轨道前进方向作用在列车上的力有( )。
【单选题】Her uncle told her that it is ______ that she was brought up after her mother's death.
A.
a retired old professor
B.
from a retired old professor
C.
with a retired old professor
D.
by a retired old professor
【判断题】招标的主要条件之一有招标范围内所需要的资金已经到位。