人民群众这一历史唯物主义概念属于（）。
A.阶级范畴
B.经济范畴
C.永恒范畴
D.历史范畴
参考答案：D
There were a lot of computers at the exhibition, to my satisfaction, _______ of which would have suited me perfectly.
A．none
B．either
C．any
D．neither
尿急是指
A．入睡后不自主排尿
B．排尿时不受自主控制
C．尿液滴沥
D．排尿时有迫不及待感
E．排尿时 * * 痛
