巷道坡度大于多少时,严禁人力推车?
参考答案:千分之七
He was ill , _______he still went to school on time.[ ]
A. but
B. and
C. or
D. /
组织内部的职工个人工作等级、职位的升降指的是事业生涯的()
A.横向变动
B.纵向变动
C.斜向变动
D.向核心的变动