闲暇研究变得具有重要意义要归功于谁？（）A、霍布斯鲍姆 B、蒲鲁东 C、孔德 D、马克思

数学模型

As neither of them would _____, no decision was taken that day. [ ]

A. give out

B. give off

C. give in

D. give up

Practising Chinese kung fu can not only _____ one's strength, but also develop one's character. [ ]

A. bring up

B. take up

C. build up

D. pull up

按照美国教育哲学家谢弗勒对教育陈述的分类，“教育是对人心灵的陶冶”属于

A．教育的描述性定义

B．教育的纲领性定义

C．教育口号

D．教育隐喻

构成人们行为的要素包括什么？