题目内容：
划分经济时代和衡量人类控制自然能力并反映社会生产力发展水平的标志是().A．人的劳动
B．劳动对象
C．生产工具
D．生产资料
参考答案：【答案仅供学习，请勿对照自行用药等】
单选：划分经济时代和衡量人类控制自然能力并反映社会生产力发展水平的标志是().A．人的劳动B．劳动对象C．生产工具D．生产资料
- 题目分类：经济学
- 题目类型：单选
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A．人的劳动
B．劳动对象
C．生产工具
D．生产资料
A．人的劳动
B．劳动对象
C．生产工具
D．生产资料
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When a student said "Yesterday I goed to see a friend of mine", which of th...A．
What should the teacher try to avoid when selecting listening activities?A．The l
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Jim has few friends because he is such a __________person.A．belligerent B．gregar
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