题目内容
物质资料生产方式是人类社会存在和发展的基础，实践性是社会生活的本质，人类社会统一于物质。
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为什么说，社会实践，特别是劳动，在意识的产生和发展中起着决定性的作用？
Trade exhibitions were considered as a seperate industry whichwas inextricably linked with other industries.
We are , for the most part, collegial creatures , though we often usehigh-tech electronic systems to copmmunicate.
The interactive nature of exhibitions ,by which visitors may not onlyget new ideas, but talk them through eith experts online, is much apppreciated.
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