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本篇阅读材料形体政治学选自《经济学人》(原文标题：Gesture politics)，如果大家觉得比较简单，就当作泛读材料了解了解，认识几个新单词或新表达方式也不错。如果大家觉得这些材料理解上有难度，不妨当做挑战自己的拔高训练，希望大家都有进步^^ Science and technology 科学及技术 Human communication 人类交流 Gesture politics 形体政治学 People talk a lot, but their hand signals may conveymore useful information 虽然人类主要通过语言交流，但是一些手势往往能传达更多有用的信息。 Silence is golden 沉默是金 IT IS received wisdom that humanity owes a lot of its evolutionary success to its remarkableability to communicate. 人类在进化上的成功大部分归功于其非凡的交流能力已经成为一个被接受的常识。 So much so, in fact, that few have bothered to test this hypothesis in any systematic way. 尽管如此，事实上还没有人系统地验证过这一假设。 Now, a group of researchers led by Andrew King, of the Royal Veterinary College in Britain, has tried to plug this gaping hole. | 
