同时，埃默里大学的大二学生奥利维亚·鲁宾说，她几乎不认为在家完成的考试是真正的考试。

Meanwhile, Olivia Rubin, a sophomore at Emory, says she hardly even considers take-homes true exams.

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为了验证这种可能性，亚特兰大埃默里大学的爱米·波利克和弗朗斯·德瓦尔对一些黑猩猩和他们的近亲倭黑猩猩的手势和表情进行了研究。

To examine that possibility Amy Pollick and Frans de Waal, of Emory University in Atlanta, Georgia, have looked at gestures and expressions in chimpanzees and their cousins, bonobos .

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