The experiment conducted in Newcastle University shows that——. According to the passage,early humans——.

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问题 The experiment conducted in Newcastle University shows that——.
According to the passage,early humans——.

选项 A、were less selfish than the present—day people_______.
B、were more co-operative in nature
C、had to he co-operative to survive
D、had to behave better than the present—day people

答案C

解析 根据这篇文章,早期的人类——。A.不如现代的人自私B.实质上更具有合作性C.为了生存不得不与人协作D.不得不比现代人更礼貌 线索:参看上题。本文中只有第四段里提到了It may arise from behavioral features that devel oped when early humans formed social groups to strengthen their chances of survival.这可能源于早期人类为了增加生存的机会组成社会群体而发展的行为特征,因此,早期的人们团结协作 是为了生存。故C是正确答案。
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