The experiment conducted in Newcastle University shows that——. The phrase“sheds light on”in Paragraph 4 probably means“——”.

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问题 The experiment conducted in Newcastle University shows that——.
The phrase“sheds light on”in Paragraph 4 probably means“——”.

选项 A、hints at
B、makes clearer
C、points to
D、further proves

答案B

解析 第四段“sheds light on”意思可能是“_______”。  A.暗示B.解释的更清楚C.指向D.进一步证明 线索:从第四段可以看出,It may arise from behavioral features that developed when early humans formed social groups to strengthen their chances of survival.For social groups to work,individuals had to cooperate,rather than act selfishly.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,这些群体要运转,每个人都需要与他人合作,而不是私自行动。因 此,研究者相信这样的结果清楚明白地显示出来人类的进化历史。故B是正确答案。
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