重庆市2014高考英语阅读理解一轮(精品)训练题(8)附答案
People seem to always love themselves. When put to a test, we are willing to go an extra mile for our friends.
In an experiment,people were asked to squat (深蹲) against a wall, which became increasingly painful with time. They were told to keep squatting for as long as they could, and paid 1 dollar for every second. People performed the exercise five times, once for themselves and four times for their friends or partners.
The result paints a more selfless picture of society than we might expect these days. Of the 17 people,,ten squatted longer for their friends or partners. Some people squatted twice as long for their closest friends as for themselves.
Dr Freya Harrison said,
"I think that if our results stand in general and people really do go the extra mile for close friends, it points to the importance of cooperation in our species. It suggests that keeping social relationships and ' working together have been important roles in the success of humans as a species."
A study found people were unwilling to squat any longer for their brothers or sisters than for themselves. "Maybe that's because friends are a lot more important in deciding social benefits than brothers and sisters," Dr Harrison said. Perhaps we can depend on help from parents or brothers and sisters because people almost have no reason for helping someone who has the same genes (基因) as them.
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