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Passage 1
短文1
New research from America studies the role that the presence of individuals from different social or racial groups has in influencing consumers' food choices.
美国的一项新研究，探索了来自不同社会或种族群体的个体在影响消费者食物选择方面的作用。
This research found college students were more likely to choose healthy food in the presence of an observer of a different race, as opposed to an observer from their own race.
这项研究发现，大学生更有可能在不同种族的观察者面前选择健康食品，而不是在自己种族的观察者面前。
The same was true when they were with someone from a different university, compared to someone from their own.
当他们和来自不同大学的人在一起，而不是和自己大学的人在一起时，情况也是如此。
Researchers say this was because participants anticipated more negative judgment from an outsider group.
研究人员称，这是因为参与者预期外部群体会有更多的负面评价。
In contrast, they felt less judged by members of their own group.
相比之下，他们觉得自己的群体成员对他们的评价更少。
In one experiment, participants were offered the choice between candy and fruit as a snack.
在一项实验中，参与者可以选择糖果和水果作为零食。
When in the presence of an unknown student from their own university, only 12 per cent of students selected the healthier option.
当有来自自己大学的陌生学生在场时，只有12%的学生选择了更健康的选择。
However, this number was 31 per cent when in the presence of ae unknown student from another university.
然而，当有来自另一所大学的不知名学生在场时，这一数字为31%。
Other experiments showed similar results based on racial group.
其他基于种族的实验也显示了类似的结果。
What's the reason for this pattern? The study found that people feel judged to a larger extent by members of other groups.
这种模式的原因是什么？研究发现，人们会在更大程度上感到被其他群体的成员评判。
Because of this, they strategically use healthy food choices to make a positive impression.
正因为如此，他们策略性地选择健康的食物来给人留下积极的印象。
There have been many attempts to help consumers make healthier choices, but consumers often struggle to maintain a healthy diet.
已经有很多尝试帮助消费者做出更健康的选择，但消费者往往难以保持健康的饮食。
This research finds that one way to promote a healthy diet could be to advertise the social benefits of healthy choices.
这项研究发现，推广健康饮食的一种方法可能是宣传健康选择的社会效益。
Questions 16 to 18 are based on the passage you have just heard.
请根据你刚刚听到的文章回答16 - 18题。
Question 16: What was the finding of the new research from America about consumers' food choices?
问题16. 美国关于消费者食物选择的新研究发现了什么？
Question 17: . When did 31 per cent of students in the experiment select the healthier option?
问题17. 实验中31%的学生什么时候选择了更健康的食物？
Question 18: How could a healthy diet be promoted according to the findings of the new research?
问题18. 根据这项新研究的发现，如何促进健康饮食？
