When your teacher told you to stop daydreaming and pay attention, she might actually have helped improve your mood as well as yo

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问题     When your teacher told you to stop daydreaming and pay attention, she might actually have helped improve your mood as well as your school performance—if the findings of a new study on mind wandering are anything to go by.
    The research, published in Science, shows that a wandering mind—whether you’re fantasizing about your sunny honeymoon or reflecting on a terrible divorce—is linked to low mood.
    To study the relationship between mind wandering and happiness, Harvard doctoral student Matthew Killingsworth and psychology professor Daniel Gilbert created an iPhone app(应用程序)which contacted participants at random times during the day to ask about their mental state and their mood. The results showed that people’s minds wandered a lot. regardless of what they were doing. What’s more, people reported feeling less happy when their minds wandered than when they didn’t—even when the tasks at hand weren’t enjoyable.
    The direction in which the mind ran off was also found to be unrelated to the person’s current situation and didn’t lift his or her mood, even when tuinking about pleasant things. In other words, when people were doing fun things, their minds didn’t necessarily go to pleasant places, nor did people seem to be able to escape unpleasant tasks by drifting into a better mental spot. "When people are engaged in doing unenjoyable tasks, even when they’re thinking about pleasant things, it’s not having a positive impact.That’s surprising to me, " says Killingsworth.
    On the other hand, the study did find that negative mind wandering was associated with even more unhappiness. And, in general, the researchers found that what a person was thinking about was a better predictor of happiness than whatever he or she was doing in that moment.
    But that’s not to say that mind wandering is all bad: innovative ideas and insights often arise through free association. And being able to plan and strategize effectively requires a focus on the future, not the now. "There’s no doubt that this capacity is beneficial in a variety of ways and it’s certainly very possible that a lot of creative thinking involves mind wandering, " says Professor Gilbert.
What can we learn from the research published in Science?

选项 A、Daydreaming can help improve students’ school performance.
B、Mind wandering has a negative effect on a person’s mood.
C、Paying attention is very important to school performance.
D、Reflecting on terrible events does not result in low mood.

答案B

解析 根据题干关键词the research published in Science定位到第二段:The research,published in Science,shows that a wandering mind——whether you’re fantasizing about your sunny honeymoon or reflecting on a terrible divorce—is linked to low mood.这项发表于《科学》上的研究表明走神——不管你是在憧憬充满阳光的蜜月还是在反思可怕的离婚——都与情绪低落有关。B)项是原文的同义转述,故为答案。
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