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  3. Children whose minds wander might have sharper brains, research suggests. A study has found that people who appear to be constan

Children whose minds wander might have sharper brains, research suggests. A study has found that people who appear to be constan

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问题     Children whose minds wander might have sharper brains, research suggests. A study has found that people who appear to be constantly【B1】______have more "working memory," giving them the ability to hold a lot of information in their heads and【B2】______it mentally. Children at school need this type of memory on a daily basis for【B3】______ tasks, such as following teachers’ instructions or remembering dictated sentences. During the study, volunteers were asked to perform one of two simple tasks during which researchers checked to ask if the participants’ minds were wandering. At the end, participants measuredtheir working memory capacity by their ability to remember【B4】______letters interspersed with simple math questions. Daniel Levinson, a psychologist at the University of Wisconsin-Madison in the United States, said that those with higher working memory capacity reported "more mind wandering during these simple tasks," but their performance did not【B5】______. The results, published online in the journal Psychological Science, appear to【B6】_____previous research that found working memory allows humans to juggle multiple thoughts simultaneously. What this study seems to suggest is that, when【B7】_____for the task aren’t very difficult, people who have additional working memory resources【B8】_____them to think about things other than what they’re doing. Working memory capacity is also【B9】_____general measures of intelligence, such as reading comprehension and IQ scores, and also offers a window into the widespread, but not well【B10】_____, realm of internally driven thoughts.
【B3】
选项
答案a variety of
解析 根据空格所在位置及句意可知，空格处应填入形容词修饰tasks。结合录音可填入a variety of，意为“多重的”。
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