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  3. Scientists say they now have proof to support the old-fashioned advice that

Scientists say they now have proof to support the old-fashioned advice that

游客2025-07-25  12
问题     Scientists say they now have proof to support the old-fashioned advice that it’s best to sleep on a problem. They say sleep strengthens the memory and helps the brain organize the masses of information we receive each day.
   Lead researcher Bob Stickgold at the Harvard Medical School said, "Sleep helps us draw rules from our experiences. It’s like knowing the difference between dogs and cats, even if it’s hard to explain. "
   The US research team studied how well students remembered connections between words and symbols (象征), reports New Scientist. They compared how the students performed if they had had a sleep between seeing the words and having the test, and if they had not slept. They found that people were better able to remember lists of related words after a night’s sleep than after the same time spent awake during the day. They also found it easier to remember themes (主题) that the words had in common. But they forgot around one in four more themes if they had been awake. Prof. John Groeger, of Surrey University’s Sleep Research Centre, said, "People have been trying for years to find out what the purpose of sleep is, as we know that only certain parts of it have a restorative (有助恢复的) value. "   “We form and store huge numbers of experiences in the head every day, and sleep seems to be the way the brain deals with it all." [br] What may be the importance of the research?
选项 A、It shows sleep may help us manage information.
B、It helps find out the common themes of words.
C、It tells us that more sleep can improve health.
D、It proves the value of the old-fashioned advice.
答案 A
解析 分析推理题。推断的依据是短文最后两个直接引语。该处通过专家的话指出，人们一直想找出睡眠的目的(也就是作用)，而该研究发现睡眠似乎是大脑处理我们每天存储的大量经历(即信息)的方式，即试验表明睡眠有助于大脑处理信息(这与短文第一段第二句相互呼应)，这正是该试验的重要性所在，也是作者撰文说明这一实验的原因，故本题答案是[A]。其余三项都属于用原文中的词句设置的干扰项。
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