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  3. What is the best title for the text? What do the results of a recent sleep study show?

What is the best title for the text? What do the results of a recent sleep study show?

admin2009-03-15  48
问题 What is the best title for the text?
What do the results of a recent sleep study show?
选项 A、People who sleep enough are good at math.
B、Sleep is important for learning.
C、Too much sleep is good for your health.
D、Adults need more sleep than kids.
答案B
解析 由第三、四段可知，一项近期对睡眠的研究表明，那些经过充足睡眠的实验者比睡眠不足者解决问题的准确性更高，因此可以说“睡眠对于学习很重要”。这是一个相对概念，并不能因此就说睡眠充足者擅长数学了。故排除[A]；睡眠过多并不一定对身体有好处，故排除[C]。
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