题目
While elderly people 47.to sleep for fewer hours than they did when they were younger, this has a 48.effect on their brain's performance and they would benefit from getting more, according to research.
第1题
A.Avoidmakingexcuses。
B.Listentootherpeople’sadvice。
C.Makehisintensionspublic。
D.Haveotherswatchoverhisshoulder。
第2题
"The ability to sleep in one chunk overnight goes down as we age but the amount of sleep we need to 52.____well does not change," Dr Drummond told the American Association for the Advancement of Science conference in San Diego.
第3题
A.考试大纲 define:www.cet.edu.cn
B.考试大纲 related:www.cet.edu.cn
C.考试大纲 link:www.cet.edu.cn
D.考试大纲 site:www.cet.edu.cn
第5题
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