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  3. The popular notion that older people need less sleep than younger adults is

The popular notion that older people need less sleep than younger adults is

游客2024-02-21  7
问题     The popular notion that older people need less sleep than younger adults is a myth, scientists said yesterday.
    While elderly people【S1】______to sleep for fewer hours than they did when they were younger, this has a( n) 【S2】______effect on their brain’s performance and they would benefit from getting more, according to research.
    Sean Drummond, a psychiatrist (心理医生) at the University of California, San Diego, said that older people are more likely to suffer from broken sleep, while younger people are better at sleeping【S3】______straight through the night.
    More sleep in old age, however, is【S4】______with better health, and most older people would feel better and more【S5】______if they slept for longer periods, he said.
    " The ability to sleep in one chunk (整块时间) overnight goes down as we age but the amount of sleep we need to【S6】______well does not change, " Dr Drummond told the American Association for the Advancement of Science conference in San Diego.
    " It’s【S7】______a myth that older people need less sleep. The more healthy an older adult is, the more they sleep like they did when they were【S8】______. Our data suggests that older adults would benefit from【S9】______to get as much sleep as they did in their 30s. That’s【S10】______from person to person, but the amount of sleep we had at 35 is probably the same amount as we need at need at 75. "
A) alert       I) formally
B) associated  J) function
C) attracting  K) mixed
D) cling       L) negative
E) continuing  M) sufficient
F) definitely  N) tend
G) different   O) younger
H) efficiently [br] 【S7】
选项
答案 F
解析 分析句子可知此处不缺少成分，因此只有副词合适，根据句意：老年人需要的睡眠更少这绝对是个谎言，可知definitely符合
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