T he popular notion that older people need less sleep than younger adults is a myth, scientists said yesterday. W hile elderly people __1__ to sleep for fewer hours than they did when they were younger, this h as a(n) __2__ effect on their brain's performance and they would benefit from getting more, acco rding to research. Sean Drummond, a. psychiatrist ( 心理医生 ) at the University of California, San Diego, said older people are more likely to suffer from broken sleep, while younger people are better at s l eep ing __3__ straight through the night. More sleep in old age, however, is __4__ with better health, and most older people would feel bette r and more __5__ 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 sl eep we need to __6__ well does not change,” Dr Drummond told the American Association for t he Advancement of Science conference in San Diego. “It's __7__ a myth that older people need less sleep. The more healthy an older adult is, the mor e they sleep like they did when they were __8__ . Our data suggests that older adults would bene fit from __9__ to get as much sleep as they did in their 30s. That's __10__ from person to pers on, but the amount of sleep we had at 35 is probably the same amount as we need at 75.” 注意:此部分试题请在 答题卡 2 上作答。 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