下面是学习啦小编整理的大学英语四级阅读选词填空考试真题，希望对大家有帮助。
Questions 47 to 56 are based on the following passage.
The popular notion that older people need less sleep than younger adults is a myth,scientists said yesterday.
While elderly people __47__ to sleep for fewer hours than they did when they wereyounger, this has a(n) __48__ effect on their brain's performance and they would benefitfrom getting more, according to research.
Sean Drummond, a. psychiatrist (心理医生) at the University of California, San Diego, saidolder people are more likely to suffer from broken sleep, while younger people are better atsleeping __49__ straight through the night.
More sleep in old age, however, is __50__ with better health, and most older peoplewould feel better and more __51__ 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 theamount of sleep we need to __52__ well does not change,” Dr Drummond told the AmericanAssociation for the Advancement of Science conference in San Diego.
“It's __53__ 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 __54__. Our data suggests that older adultswould benefit from __55__ to get as much sleep as they did in their 30s. That's __56__ fromperson to person, but the amount of sleep we had at 35 is probably the same amount as weneed 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
答案Part IV Reading Comprehension (Reading in depth)
47 N tend 48 L negative 49 H efficiently 50 B associated
51 A alert 52 J function/ 53 F definitely 54 O younger
55 E continuing56 G different
文章大意：本文主要讲述的是关于老年人睡眠的问题：是否老年人与年轻人相比只需要较少的睡眠时间?
