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The popular notion that older people need less sleep than younger adults is a myth, scientists said yesterday.
While elderly people to sleep for fewer hours than they did when they were younger, this has a tive effect on their brain’s performance and they would benefit from getting more, according to research.
Sean Drummond, a psychiatrist 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 ciently straight through the night.
More sleep in old age, however, is ciated with better health, and most older people would feel better and more t if they slept for longer periods, he said. 考試大，考試伴你同行
"The ability to sleep in one chunk overnight goes down as we age but the amount of sleep we need to tion well does not change," Dr Drummond told the American Association for the Advancement of Science conference in San Diego.
"It’s nitely 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 ger. Our data suggests that older adults would benefit from inuing to get as much sleep as they did in their 30s. That’s erent from person to person, but the amount of sleep we had at 35 is probably the same amount we need at 75."
47. N 空前有to填動詞
48. L 空前冠詞空後n.填a.
49. H 空後a.填ad.
50. B be associated with 常用片語
51. A 空前more填a.
52. J 空前to填動詞
53. F 所在句完整 填ad.加強語氣
54. O 空前be動詞缺表語填a.
55. E 空前介詞, 空後介詞+賓語, 填動名詞
56. G 缺表語填a.
part 2So mang people use the cell phone so frequantly every day,But ___47__little is certain adout he health effects of its facturers___48___that cell phones meet government standards for safe radio- frequency radiation omission,but enough studies are beginning to document a possible ___49___in rare brain tumour(腫瘤)：bendaches and behavioral disorders in children to cause far,the avidence isn't___50___on whether the use of cell phones __51__to any uncased risk of a new
trial,researchers asked 47 yolunteers to ___52__in a project to measure glucose(葡萄糖)consurnption in the brain by scanning the brain to see how cells use both 50- minute scans,the volunteers had a cell phone __53__to each ng be first scan,the devices were turned off,but for the second scan,the phone on the right ear as___54____on and received a recorded- message call,although the yolume was muted(消毒) so the dise wouldn't bias the results of the second scan abowed that the__55__of the brain rarest to the device had higher rales of glucose consumption than the rest of the study ows that cell phones can change brain activity,and __56__a whole new avenue for scientific quiry,tuough it doesn't say anything about whether cell-phone radiation can cause cancer.
注意：此部分試題請在答題卡2上作答。
A)conclusive I)mission
B)contributes J)participate
C)derive K)particular
D)expresses L)provides
E)fixed M)regions
F)immensely N)surprisingly
G)increase O)switched
H)maintain
參考答案
47、F immensely
48、L provides
49、N surprisingly
50、D expresses
51、B contributes
52、J paticipate
53、E fixed
54、O switched
55、M regions
56、H maintain
