理工类相同项单选集考试卷模拟考试_题

1、姓名：_ 班级：_ 学号：_-密-封 -线- 理工类相同项单选集考试卷模拟考试_题考试时间：120分钟 考试总分：100分题号一二三四五总分分数遵守考场纪律，维护知识尊严，杜绝违纪行为，确保考试结果公正。1、sleep lets brain file memoriesto sleep. perchance to file findings published online this week by the “proceedings of the national academy of sciences” further support the theory that the brain org

2、anizes and stows memories formed during the day while the rest of the body is catching zzzs.gyorgy buzsaki of rutgers university and his colleagues analyzed the brain waves of sleeping rats and mice. specifically, they examined the electrical activity emanating from the somatosensory neocortex (an a

3、rea that processes sensory information) and the hippocampus, which is a center for learning and memory. the scientists found that oscillations in brain waves from the two regions appear to be intertwined. so-called sleep spindles (bursts of activity from the neocortex) were followed tens of millisec

4、onds later by beats in the hippocampus known as ripples. the team posits that this interplay between the two brain regions is a key step in memory consolidation. a second study, also published online this week by the “proceedings of the national academy” of sciences”, links age-associated memory dec

5、line to high glucose levels.previous research had shown that individuals with diabetes suffer from increased memory problems. in the new work, antonio convit of new york university school of medicine and his collaborators studied 30 people whose average age was 69 to investigate whether sugar levels

6、, which tend to increase with age, affect memory in healthy people as well. the scientists administered recall tests, brain scans and glucose tolerance tests, which measure how quickly sugar is absorbed from the blood by the bodys tissues. subjects with the poorest memory recollection, the team disc

7、overed, also displayed the poorest glucose tolerance. in addition, their brain scans showed more hippocampus shrinkage than those of subjects better able to absorb blood sugar.“our study suggests that this impairment may contribute to the memory deficits that occur as people age.” convit says. “and

8、it raises the intriguing possibility that improving glucose tolerance could reverse some age-associated problems in cognition.” exercise and weight control can help keep glucose levels in check, so there may be one more reason to go to the gym.which of the following statements is nearest in meaning

9、to the sentence “to sleep. perchance to file”（ ）a.does brain arrange memories in useful order during sleepb.does brain have memories when one is sleepingc.does brain remember flies after one falls asleepd.does brain work on files in sleep2、sleep lets brain file memoriesto sleep. perchance to file fi

10、ndings published online this week by the “proceedings of the national academy of sciences” further support the theory that the brain organizes and stows memories formed during the day while the rest of the body is catching zzzs.gyorgy buzsaki of rutgers university and his colleagues analyzed the bra

11、in waves of sleeping rats and mice. specifically, they examined the electrical activity emanating from the somatosensory neocortex (an area that processes sensory information) and the hippocampus, which is a center for learning and memory. the scientists found that oscillations in brain waves from t

12、he two regions appear to be intertwined. so-called sleep spindles (bursts of activity from the neocortex) were followed tens of milliseconds later by beats in the hippocampus known as ripples. the team posits that this interplay between the two brain regions is a key step in memory consolidation. a

13、second study, also published online this week by the “proceedings of the national academy” of sciences”, links age-associated memory decline to high glucose levels.previous research had shown that individuals with diabetes suffer from increased memory problems. in the new work, antonio convit of new

14、 york university school of medicine and his collaborators studied 30 people whose average age was 69 to investigate whether sugar levels, which tend to increase with age, affect memory in healthy people as well. the scientists administered recall tests, brain scans and glucose tolerance tests, which

15、 measure how quickly sugar is absorbed from the blood by the bodys tissues. subjects with the poorest memory recollection, the team discovered, also displayed the poorest glucose tolerance. in addition, their brain scans showed more hippocampus shrinkage than those of subjects better able to absorb

16、blood sugar.“our study suggests that this impairment may contribute to the memory deficits that occur as people age.” convit says. “and it raises the intriguing possibility that improving glucose tolerance could reverse some age-associated problems in cognition.” exercise and weight control can help

17、 keep glucose levels in check, so there may be one more reason to go to the gym.what is the result of the experiment with rats and mice carried out at rutgers university（ ）a.the electrical activity is emanating from the somatosensory neocortex.b.oscillations in brain waves are from hippocampus.c.som

18、atosensory neocortex and hippocampus work together in memory consolidation.d.somatosensory neocortex plays it primary role in memory consolidation.3、sleep lets brain file memoriesto sleep. perchance to file findings published online this week by the “proceedings of the national academy of sciences”

19、further support the theory that the brain organizes and stows memories formed during the day while the rest of the body is catching zzzs.gyorgy buzsaki of rutgers university and his colleagues analyzed the brain waves of sleeping rats and mice. specifically, they examined the electrical activity ema

20、nating from the somatosensory neocortex (an area that processes sensory information) and the hippocampus, which is a center for learning and memory. the scientists found that oscillations in brain waves from the two regions appear to be intertwined. so-called sleep spindles (bursts of activity from

21、the neocortex) were followed tens of milliseconds later by beats in the hippocampus known as ripples. the team posits that this interplay between the two brain regions is a key step in memory consolidation. a second study, also published online this week by the “proceedings of the national academy”

22、of sciences”, links age-associated memory decline to high glucose levels.previous research had shown that individuals with diabetes suffer from increased memory problems. in the new work, antonio convit of new york university school of medicine and his collaborators studied 30 people whose average a

23、ge was 69 to investigate whether sugar levels, which tend to increase with age, affect memory in healthy people as well. the scientists administered recall tests, brain scans and glucose tolerance tests, which measure how quickly sugar is absorbed from the blood by the bodys tissues. subjects with t

24、he poorest memory recollection, the team discovered, also displayed the poorest glucose tolerance. in addition, their brain scans showed more hippocampus shrinkage than those of subjects better able to absorb blood sugar.“our study suggests that this impairment may contribute to the memory deficits

25、that occur as people age.” convit says. “and it raises the intriguing possibility that improving glucose tolerance could reverse some age-associated problems in cognition.” exercise and weight control can help keep glucose levels in check, so there may be one more reason to go to the gym.what is the

26、 relation of memory to glucose tolerance, as is indicated by a research mentioned in paragraph 3（ ）a.people with poor memory have high glucose tolerance.b.people with good memory have low glucose tolerance.c.memory level has nothing to do with glucose tolerance.d.the poorer the memory, the poorer gl

27、ucose tolerance.4、sleep lets brain file memoriesto sleep. perchance to file findings published online this week by the “proceedings of the national academy of sciences” further support the theory that the brain organizes and stows memories formed during the day while the rest of the body is catching

28、 zzzs.gyorgy buzsaki of rutgers university and his colleagues analyzed the brain waves of sleeping rats and mice. specifically, they examined the electrical activity emanating from the somatosensory neocortex (an area that processes sensory information) and the hippocampus, which is a center for lea

29、rning and memory. the scientists found that oscillations in brain waves from the two regions appear to be intertwined. so-called sleep spindles (bursts of activity from the neocortex) were followed tens of milliseconds later by beats in the hippocampus known as ripples. the team posits that this int

30、erplay between the two brain regions is a key step in memory consolidation. a second study, also published online this week by the “proceedings of the national academy” of sciences”, links age-associated memory decline to high glucose levels.previous research had shown that individuals with diabetes

31、 suffer from increased memory problems. in the new work, antonio convit of new york university school of medicine and his collaborators studied 30 people whose average age was 69 to investigate whether sugar levels, which tend to increase with age, affect memory in healthy people as well. the scient

32、ists administered recall tests, brain scans and glucose tolerance tests, which measure how quickly sugar is absorbed from the blood by the bodys tissues. subjects with the poorest memory recollection, the team discovered, also displayed the poorest glucose tolerance. in addition, their brain scans s

33、howed more hippocampus shrinkage than those of subjects better able to absorb blood sugar.“our study suggests that this impairment may contribute to the memory deficits that occur as people age.” convit says. “and it raises the intriguing possibility that improving glucose tolerance could reverse so

34、me age-associated problems in cognition.” exercise and weight control can help keep glucose levels in check, so there may be one more reason to go to the gym.in what way is memory related to hippocampus shrinkage（ ）a.there is no relation between memory and hippocampus shrinkage.b.the more hippocampu

35、s shrinks, the poorer ones memory.c.the more hippocampus shrinks, the better ones memory.d.the less hippocampus shrinks, the poorer ones memory.5、sleep lets brain file memoriesto sleep. perchance to file findings published online this week by the “proceedings of the national academy of sciences” fur

36、ther support the theory that the brain organizes and stows memories formed during the day while the rest of the body is catching zzzs.gyorgy buzsaki of rutgers university and his colleagues analyzed the brain waves of sleeping rats and mice. specifically, they examined the electrical activity emanat

37、ing from the somatosensory neocortex (an area that processes sensory information) and the hippocampus, which is a center for learning and memory. the scientists found that oscillations in brain waves from the two regions appear to be intertwined. so-called sleep spindles (bursts of activity from the

38、 neocortex) were followed tens of milliseconds later by beats in the hippocampus known as ripples. the team posits that this interplay between the two brain regions is a key step in memory consolidation. a second study, also published online this week by the “proceedings of the national academy” of sciences”, links age-associated memory decline to high glucose levels.previous research had shown that