单选题The rear section of the brain does not contract with age, and one can continue living without intellectual or emotional faculties.AadvancedBgrowingCfrontDback
单选题
The rear section of the brain does not contract with age, and one can continue living without intellectual or emotional faculties.
A
advanced
B
growing
C
front
D
back
参考解析
解析：
句意：大脑后半部分不会随着年龄的增长而萎缩，没有了智力和情感功能我们也能继续活着。rear后面的，后方的。与它意思相近的词是back“后面的”。advanced高级的，先进的。growing成长的。front前面的。
句意：大脑后半部分不会随着年龄的增长而萎缩，没有了智力和情感功能我们也能继续活着。rear后面的，后方的。与它意思相近的词是back“后面的”。advanced高级的，先进的。growing成长的。front前面的。
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循环队列存储在数组A[0..m]中,则入队时的操作为()。 A.rear=rear+1B.rear=(rear+1)%(m-1)C.rear=(rear+1)%mD.rear=(rear+1)%(m+1)
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循环队列存储在数组A[0..m]中，则入队时的操作为()。A.rear=rear+1B.rear=(rear+1)mod(m-1)C.rear=(rear+1)modmD.rear=(rear+1)mod(m+1)
设rear是指向非空带头结点的循环单链表的尾指针，则删除起始结点的操作可表示为( )A．s=rear;B．rear=rear—＞next; rear=rear—＞next; free(rear); free(s);C．rear=rear—＞next—＞next;D．s=rear—＞next—＞next; free(rear); rear—＞next—＞next=s—＞next; free(s);
共用题干1.If you want to stay young,sit down and have a good think.This is the research finding of a team of Japanese doctors,who say that most of our brains are not getting enough exercise一and as a result,we are ageing unnecessarily soon.2.Professor Taiju Matsuzawa wanted to find out why otherwise healthy farmers in northern Japan appeared to be losing their ability to think and reason at a relatively early age,and how the process of ageing could be slowed down.3.With a team of colleagues at Tokyo National University,he set about measuring brain yolumes of a thousand people of different ages and varying occupations.4.Computer technology enabled the researchers to obtain precise measurements of the volume of the front and side sections of the brain, which relate to intellect（智能）and emotion, and determine the human character. The rear section of the brain,which controls functions like eating and breathing,does not contract with age,and one can continue living without intellectual or emotional faculties.5.Contraction of front and side parts一as cells die off —was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds.6.Matsuzawa concluded from his tests that there is a simple remedy to the contraction normally associated with age一using the head.7.The findings show in general terms that contraction of the brain begins sooner in people in the country than in the towns.Those least at risk,says Matsuzawa,are lawyers,followed by university professors and doctors.White collar workers doing routine work in government offices are,however, as likely to have shrinking brains as the farm worker,bus driver and shop assistant.8.Matsuzawa's findings show that thinking can prevent the brain from shrinking. Blood must circulate properly in the head to supply the fresh oxygen the brain cells need."The best way to maintain good blood circulation is through using the brain,"he says,"Think hard and engage in conversation.Don't rely on pocket calculators."Paragraph 1________A:Thinking can prevent the brain from shrinking.B:The reason why people are aging.C:Scientists have worked out a way to keep people healthy.D:Computer technology.E:The different time of brain contraction between people in the country and in the towns. F: Measurements of the volume of the front and side sections of the brain.
共用题干1.If you want to stay young,sit down and have a good think.This is the research finding of a team of Japanese doctors,who say that most of our brains are not getting enough exercise一and as a result,we are ageing unnecessarily soon.2.Professor Taiju Matsuzawa wanted to find out why otherwise healthy farmers in northern Japan appeared to be losing their ability to think and reason at a relatively early age,and how the process of ageing could be slowed down.3.With a team of colleagues at Tokyo National University,he set about measuring brain yolumes of a thousand people of different ages and varying occupations.4.Computer technology enabled the researchers to obtain precise measurements of the volume of the front and side sections of the brain, which relate to intellect（智能）and emotion, and determine the human character. The rear section of the brain,which controls functions like eating and breathing,does not contract with age,and one can continue living without intellectual or emotional faculties.5.Contraction of front and side parts一as cells die off —was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds.6.Matsuzawa concluded from his tests that there is a simple remedy to the contraction normally associated with age一using the head.7.The findings show in general terms that contraction of the brain begins sooner in people in the country than in the towns.Those least at risk,says Matsuzawa,are lawyers,followed by university professors and doctors.White collar workers doing routine work in government offices are,however, as likely to have shrinking brains as the farm worker,bus driver and shop assistant.8.Matsuzawa's findings show that thinking can prevent the brain from shrinking. Blood must circulate properly in the head to supply the fresh oxygen the brain cells need."The best way to maintain good blood circulation is through using the brain,"he says,"Think hard and engage in conversation.Don't rely on pocket calculators."Matsuzawa wanted to find out the process of ageing could be________.A:blood circulationB:slowed downC:occupationD:intellect and emotionE:eating and breathing F: fresh oxygen
共用题干1.If you want to stay young,sit down and have a good think.This is the research finding of a team of Japanese doctors,who say that most of our brains are not getting enough exercise一and as a result,we are ageing unnecessarily soon.2.Professor Taiju Matsuzawa wanted to find out why otherwise healthy farmers in northern Japan appeared to be losing their ability to think and reason at a relatively early age,and how the process of ageing could be slowed down.3.With a team of colleagues at Tokyo National University,he set about measuring brain yolumes of a thousand people of different ages and varying occupations.4.Computer technology enabled the researchers to obtain precise measurements of the volume of the front and side sections of the brain, which relate to intellect（智能）and emotion, and determine the human character. The rear section of the brain,which controls functions like eating and breathing,does not contract with age,and one can continue living without intellectual or emotional faculties.5.Contraction of front and side parts一as cells die off —was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds.6.Matsuzawa concluded from his tests that there is a simple remedy to the contraction normally associated with age一using the head.7.The findings show in general terms that contraction of the brain begins sooner in people in the country than in the towns.Those least at risk,says Matsuzawa,are lawyers,followed by university professors and doctors.White collar workers doing routine work in government offices are,however, as likely to have shrinking brains as the farm worker,bus driver and shop assistant.8.Matsuzawa's findings show that thinking can prevent the brain from shrinking. Blood must circulate properly in the head to supply the fresh oxygen the brain cells need."The best way to maintain good blood circulation is through using the brain,"he says,"Think hard and engage in conversation.Don't rely on pocket calculators."The rear section of the brain controls functions like__________.A:blood circulationB:slowed downC:occupationD:intellect and emotionE:eating and breathing F: fresh oxygen
共用题干1.If you want to stay young,sit down and have a good think.This is the research finding of a team of Japanese doctors,who say that most of our brains are not getting enough exercise一and as a result,we are ageing unnecessarily soon.2.Professor Taiju Matsuzawa wanted to find out why otherwise healthy farmers in northern Japan appeared to be losing their ability to think and reason at a relatively early age,and how the process of ageing could be slowed down.3.With a team of colleagues at Tokyo National University,he set about measuring brain yolumes of a thousand people of different ages and varying occupations.4.Computer technology enabled the researchers to obtain precise measurements of the volume of the front and side sections of the brain, which relate to intellect（智能）and emotion, and determine the human character. The rear section of the brain,which controls functions like eating and breathing,does not contract with age,and one can continue living without intellectual or emotional faculties.5.Contraction of front and side parts一as cells die off —was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds.6.Matsuzawa concluded from his tests that there is a simple remedy to the contraction normally associated with age一using the head.7.The findings show in general terms that contraction of the brain begins sooner in people in the country than in the towns.Those least at risk,says Matsuzawa,are lawyers,followed by university professors and doctors.White collar workers doing routine work in government offices are,however, as likely to have shrinking brains as the farm worker,bus driver and shop assistant.8.Matsuzawa's findings show that thinking can prevent the brain from shrinking. Blood must circulate properly in the head to supply the fresh oxygen the brain cells need."The best way to maintain good blood circulation is through using the brain,"he says,"Think hard and engage in conversation.Don't rely on pocket calculators."The front and side sections of the brain relates to_________.A:blood circulationB:slowed downC:occupationD:intellect and emotionE:eating and breathing F: fresh oxygen
共用题干第二篇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 zzz's.Gyorgy Buzsaki of Rutgers University and his colleagues analyzed the brain waves of sleeping rats and mice. Specifically,they examined the electrical activity emanating（散发）from the somatosensory（耳、目、口等以外的）neocortex（新大脑皮层）(an area that processes sensory information) and the hippocampus（海马）,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 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 individuals with diabetes（糖尿病，多尿症）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 scientists administered recall tests, brain scans（细看，审视，浏览，扫描）and glucose tolerance tests, which measure how quickly sugar is absorbed from the blood by the body's 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 blood sugar." Our study suggests that this impairment（损害、损伤）may contribute to the memory deficits （赤字、不足额）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（阻止、制止）,so there may be one more reason to go to the gym.Which of the following statements is nearest in meaning to the sentence"To sleep.Perchance to file?"A:Does brain arrange memories in useful order during sleep?B:Does brain have memories when one is sleeping?C:Does brain remember files after one falls asleep?D:Does brain work on files in sleep?
If you want to stay young,sit down and have a good think．This is the research result of professor Faulkner,who says that most of our brains are not getting enough exercise and as a result,we are ageing unnecessarily soon.Professor Faulkner wanted to find out why healthy farmers in northern Japan appeared to be losing their ability to think and to reason at a relatively early age,and how the process of ageing could be slowed down.He set about measuring brain volumes of a thousand people of different ages and occupations．Computer technology enabled him to obtain precise measurements of the volume of the front and side sections of the brain,which relate to intelligence and emotion,and determine the human character．Contraction of front and side parts--as cells die off--was observed in some subjects in their thirties,but it was still not evident in some sixty-and seventy-year-olds.Faulkner concluded from his tests that there is a simple way to slow the contraction—using the head.The findings show that contraction of the brain begins sooner in people in the country than in the towns．Those least at risk,says Faulkner,are lawyers,followed by university professors and doctors．White--collar workers doing routine work are,however,as likely to have shrinking brains as the farm worker,bus driver and shop assistant.Faulkner's findings show that thinking can prevent the brain from shrinking．Blood must circulate properly in the head to supply the fresh oxygen the brain cells need．"The best way to maintain good blood circulation is through using the brain,"he says．"Think hard and engage in conversation．Don't rely on pocket calculators."The professor's tests show that__.A.our brains shrink as we grow oldB.the front section of the brain does not shrinkC.seventy-year-olds have better brains than sixty-year-oldsD.brain contraction may vary among people of the same age
（ ） does not belong to the output of planning and design activities. A .Service Level AgreementB. Operational Level AgreementC. Underpinning ContractD. Management Contract
共用题干Sleep Lets Brain File MemoriesTo sleep.Perchance to file?Findings published online this week by the Proceedings of the National Academy of Science further support the theory that brain organizes and stows memories formed during the day while the rest of the body is catching zzz's.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 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 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 level.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,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 body's issues.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 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一associated problems in cognition?”Exercise and weights control can help keep glucose level in check,so there may be one more reason to go to the gym.Which of the following statements is the nearest in meaning to the sentence"To sleep.Perchance to file?"A:Does brain arrange memories in useful order during sleep?B:Does brain have memories when one is sleeping?C:Does brain remember files after one falls asleep?D:Does brain work on files in sleep?
共用题干Sleep Lets Brain File MemoriesTo sleep.Perchance to file?Findings published online this week by the Proceedings of the National Academy of Science further support the theory that brain organizes and stows memories formed during the day while the rest of the body is catching zzz's.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 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 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 level.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,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 body's issues.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 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一associated problems in cognition?”Exercise and weights control can help keep glucose level 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:Somatosensory neocortex and hippocampus work together in memory consolidation.D:Somatosensory neocortex plays a primary role in memory consolidation.
循环队列存储在数组A[0..m]中，则入队时的操作为（）。A、 rear=rear+1B、 rear=（rear+1）%（m-1）C、 rear=（rear+1）%mD、 rear=（rear+1）%（m+1）
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问答题Directions:There is one passage in this section with 5 statements. Go over the passage quickly and answer the questions on the Answer Sheet. For questions 1 - 5, mark Y (for YES) if the statement agrees with the information given in the passage; N (for NO) if the statement contradicts the information given in the passage; NG (for NOT GIVEN) if the information is not given in the passage. You hear the same complaint all the time as people get older: “My memory is terrible.” Is it all in the mind, or do real changes take place in the brain with age to justify such grumbling (抱怨)? The depressing answer is that the brain’s cells, the neurons, die and decline in efficiency with age. Professor Arthur Shimamura, of the University of California at Berkeley, says there are three main ways in which mental function changes. The first is mental speed, for example how quickly you can react to fast-moving incidents on the road. Drivers in their late teens react quickly but tend to drive too fast, while the over sixties are more cautious but react more slowly. The near-inevitable slowing with age also partly explains why soccer players are seen as old in their thirties, while golf professionals are still in their prime at that age. This type of mental slowing results from a reduction in the efficiency with which the brain’s neurons work. The fact that adults find it harder to learn musical instruments than children points to a second type of mental loss with age—a reduction in learning capacity. The parts of the brain known as the temporal lobes control new learning, and are particularly vulnerable to the effects of aging. This means that, as we get older, we take longer to learn a new language, and slower to master new routines and technologies at work, and we have to rely more on diaries and other mental aids. “Working memory” is the third brain system which is vulnerable to the effects of aging. Working memory is the brain’s “blackboard”, where we juggle from moment to moment the things we have to keep in mind when solving problems, planning tasks and generally organizing our day-to-day life. Absent-mindedness occurs at all ages because of imperfections in the working memory system—so, for instance, you may continually lose your glasses, or find yourself walking into a room of your house only to find that you cannot remember what you came for. Such absent-mindedness tends to creep up on us as we age and occurs because our plans and intentions, which are chalked up on the mental blackboard, are easily wiped out by stray thoughts and other distractions. Stress and preoccupation can also cause such absent-mindedness, in addition to age-related changes in the brain. The frontal lobes of the brain—located behind the forehead and above the eyes—are where the working memory system is located. Like the temporal lobes, which handle new learning, the frontal lobes are more vulnerable to the aging process than other parts of the brain. The news, however, is not all bleak. Although neurons reduce in number with age, the remaining neurons send out new and longer connection fibers (dendrites) to maintain connections and allow us to function reasonably well with only relatively small drops in ability. This and other evidence suggests that the principle “use it or lost it” might apply to the aging brain. Professor Shimamura studied a group of university professors who were still intellectually active, and compared their performance on neuropsychological tests with that of others of their age group, as well as with younger people. He found that on several tests of memory, the mentally active professors in their sixties and early seventies were superior to their contemporaries, and as good as the younger people. Research on animals provide even stronger evidence of the effects of stimulation on the brain structure. Professor Bryan Kolb, of the University of Lethbridge in Canada, has shown that animals kept in stimulating environments show sprouting (生长) and lengthening of the connecting nerve fibers in comparison with animals kept in unstimulating environments. The beneficial effects of continued mental activity are shown by the fact that older contestants in quiz shows are just as fast and accurate in responding to general knowledge questions as younger competitors, suggesting that at least part of their intellectual apparatus is spared the effects of aging because of practice and skill. Such findings lead to the intriguing possibility of “mental fitness training” to accompany jogging and workouts for the health conscious. Research in Stockholm by Professor Lars Backman and his colleague has shown that older people can be trained to use their memory better, with the effects of this training lasting several years. Just as people go bald or grey at different rates, so the same is true for their mental faculties. Why this should be the case for memory and other mental functions is not yet clear. If Professor Shimamura is right, then the degree to which people use and stretch their mental faculties may also have a role to play. Statements: 1．The passage gives a description of several methods of testing mental ability. 2．Professor Shimamura identified a number of areas in which mental function may change. 3．As the temporal lobes of the brain are affected by aging, it becomes harder to pick up new skills. 4．Research indicates that physical training can help to improve memory. 5．Taking part in quizzes is the best way to stimulate the brain.
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