Insomniacs(someone who cannot sleep easily)dont just suffer at night. During the day, they often feel sleepy, have trouble concentrating and report greater difficulty with work or school performance than individuals who get adequate sleep. But researchers are intrigued by an apparent【C1】______: Despite what insomnia patients experience subjectively, they often seem able to【C2】______cognitive tasks as well as people getting adequate sleep. One【C3】______is that insomnia doesnt lead to【C4】______performance after all—maybe it just feels that way. Using brain imaging technology, researchers【C5】______25 people with insomnia and 25 normal sleepers as they performed an eight-minute working-memory task【C6】______the processing and storing of short-term memory. As the exercises became more difficult, the people who sleep【C7】______had increased activity in parts of the brain【C8】______the insomnia subjects didnt. And the poor sleepers couldnt turn off the brains 'mind wandering' regions, also known as the '【C9】______mode' network, located generally【C10】______the brains midline. These regions are ordinarily active when a person isnt【C11】______in goal-directed behavior. and they are【C12】______when the person switches to a task. The more the insomnia patients subjectively reported【C13】______and difficulty concentrating, and the【C14】______they subjectively reported performing their task, the greater was their【C15】______to turn off the mind wandering regions, as measured by the MRI. 'Theres no doubt that whats going on in the brain could be measured as less【C16】______,' experts said. More research is needed to understand how insomnia patients were able to【C17】______and perform. the tasks equally well despite the apparent【C18】______in brain activity. The ultimate goal of this kind of research is to【C19】______the environmental and genetic causes of insomnia and develop【C20】______treatments.
【C1】
A．agreement
B．attention
C．contradiction
D．contact

未分类题A war on sugar has begun in the UK that echoes the nations successful campaign against salt. The effort is【C1】______because it could help to reduce obesity, but cutting sugar out of peoples diets poses【C2】______challenges. Last week, a group of academics and policy【C3】______specializing in medicine and【C4】______announced that they had formed a campaign group, Action on Sugar. Their idea is to convince manufacturers to【C5】______and gradually lower the【C6】______of sugar added to foods—so slowly that it isnt missed by【C7】______. It is essentially the same【C8】______as a campaign that is【C9】______credited with reducing British peoples salt intake. Over the past decade, CASH, a non-government organisation, helped to create anti-salt【C10】______aimed at the general public,【C11】______year-by-year targets for companies to reduce salt levels. These were【C12】______but had the backing of the government, and it was【C13】______that the targets would be legally enforced if companies【C14】______. Most manufacturers lowered their salt levels —and,【C15】______, there has been a 15 per cent【C16】______in salt intake in the UK, according to CASH. Repeating the trick with sugar may be more【C17】______not least because we do not know for sure if our palates(sense of taste)can adjust to eating food that is less【C18】______. By contrast, studies have shown that if volunteers are forced to eat a less salty diet, over several weeks they gradually begin to【C19】______food that is less salty. 'Theres no reason to think that would not hold【C20】______for sweet taste too,' says Charles Spence, a neurogas-tronomist at the University of Oxford.【C1】A．uselessB．respectableC．welcomeD．unpopular

未分类题'Poverty', wrote Aristotle, 'is the parent of crime.' But was he right? Certainly, poverty and crime are【C1】______. And the idea that a lack of income might drive someone to【C2】______sounds plausible. But research by Amir Sari-aslan casts【C3】______on the chain of causation— at least as far as violent crime and the misuse of【C4】______are concerned. Sariaslan consulted the【C5】______collected by Scandinavian governments which contained information about peoples annual family incomes and criminal【C6】______. In Sweden the age of criminal responsibility is 15, so Sariaslan【C7】______his subjects from the dates of their 15th birthdays【C8】______, for an average of three-and-a-half years. When he looked at families which had started poor and got richer, the younger children—those born into relative【C9】______—were just as likely to misbehave as the elder children. Family income was, in itself not the【C10】______factor. That suggests two【C11】______. One is that a familys culture, once established, is '【C12】______'— that you can take the kid out of the neighborhood,【C13】______not the neighborhood out of the kid.【C14】______childrens inclination to imitate elder brothers or sisters whom they admire, that sounds【C15】______plausible. The other is that genes which make them susceptible to criminal behavior. are common at the【C16】______of society, perhaps because the lack of impulse-control also tends to reduce someones earning capacity. Neither of these conclusions is likely to be welcome to【C17】______reformers. They suggest that merely【C18】______peoples incomes will not by itself address questions of bad behavior. Such conclusions will need to be【C19】______by others. If they are confirmed, the fact that they are【C20】______will be no excuse for ignoring them.【C1】A．opposedB．associatedC．interdependentD．advanced

未分类题凯恩斯认为______是收入的递增函数

未分类题中央银行在选择货币政策中间目标时只要考虑以下______条件

未分类题Doctors have treated the first reported case of 'Internet addiction disorder' brought on by excessive use of Google Glass. In September 2013, a 31-year-old man was checked into the U.S. Navys Substance Abuse program for alcohol addiction【C1】______. The program requires patients to refrain from alcohol, drugs and cigarettes for 35 days and takes away electronic devices at the door.【C2】______they took away his Google Glass. Doctors quickly【C3】______that the man would frequently and involuntarily【C4】______his right hand and tap his temple area, a【C5】______usually necessary to【C6】______the display of Google Glass. He was going through withdrawal from his Google Glass. And the Google Glass withdrawal was【C7】______than the alcohol withdrawal he was experiencing. After checking into the program, he exhibited【C8】______symptoms of withdrawal: frustration, irritability, aggression and cravings. His addiction also【C9】______him with short-term memory problems. The Navy serviceman【C10】______the device 18 hours a day and took it off【C11】______to sleep and bathe. He【C12】______purchased Google Glass in order to【C13】______his performance at work But after owning the glasses for two months, the device【C14】______into his sleeping hours as well. Internet addiction is commonly【C15】______with cellphones, laptops and personal computers. This is the first reported case【C16】______Google Glass. Though it is a【C17】______problem, Internet addiction does not appear in the Diagnostic and Statistical Manual of Mental Disorders.【C18】______, it is included in the appendix as a disorder that requires further study. While some psychiatrists believe it can be a【C19】______problem, others maintain that it is【C20】______a symptom of other psychological issues.【C1】A．managementB．treatmentC．developmentD．argument

未分类题Whether youre a New Jersey mall rat or a farmer in India, being poor can exhaust your smarts. The findings indicate that an【C1】______need— making rent, getting money for food—tugs at the attention so much that it can【C2】______the brainpower of anyone who experiences it, regardless of innate intelligence or【C3】______. As a result, many social【C4】______programs set up to help the poor could backfire(have an undesired effect)by adding more【C5】______to their lives. Theres a widespread tendency to【C6】______that poor people dont have money because they are lazy,【C7】______or just not that sharp, said study coauthor Sendhil Mullainathan. 'Our【C8】______was quite different: Its not that poor people are any different from rich people, but that being poor【C9】______itself has an effect.' Mullainathan wanted to find out how those psychologically【C10】______situations affected their overall mental【C11】______. To do so, the researchers traveled to India and【C12】______464 sugar cane farmers before and after a harvest. Sugar cane farmers get paid only once a year. One month before harvest time, they are【C13】______for cash; one month after harvest, theyre flush with【C14】______. The farmers took tests before and after harvest. When money was running low, they performed【C15】______on the IQ test and took slightly longer to answer questions on the test than they did when【C16】______wasnt a problem. The drop was【C17】______—about 9 IQ points. The research lends support to the idea that many behaviors【C18】______to being poor—using less preventive healthcare, having higher obesity rates, be ing less【C19】______parents and making poor financial decisions—may be caused by【C20】______rather than the other way around.【C1】A．mentalB．urgentC．specialD．social

未分类题Research has shown that—in both sexes and across numerous cultures—attractive people are judged to be smarter, kinder, more honest and【C1】______. With some regularity we hear about the latest beauty contestant who has【C2】______to a soft-ball of a question with an epic fail of a mistake, a【C3】______opinion or an incoherent ramble. Ridiculous. But whats even more ridiculous is that our brains【C4】______us toward believing such people—just because theyre【C5】______. In politics, we are also more likely to believe and vote【C6】______people who are attractive. And when it comes to blind【C7】______numerous studies discovered that more-attractive individuals are less likely to be【C8】______of crimes and, if so,【C9】______shorter-than-average sentences for the crime. Why should this be? Some have【C10】______that since it is pleasurable to meet someone attractive and someone good and honest, we【C11】______merge the two. But this convergence(the occurrence of two or more things coming together)of rewarding experiences seems【C12】______. Work by two researchers in Duke University【C13】______something more convincing: one part of the brain is involved in rating both the【C14】______of a face and the goodness of a behavior, and the level of activity in that【C15】______during one of those tasks predicts the level during the other. 【C16】______, the brain does similar things when【C17】______beautiful minds, hearts or cheekbones. Its a【C18】______finding. But theres also some good news in this story: The brain can get confused in【C19】______directions. That is to say, the same neural wiring that gives【C20】______to 'What is beautiful is good' also generates 'What is good is beautiful.'【C1】A．pessimisticB．selfishC．trustworthyD．handsome

未分类题以下属于商业银行的资产业务的有______。

未分类题The example of a lahar from the Nevada del Ruiz volcano in 1985 is used to show thatA．acoustic flow monitors are effective in predicting lahars.B．acoustic flow monitors are used all around the world.C．acoustic flow monitors can completely prevent lahars.D．acoustic flow monitors are sensitive to higher frequencies.

单项选择题脂肪氮芥的作用机理是( )

未分类题What is the writers attitude toward the prospect of volcanic eruption prediction?

未分类题商业银行中间业务的审计目标包括()。

未分类题The word 'reciprocal'(Line 2, Paragraph 3)is closest in meaning to

未分类题According to Paragraphs 4 and 5, which of the following statements is true about the study?A．The study was a long-term observation on 4,373 subjects.B．The layoff offers people more time participating in such social activities as community groups.C．A laid-off worker may also lose his membership in a professional organization.D．Young people are more likely to lose their jobs than people in their senior years.

未分类题We can infer from the passage thatA．no definite conclusion has been reached yet.B．the author is very certain about the location of the site.C．Paititi is the first site they have found in Peru.D．Paititi was built by the Inca.