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Fluid intelligence is the type of intelligence that involves short-term memory and the ability to think quickly, logically, and abstractly in order to solve new problem. It （1）in young adulthood (between the ages of 20 and 30), levels out for a period of time, and then （2）starts to slowly decline as we age. But （3）aging is inevitable, scientists are finding out that certain changes in brain function may not be.One study found that muscle loss and the （4）of body fat around the abdomen, which often begin in middle age and continue into advanced age, are associated with a decline in fluid intelligence. This suggests the （5） that lifestyle factors, such as the type of diet you follow and the type and amount of exercise you get throughout the years to maintain more lean muscle, might help prevent or （6） this type of decline.The researchers looked at data that （7）measurements of lean muscle, abdominal fat and subcutaneous fat (the type of fat you can see and grab hold of) from more than 4,000 middle-to-older-aged men and women and （8）that data to reported changes in fluid intelligence over a six-year period. They found that middle-aged people （9）higher measures of abdominal fat（10）worse on measures of fluid intelligence as the years（11）.For women, the association may be（12）to changes in immunity that resulted from excess abdominal fat; in men, the immune system did not appear to be （13）. Future studies could （14）these differences and perhaps lead to different（15）for men and women.（16） there are steps you can （17）to help reduce abdominal fat and maintain lean muscle mass as you age in order to protect both your physical and mental（18）. The two most generally recommended lifestyle approaches are maintaining or increasing your （19）of aerobic exercise and following a Mediterranean-style （20） that is high in fiber from whole grains, vegetables, and other plant foods and eliminates highly processed foods. If you carry extra belly fat, speak with your health care provider to determine a plan that is best for you.

Insurance companies provide a service to the community by protecting it against expected and unexpected disasters. Before an insurance company will agree to insure anything, it collects accurate figures about the risk. It knows, for example, that the risk of a man being killed in a plane accident is less than the risk he takes in crossing a busy road. This enables it to quote （报价）low figures for travel insurance. Sometimes the risk may be high, as in motor-racing or mountaineering. Then the company charges a much higher price. If too many climbers have accidents, the price rises still further. If the majority of climbers fall off mountains, the company will refuse to insure them.An ordinary householder may wish to protect his home against fire or his property against burglary. A shop-keeper may wish to insure against theft. In normal cases, the company will check its statistics and quote a premium （保险费）. If it is suspicious, it may refuse to quote. If it insures a shop and then receives a suspicious claim, it will investigate the claim as a means of protecting itself against false claims. It is not unknown for a businessman in debt to burn down his own premises（房产）so that he can claim much money from his insurance company. He can be sure that the fire will be investigated most carefully. Insurance companies also accept insurance against shipwreck or disaster in the air. Planes and ships are very expensive, so a large premium is charged, but a reduction is given to companies with an accident-free record.Every week insurance companies receive premium payments from customers. These payments can form a very large total running into millions of dollars. The company does not leave the money in the bank. It invests in property, shares, farms and even antique paintings and stamps. Its aim is to obtain the best possible return on its investment. This is not as greedy as it may seem, since this is one way by which it can keep its premiums down and continue to make a profit while being of service to the community.1. According to the first paragraph in the passage, which of the following statements is TRUE?2. The word “quote”（Line 3, Paragraph 2）most probably means （）.3. From the passage, we know that if accidents will happen nine times out of ten or more, the insurance company will （）.4. According to the passage, if an air plane has an accident-free record, it usually pays to the insurance company （）.5. Which of the following will the insurance company NOT provide insurance service for?6. How do insurance companies make profit?7. The main idea of the last paragraph is （）.

Rats and other animals need to be highly attuned to social signals from others so they can identify friends to cooperate with and enemies to avoid. To find out if this extends to non-living beings, Loleh Quinn at the University of California, San Diego, and her colleagues tested whether rats can detect social signals from robotic rats.They housed eight adult rats with two types of robotic rat — one social and one asocial — for four days.The robots rats were quite minimalist, resembling a chunkier version of a computer mouse with wheels to move around and colorful markings.During the experiment, the social robot rat followed the living rats around, played with the same toys, and opened caged doors to let trapped rats escape. Meanwhile, the asocial robot simply moved forwards and backwards and side to side.Next, the researchers trapped the robots in cages and gave the rats the opportunity to release them by pressing a lever.Across 18 trials each, the living rats were 52 percent more likely on average to set the social robot free than the asocial one. This suggests that the rats perceived the social robot as a genuine social being. They may have bonded more with the social robot because it displayed behaviors like communal exploring and playing. This could lead to the rats better remembering having freed it earlier, and wanting the robot to return the favour when they get trapped, says Quinn.The readiness of the rats to befriend the social robot was surprising given its minimal design. The robot was the same size as a regular rat but resembled a simple plastic box on wheels. “We’d assumed we’d have to give its moving head and tail, facial features, and put a scene on it to make it smell like a real rat, but that wasn’t necessary,” says Janet Wiles at the University of Queensland in Australia, who helped with the research.The finding shows how sensitive rats are to social cues, even when they come from basic robots. Similarly, children tend to treat robots as if they are fellow beings, even when they display only simple social signals. “We humans seem to be fascinated by robots, and it turns out other animals are too,” says Wiles.（1）Quinn and her colleagues conducted a test to see if rats can （）.（2）What did the asocial robot do during the experiment?（3）According to Quinn, the rats released the social robot because they （）.（4）James Wiles notes that rats（）.（5）It can be learned from the text that rats（）.

Thinner isn’t always better. A number of studies have 1 that normal-weight people are in fact at higher risk of some diseases compared to those who are overweight. And there are health conditions for which being over-weight is actually 2 . For example, heavier women are less likely to develop calcium deficiency than thin women. 3 , among the elderly, being somewhat overweight is often an 4 of good health.Of even greater 5 is the fact that obesity turns out to be very difficult to define. It is often defined 6 body mass index, or BMI. BMI 7 body mass divided by the square of height. An adult with a BMI of 18 to 25 is often considered to be normal weight. Between 25 and 30 is overweight. And over 30 is considered obese. Obesity, 8 , can be divided into moderately obese, severely obese, and very severely obese.While such numerical standards seem 9 , they are not. Obesity is probably less a matter of weight than body fat. Some people with a high BMI are in fact extremely fit, 10 others with a low BMI may be in poor 11 For example, many collegiate and professional football players 12 as obese, though their percentage body fat is low. Conversely, someone with a small frame may have high body fat but a 13 BMI.Today we have a (an) 14 to label obesity as a disgrace. The overweight are sometimes 15 in the media with their faces covered. Stereotypes 16 with obesity include laziness, lack of will power, and lower prospects for success. Teachers, employers, and health professionals have been shown to harbor biases against the obese. 17 very young children tend to look down on the overweight, and teasing about body build has long been a problem in schools.Negative attitudes toward obesity, 18 in health concerns, have stimulated a number of anti-obesity 19 . My own hospital system has banned sugary drinks from its facilities. Many employers have instituted weight loss and fitness initiatives. Michelle Obama has launched a high-visibility campaign 20 childhood obesity, even claiming that it represents our greatest national security threat.

Homework has never been terribly popular with students and even many parents, but in recent years it has been particularly scorned. School districts across the country, most recently Los Angeles Unified, are revising their thinking on this educational ritual. Unfortunately, L. A. Unified has produced an inflexible policy which mandates that with the exception of some advanced courses, homework may no longer count for more than 10% of a student’s academic grade.This rule is meant to address the difficulty that students from impoverished or chaotic homes might have in completing their homework. But the policy is unclear and contradictory. Certainly, no homework should be assigned that students cannot complete on their own or that they cannot do without expensive equipment. But if the district is essentially giving a pass to students who do not do their homework because of complicated family lives, it is going riskily close to the implication that standards need to be lowered for poor children.District administrators say that homework will still be a part of schooling; teachers are allowed to assign as much of it as they want. But with homework counting for no more than 10% of their grades, students can easily skip half their homework and see very little difference on their report cards. Some students might do well on state tests without completing their homework, but what about the students who performed well on the tests and did their homework? It is quite possible that the homework helped. Yet rather than empowering teachers to find what works best for their students, the policy imposes a flat, across-the-board rule.At the same time, the policy addresses none of the truly thorny questions about homework. If the district finds homework to be unimportant to its students’ academic achievement, it should move to reduce or eliminate the assignments, not make them count for almost nothing. Conversely, if homework matters, it should account for a significant portion of the grade. Meanwhile, this policy does nothing to ensure that the homework students receive is meaningful or appropriate to their age and the subject, or that teachers are not assigning more than they are willing to review and correct.The homework rules should be put on hold while the school board, which is responsible for setting educational policy, looks into the matter and conducts public hearings. It is not too late for L. A. Unified to do homework right. (400 words )1.It is implied in Paragraph 1 that nowadays homework （）.2.L. A. Unified has made the rule about homework mainly because poor students （）. 3.According to Paragraph 3, one problem with the policy is that it may （）. 4.As mentioned in Paragraph 4, a key question unanswered about homework is whether （）. 5.A suitable title for this text could be（）.

We’re fairly good at judging people based on first impressions, thin slices of experience ranging from a glimpse of a photo to a five-minute interaction, and deliberation can be not only extraneous but intrusive. In one study of the ability she dubbed “thin slicing.” The late psychologist Nalini Ambady asked participants to watch silent 10-second video clips of professors and to rate the instructor’s overall effectiveness. Their ratings correlated strongly with students’ end-of-semester ratings.Another set of participants had to count backward from 1,000 by nines as they watched the clips,occupying their conscious working memory. Their ratings were just as accurate, demonstrating the intuitive nature of the social processing.Critically, another group was asked to spend a minute writing down reasons for their judgment,before giving the rating. Accuracy dropped dramatically.Ambady suspected that deliberation focused them on vivid but misleading cues, such as certain gestures of utterances, rather than letting the complex interplay of subtle signals form a holistic impression. She found similar interference when participants watched 15-second clips of pairs of people and judged whether they were strangers, friends, or dating partners.Other research shows we're better at detecting deception and sexual orientation from thin slices when we rely on intuition instead of reflection.“It’ s as if you’re driving a stick shift," says Judith Hall,a psychologist at Northeastern University, "and if you start thinking about it too much, you can' t remember what you' re doing.But if you go on automatic pilot, you’re fine.Much of our social life is like that."Thinking too much can also harm our ability to form preferences College students' ratings of strawberry jams and college courses aligned better with experts' opinions when the students weren't asked to analyze their rationale. And people made car-buying decisions that were both objectively better and more personally satisfying when asked to focus on their feelings rather than on details,but only if the decision was complex — when they had a lot of information to process.Intuition's special powers are unleashed only in certain circumstances. In onestudy, participants completed a battery of eight tasks, including four that tappedreflective thinking (discerning rules, comprehending vocabulary) and four that tappedintuition and creativity (generating new products or figures of speech).Then they rated the degree to which they had used intuition (“gut feelings,” “hunches,” “my heart”).Use of their gut hurt their performance on the first four tasks,as expected, and helped them on the rest Sometimes the heart is smarter than the head.Other research shows we re better at detecting deception and sexual orientation from thin slices when we rely on intuition instead of reflection. "It' s as if you' redriving a stick shift," says Judith Hall, a psychologist at Northeastern University,"and if you start thinking about it too much, you can't remember what you're doing. But if you go on automatic pilot, you re fine. Much of our social life is like that." Thinking too much can also harm our ability to form preferences College students ratings ofstrawberry jams and college courses aligned better with experts' opinions when the students weren't asked to analyze their rationale.And people made car-buying decisions that were both objectively better and more personally satisfying when asked to focus on their feelings rather than on details, but only if the decision was complex-when they had a lot of information to process.1. Nalini Ambady’s study deals with （）.2.In Ambady’s study, rating accuracy dropped when participants（）.3.Judith Hall mentions driving to mention that（）.4.When you are making complex decisions, it is advisable to（）.5.What can we learn from the last paragraph?

Sport is heading for an indissoluble marriage with television and the passive spectator will enjoy a private paradise. All of this will be in the future of sport. The spectator (the television audience) will be the priority and professional clubs will have to readjust their structures to adapt to the new reality: sport as a business.The new technologies will mean that spectators will no longer have to wait for broadcasts by the conventional channels. They will be the ones who decide what to see. And they will have to pay for it. In the United States the system of the future has already started: pay-as-you-view. Everything will be offered by television and the spectator will only have to choose. The review Sports Illustrated recently published a full profile of the life of the supporter at home in the middle of the next century. It explained that the consumers would be able to select their view of the match on a gigantic, flat screen occupying the whole of one wall, with images of a clarity which cannot be foreseen at present; they could watch from the trainer’s stands just behind the batter in a game of baseball or from the helmet of the star player in an American football game. And at their disposal will be the sane option s the producer of the recorded programmer has to select replays, to choose which camera to me and to decide on the sound whether to hear the public, the players, the trainer and soon.Many sports executives, largely too old and too conservative to feel at home with the new technologies will believe that sport must control the expansion of television coverage in order to survive and ensure that spectators attend matches. They do not even accept the evidence which contradicts their view while there is more basketball than ever on television, for example, it is also certain that basketball is more popular than ever.It is also the argument of these sports executives that television harming the modest teams. This is true, but the future of those team is also modest. They have reached their ceiling . It is the law of the market. The great events continually attract larger audience.The world I being constructed on new technologies so that people can make the utmost use of their time and , in their home have access to the greatest possible range of recreational activities. Sport will have to adapt itself to the new world.The most visionary executives go further. That philosophy is: rather than see television take over sport why not have sports taken over television?1.What does the writer mean by use of the phrase “an indissoluble marriage” in the first paragraph?　2.What does “they” in line 2 paragraph 2 stand for?　3.How do many sports executives feel with the new technologies?　4.What is going to be discussed in the following paragraphs?5.What might be the appropriate title of this passage?

It looked just like another aircraft from the outside. The pilot told his young passengers that it was built in 1964.But appearances were deceptive and the 13 students from Europe and the USA who boarded the aircraft were in for the flight of their lives.Inside the area that normally had seats had become a long white tunnel. Heavily padded(填塞) from floor to ceiling it looked a bit strange. There were almost no windows , but lights along the padded walls illuminated it. Most of the seats had been taken out apart from a few at the back where the young scientists quickly took their places with a look of fear.For 12 months, science students from across the continents had competed to win a place on the flight at the invitation of the European Space Agency. The challenge had been to suggest imaginative experiments to be conducted in weightless conditions.For the next two hours the flight resembled that of an enormous bird which had lose its reason, shooting upwards towards the heavens before rushing towards Earth. The invention was to Achieve weightlessness for a few seconds.The aircraft took off smoothly enough. But any feelings that I and the young scientists had that we were on anything like a scheduled passenger service were quickly dismissed when the pilot put the plane into a 45 degree climb which lasted around 20 seconds. Then the engines cut out and we became weightless. Everything become confused and left or right. Up or down no longer had any meaning, after ten seconds of free fall descent the pilot pulled the aircraft out of its nosedive. The return of gravity was less immediate than its loss, but was still sudden enough to ensure that some students came down with a bump.Each time the pilot cut the engines and we became weightless. A new team conduct it experience. First it was the Ducth who wanted to discover how it is that cats always land on their feet. Then the German team who conducted a successful experiment on a traditional building method to see if could be used for building a further space station, the Americans had an idea to create solar sails that could be used by satellites.After two hours of going up and down in the lane doing their experiments, the predominate feeling was one of excitement rather than sickness. Most of the students thought it was an unforgettable experience and one they would be keen to repeat.1.What did the writer say about the plane？2.According to the writer ,how did the young scientists feel before the flight？3.What did the pilot do with the plane after it took off？4.According to the passage, the purpose of being weightless was to（）.5.This passage was written to（）.

With the global population predicted to hit close to 10 billion by 2050, and forecasts that agricultural production in, some regions will need to nearly double to keep pace, food security is increasingly making headlines. In the UK, it has become a big talking point recently too, for rather particular reason: Brexit.Brexit is seen by some as an opportunity to reverse a recent trend towards the UK importing food. The country produces only about 60 percent of the food it eats,down from almost three-quarters in the late 1980s.A move back to self-sufficiency, the argument goes, would boost the farming industry, political sovereignty and even the nation's health. Sounds great—but bow feasible is this vision?According to a report on UK food production from the University of Leeds,UK,85 per cent of the country's total land area is associated with meat and dairy production. That supplies 80 per cent of what is consumed, so even covering the whole country in livestock farms wouldn't allow us to cover all our meat and dairy needs.There are many caveats to those figures, but they are still grave. To become much more self- sufficient, the UK would need to drastically reduce its consumption of animal foods,and probably also farm more intensively—meaning fewer green fields, and more factory-style production.But switching to a mainly plant-based diet wouldn't help. There is a good reason why the UK is dominated by animal husbandry: most of its terrain doesn't have the right soil or climate to grow crops on a commercial basis. Just 25 percent of the county's land is suitable for crop-growing, most of which is already occupied by arable fields. Even if we converted all the suitable land to fields of fruit and veg—which would involve taking out all the nature reserves and removing thousands of people from their homes—we would achieve only a 30 percent boost in crop production.Just 23 percent of the fruit and vegetables consumed in the UK are currently home-grown, so even with the most extreme measures we could meet only 30 percent of our fresh produce needs. That is before we look for the space to grow the grains,sugars,seeds and oils that provide us with the vast bulk of our current calorie intake.1.Some people argue that food self-sufficient in UK would2.The report by the University of Leeds shows that in the UK3.Crop-growing in he UK is restricted due to4.It can be learned from the last paragraph that British people5.The author's attitude to food self-sufficient in the UK is

Ruth Simmons joined Goldman Sachs’s board as an outside director in January 2000; a year later she became president of Brown University. For the rest of the decade she apparently managed both roles without attracting much criticism. But by the end of 2009 Ms. Simmons was under fire for having sat on Goldman’s compensation committee; how could she have let those enormous bonus payouts pass unremarked? By February the next year Ms. Simmons had left the board. The position was just taking up too much time, she said.Outside directors are supposed to serve as helpful, yet less biased, advisers on a firm’s board. Having made their wealth and their reputations elsewhere, they presumably have enough independence to disagree with the chief executive’s proposals. If the sky, and the share price, is falling, outside directors should be able to give advice based on having weathered their own crises.The researchers from Ohio University used a database that covered more than 10, 000 firms and more than 64, 000 different directors between 1989 and 2004. Then they simply checked which directors stayed from one proxy statement to the next. The most likely reason for departing a board was age, so the researchers concentrated on those “surprise” disappearances by directors under the age, of 70. They found that after a surprise departure, the probability that the company will subsequently have to restate earnings increased by nearly 20%. The likelihood of being named in a federal class-action lawsuit also increases, and the stock is likely to perform worse. The effect tended to be larger for larger firms. Although a correlation between them leaving and subsequent bad performance at the firm is suggestive, it does not mean that such directors are always jumping off a sinking ship. Often they “trade up”, leaving riskier, smaller firms for larger and more stable firms.But the researchers believe that outside directors have an easier time of avoiding a blow to their reputations if they leave a firm before bad news breaks, even if a review of history shows they were on the board at the time any wrongdoing occurred. Firms who want to keep their outside directors through tough times may have to create incentives. Otherwise outside directors will follow the example of Ms. Simmons, once again very popular on campus. (382 words)1.According to Paragraph 1, Ms. Simmons was criticized for （）.2.We learn from Paragraph 2 that outside directors are supposed to be （）. 3.According to the researchers from Ohio University after an outside director’s surprise departure, the firm is likely to （）. 4.It can be inferred from the last paragraph that outside directors （）. 5.The author’s attitude toward the role of outside directors is（）.

How seriously should parent take kid’s opinions when searching for a home?In choosing a new home, Camille McClain’s kids have a single demand: a backyard.That seemingly reasonable request turned the Chicago family’s home hunt upside down, as there weren’t many three-bedroom apartments on the North Side — where the family was looking — that came with yard space. Still, McClain and her husband chose to honor their 4- and 6-year-old’s request.“We worked with a few apartment brokers, and it was strange that many of them didn’t even know if there was outdoor space, so they’d bring us to an apartment. We’d see that it didn’t have a yard, and we’d move on,” said McClain, who runs Merry Music Makers in Lakeview, a business focused on music education for children.McClain’s little ones aren’t the only kids who have an opinion when it comes to housing, and in many cases youngsters’ views weigh heavily on parents’ real estate decisions, according to a 2018 Harris Poll survey of more than 2,000 U.S. adults.Renters paid attention to their kids’ preferences even more: 83 percent said their children’s opinions will be a factor when they buy a home.The idea of involving children in a big decision is a great idea because it can help them feel a sense of control and ownership in what can be an overwhelming process, said Ryan Hooper, clinical psychologist in Chicago.“Children may face serious difficulties in coping with significant moves, especially if it removes them from their current school or support system,” he said.Younger children should feel like they’re choosing their home — without actually getting a choice in the matter, said Adam Bailey, real estate attorney based in New York and author of the upcoming children’s book Home, about the search for the perfect home from the viewpoint of a child.Asking them questions about what they like about the backyard of a potential home—or asking them where their toys would go in the house — will make them feel like they’re being included in the decision-making process, Bailey said.Many of the aspects of home buying aren’t a consideration for children, said Tracey Hampson, a real estate agent based in Santa Clarita, Calif. And placing too much emphasis on their opinions can ruin a fantastic home purchase.She has a client who has been house-hunting for a while, and he always asks his young children their opinion. But when this buyer finally decided to write an offer on a home with a pool, his children burst into tears because they didn’t want a pool.“They ended up not submitting an offer,” Hampson said. “So speaking with your children before you make a real estate decision is wise, but I wouldn’t base the purchasing decision solely on their opinions.”The other issue is that many children — especially older ones — may base their real estate knowledge on HGTV shows, which tend to focus on superficial aspects of real estate, said Aaron Norris of The Norris Group in Riverside, Calif.“They love Chip and Joanna Gaines just as much as the rest of us,” he said. “HGTV has seriously changed how people view real estate. It’s not shelter, it’s a lifestyle. With that mindset change comes some serious money consequences.”Kids tend to get stuck in the features and the immediate benefits to them personally, Norris said. And while their opinions on those elements shouldn’t reign supreme, the homebuying process could be a time to start talking to kids about money, budgeting, homeownership and other financial decisions.Parents also need to remind their children that their needs and desires may change over time, said Julie Gurner, a real estate analyst with FitSmallBusiness.com.“Their opinions can change tomorrow，”Gurner said. “Harsh as it may be to say, that decision should likely not be made contingent on a child’s opinions, but rather made for them with great consideration into what home can meet their needs best — and give them an opportunity to customize it a bit and make it their own.”This advice is more relevant now than ever before, even as more parents want to embrace the ideas of their children, despite the current housing crunch.Today, wanna-be home buyers have to be more open when it comes to must-haves andwhat you can compromise on, Hampson said.And speaking of compromise: The McClain kids, hungry for outdoor space, fell in love with a home in the North Park neighborhood that had a large yard. But it wasn’t ideal by their parents’ standards.The family ended up renting a house in North Center that had a smaller yard, but it was still big enough for playtime.“I had to do a bit of a sales job with the kids since they loved the yard in North Park,” McClain said. “But there’s a hammock they lounge on, a spot to jump rope, a place to play in the sprinkler, and an area to write with sidewalk chalk.”1.Ryan Hoopper （）2.Adam Bailey （） 3.Tracey Hampson （） 4.Aaron Norris （） 5.Julie Gurner （）

Biologists estimate that as many as 2 million lesser prairie chickens---a kind of bird living on stretching grasslands—once lent red to the often gray landscape of the Midwestern and southwestern United States. But just some 22,000 birds remain today, occupying about 16% of the species’ historic range.The crash was a major reason the U.S Fish and Wildlife Service (USFWS) decided to formally list the bird as threatened. “The lesser prairie chicken is in a desperate situation,” said USFWS Director Daniel Ashe. Some environmentalists, however, were disappointed. They had pushed the agency to designate the bird as “endangered,” a status that gives federal officials greater regulatory power to crack down on threats. But Ashe and others argued that the “threatened” tag gave the federal government flexibility to try out new, potentially less confrontational conservations approaches. In particular, they called for forging closer collaborations with western state governments, which are often uneasy with federal action and with the private landowners who control an estimated 95% of the prairie chicken’s habitat.Under the plan, for example, the agency said it would not prosecute landowner or businesses that unintentionally kill, harm, or disturb the bird, as long as they had signed a range—wide management plan to restore prairie chicken habitat. Negotiated by USFWS and the states, the plan requires individuals and businesses that damage habitat as part of their operations to pay into a fund to replace every acre destroyed with 2 new acres of suitable habitat. The fund will also be used to compensate landowners who set aside habitat, USFWS also set an interim goal of restoring prairie chicken populations to an annual average of 67,000 birds over the next 10 years. And it gives the Western Association of Fish and Wildlife Agencies (WAFWA), a coalition of state agencies, the job of monitoring progress. Overall, the idea is to let “states” remain in the driver’s seat for managing the species，” Ashe said.Not everyone buys the win-win rhetoric Some Congress members are trying to block the plan, and at least a dozen industry groups, four states, and three environmental groups are challenging it in federal court Not surprisingly, doesn’t go far enough “The federal government is giving responsibility for managing the bird to the same industries that are pushing it to extinction,” says biologist Jay Lininger.1.The major reason for listing the lesser prairie as threatened is（）.2.The “threatened” tag disappointed some environmentalists in that it （）. 3.It can be learned from Paragraph3 that unintentional harm-doers will not be prosecuted if they （）. 4.According to Ashe， the leading role in managing the species is （）. 5.Jay Lininger would most likely support（）.

To combat the trap of putting a premium on being busy, Cal Newport, author of Deep Work: Rules for Focused Success in a Distracted World, recommends building a habit of “deep work” - the ability to focus without distraction.There are a number of approaches to mastering the art of deep work - be it lengthy retreats dedicated to a specific task; developing a daily ritual; or taking a “journalistic” approach to seizing moments of deep work when you can throughout the day. Whichever approach, the key is to determine your length of focus time and stick to it.Newport also recommends “deep scheduling” to combat constant interruptions and get more done in less time. “At any given point, I should have deep work scheduled for roughly the next month. Once on the calendar, I protect this time like I would a doctor's appointment or important meeting,” he writes.Another approach to getting more done in less time is to rethink how you priorities your day-in particular how we craft our to-do lists. Tim Harford, author of Messy: The Power of Disorder to Transform Our Lives, points to a study in the early 1980s that divided undergraduates into two groups: some were advised to set out monthly goals and study activities; others were told to plan activities and goals in much more detail, day by day.While the researchers assumed that the well-structured daily plans would be most effective when it come to the execution of tasks, they were wrong: the detailed daily plans demotivated students. Harford argues that inevitable distractions often render the daily to-do list ineffective, while leaving room for improvisation in such a list can reap the best results.In order to make the most of our focus and energy, we also need to embrace downtime, or as Newport suggests, “be lazy.”“Idleness is not just a vacation, an indulgence or a vice; it is as indispensable to the brain as vitamin D is to the body...[idleness] is ,paradoxically, necessary to getting any work done,” he argues.Srini Pillay, an assistant professor of psychiatry at Harvard Medical School, believes this counterintuitive link between downtime and productivity may be due to the way our brains operate. When our brains switch between being focused and unfocused on a task, they tend to be more efficient.“What people don't realise is that in order to complete these tasks they need to use both the focus and unfocus circuits in their brain.” says Pillay.1.The key to mastering the art of deep work is to（）.2.The study in the early 1980s cited by Harford shows that （）. 3.According to Newport, idleness is （）. 4.Pillay believes that our brain's shift between being focused and unfocused （）. 5.This text is mainly about （）.

When the government talks about infrastructure contributing to the economy the focus is usually on roads, railways, broadband and energy. Housing is seldom mentioned.Why is that? To some extent the housing sector must shoulder the blame. We have not been good at commu-nicating the real value that housing can contribute to economic growth. Then there is the scale of the typical housing project It is hard to shove for attention among multibillion-pound infrastructure projects, so it is inevitable that the attention is focused elsewhere. But perhaps the most significant reason is that the issue has always been so politically charged.Nevertheless, the affordable housing situation is desperate. Waiting lists increase all the time and we are simply not building enough new homes.The comprehensive spending review offers an opportunity for the government to help rectify this. It needs to put historical prejudices to one side and take some steps to address our urgent housing need.There are some indications that it is preparing to do just that. The communities minister, Don Foster, has hinted that George Osborne, Chancellor of the Exchequer, may introduce more flexibility to the current cap on the amount that local authorities can borrow against their housing stock debt. Evidence shows that 60, 000 extra new homes could be built over the next five years if the cap were lifted, increasing GDP by 0.6%.Ministers should also look at creating greater certainty in the rental environment, which would have a significant impact on the ability of registered providers to fund new developments from revenues.But it is not just down to the government. While these measures would be welcome in the short term, we must face up to the fact that the existing £4.5 bn programme of grants to fund new affordable housing, set to expire in 2015, is unlikely to be extended beyond then. The Labour party has recently announced that it will retain a large part of the coalition’s spending plans if it returns to power. The housing sector needs to accept that we are very unlikely to ever return to the era of large-scale public grants. We need to adjust to this changing climate.While the government’s commitment to long-term funding may have changed, the very pressing need for more affordable housing is real and is not going away.1.The author believes that the housing sector（） .2.It can be learned that affordable housing has （） . 3.According to Paragraph 5, George Osborne may （） . 4.It can be inferred that a stable rental environment would （） . 5.The author believes that after 2015, the government may（） .

Unfortunately, life is not a bed of roses. We are going through life facing sad experiences. Moreover, we are grieving various kinds of loss: a friendship, a romantic relationship or a house. Hard times may hold you down at what usually seems like the most inopportune time, but you should remember that they won’t last forever.When our time of mourning is over, we press forward, stronger with a greater understanding and respect for life. Furthermore, these losses make us mature and eventually move us toward future opportunities for growth and happiness. I want to share these ten old truths I’ve learned along the way.1. ___Fear is both useful and harmful. This normal human reaction is used to protect us by signaling danger and preparing us to deal with it. Unfortunately, people create inner barriers with a help of exaggerating fears. My favorite actor Will Smith once said, “Fear is not real. It is a product of thoughts you create. Do not misunderstand me. Danger is very real. But fear is a choice.” I do completely agree that fears are just the product of our luxuriant imagination.2. _If you are surrounded by problems and cannot stop thinking about the past, try to focus on the present moment. Many of us are weighed down by the past or anxious about the future. You may feel guilt over your past, but you are poisoning the present with the things and circumstances you cannot change. Value the present moment and remember how fortunate you are to be alive. Enjoy the beauty of the world around and keep the eyes open to see the possibilities before you. Happiness is not a point of future and not a moment from the past, but a mindset that can be designed into the present.3. _Sometimes it is easy to feel bad because you are going through tough times. You can be easily caught up by life problems that you forget to pause and appreciate the things you have. Only strong people prefer to smile and value their life instead of crying and complaining about something.4. _No matter how isolated you might feel and how serious the situation is, you should always remember that you are not alone. Try to keep in mind that almost everyone respects and wants to help you if you are trying to make a good change in your life, especially your dearest and nearest people. You may have a circle of friends who provide constant good humor, help and companionship. If you have no friends or relatives, try to participate in several online communities, full of people who are always willing to share advice and encouragement.5. ___Today many people find it difficult to trust their own opinion and seek balance by gaining objectivity from external sources. This way you devalue your opinion and show that you are incapable of managing your own life. When you are struggling to achieve something important you should believe in yourself and be sure that your decision is the best. You live in your skin, think your own thoughts, have your own values and make your own choices.

It is curious that Stephen Koziatek feels almost as though he has to justify his efforts to give his students a better future.Mr.Koziatek is part of something pioneering. He is a teacher at a New Hampshire high school where learning is not something of books and tests and mechanical memorization, but practical. When did it become accepted wisdom that students should be able to name the 13th president of the United States but be utterly overwhelmed by a broken bike chain?As Koziatek knows, there is learning in just about everything. Nothing is necessarily gained by forcing students to learn geometry at a graffitied desk stuck with generations of discarded chewing gum. They can also learn geometry by assembling a bicycle.But he's also found a kind of insidious prejudice. Working with your hands is seen as almost a mark of inferiority. Schools in the family of vocational education “have that stereotype, that it's for kids who can't make it academically,” he says.On one hand, that viewpoint is a logical product of America's evolution. Manufacturing is not the economic engine that it once was. The job security that the US economy once offered to high school graduates has largely evaporated. More education is the new principle. We want more for our kids, and rightfully so.But the headlong push into bachelor's degrees for all -and the subtle devaluing of anything less-misses an important point: That's not the only thing the American economy needs. Yes, a bachelor's degree opens more doors. But even now, 54 percent of the jobs in the country are middle-skill jobs, such as construction and high-skill manufacturing. But only 44 percent of workers are adequately trained.In other words, at a time when the working class has turned the country on its political head, frustrated that the opportunity that once defined America is vanishing, one obvious solution is staring us in the face. There is a gap in working-class jobs, but the workers who need those jobs most aren't equipped to do them. Koziatek's Manchester School of Technology High School is trying to fill that gap.Koziatek's school is a wake-up call. When education becomes one-size-fits-all, it risks overlooking a nation's diversity of gifts.1.A broken bike chain is mentioned to show students' lack of （）.2.There exists the prejudice that vocational education is for kids who （）. 3.We can infer from Paragraph 5 that high school graduates （）. 4.The headlong push into bachelor's degrees for all （）. 5.The author's attitude toward Koziatek's school can be described as（）.

A new study suggests that contrary to most surveys, people are actually more stressed at home than at work. Researchers measured people’s cortisol, which is a stress marker, while they were at work and while they were at home and found it higher at what is supposed to be a place of refuge.“Further contradicting conventional wisdom, we found that women as well as men have lower levels of stress at work than at home,” writes one of the researchers, Sarah Damaske. In fact women even say they feel better at work, she notes. “It is men, not women, who report being happier at home than at work.” Another surprise is that findings hold true for both those with children and without, but more so for nonparents. This is why people who work outside the home have better health.What the study doesn’t measure is whether people are still doing work when they’re at home, whether it is household work or work brought home from the office. For many men, the end of the workday is a time to kick back. For women who stay home, they never get to leave the office. And for women who work outside the home, they often are playing catch-up-with-household tasks. With the blurring of roles, and the fact that the home front lags well behind the workplace in making adjustments for working women, it’s not surprising that women are more stressed at home.But it’s not just a gender thing. At work, people pretty much know what they’re supposed to be doing: working, marking money, doing the tasks they have to do in order to draw an income. The bargain is very pure: Employee puts in hours of physical or mental labor and employee draws out life-sustaining moola.On the home front, however, people have no such clarity. Rare is the household in which the division of labor is so clinically and methodically laid out. There are a lot of tasks to be done, there are inadequate rewards for most of them. Your home colleagues-your family-have no clear rewards for their labor; they need to be talked into it, or if they’re teenagers, threatened with complete removal of all electronic devices. Plus, they’re your family. You cannot fire your family. You never really get to go home from home.So it’s not surprising that people are more stressed at home. Not only are the tasks apparently infinite, the co-workers are much harder to motivate.1.According to Paragraph 1, most previous surveys found that home（）.2.According to Damaske, who are likely to be the happiest at home?3.The blurring of working women's roles refers to the fact that （）. 4.The word "moola" (Paragraph 4) most probably means （）. 5.The home front differs from the workplace in that（）.

Unlike so-called basic emotions such as sadness, fear, and anger, guilt emerges a little later, in conjunction with a child’s growing grasp of social and moral norms. Children aren’t born knowing how to say “I’m sorry”; rather, they learn over time that such statements appease parents and friends—and their own consciences. This is why researchers generally regard so-called moral guilt, in the right amount, to be a good thing: A child who claims responsibility for knocking over a tower and tries to rebuild it is engaging in behavior that’s not only reparative but also prosocial.In the popular imagination, of course, guilt still gets a bad rap. It evokes Freud’s ideas and religious hang-ups. More important, guilt is deeply uncomfortable—it’s the emotional equivalent of wearing a jacket weighted with stones. Who would inflict it upon a child? Yet this understanding is outdated. “There has been a kind of revival or a rethinking about what guilt is and what role guilt can serve,” Vaish says, adding that this revival is part of a larger recognition that emotions aren’t binary—feelings that may be advantageous in one context may be harmful in another. Jealousy and anger, for example, may have evolved to alert us to important inequalities. Too much happiness (think mania) can be destructive.And guilt, by prompting us to think more deeply about our goodness, can encourage humans to atone for errors and fix relationships. Guilt, in other words, can help hold a cooperative species together. It is a kind of social glue.Viewed in this light, guilt is an opportunity. Work by Tina Malti, a psychology professor at the University of Toronto, suggests that guilt may compensate for an emotional deficiency. In a number of studies, Malti and others have shown that guilt and sympathy (and its close cousin empathy) may represent different pathways to cooperation and sharing. Some kids who are low in sympathy may make up for that shortfall by experiencing more guilt, which can rein in their nastier impulses. And vice versa: High sympathy can substitute for low guilt.In a 2014 study, for example, Malti and a colleague looked at 244 children, ages 4, 8, and 12. Using caregiver assessments and the children’s self-observations, they rated each child’s overall sympathy level and his or her tendency to feel negative emotions (like guilt and sadness) after moral transgressions. Then the kids were handed stickers and chocolate coins, and given a chance to share them with an anonymous child. For the low-sympathy kids, how much they shared appeared to turn on how inclined they were to feel guilty. The guilt-prone ones shared more, even though they hadn’t magically become more sympathetic to the other child’s deprivation.1.Researchers think that guilt can be a good thing because it may help （）.2.According to Paragraph 2, many people still consider guilt to be （）. 3.Vaish holds that the rethinking about guilt comes from an awareness that （）. 4.Malti and others have shown that cooperation and sharing （）. 5.The word “transgressions”（Line 4, Para. 5） is closest in meaning to （）.

The Internet affords anonymity to its users, a blessing to privacy and freedom of speech. But that very ano-nymity is also behind the explosion of cyber-crime that has（1）across the Web.Can privacy be preserved （2） bringing safety and security to a world that seems increasingly （3） ?Last month, Howard Schmidt, the nation’s cyber-czar, offered the federal government a （4） to make the web a safer place—a “voluntary trusted identity” system that would be the high-tech （5） of a physical key, a fingerprint and a photo ID card, all rolled （6） one. The system might use a smart identity card, or a digital credential （7） to a specific computer, and would authenticate users at a range of online services.The idea is to （8） a federation of private online identity systems. Users could （9） which system to join, and only registered users whose identities have been authenticated could navigate those systems. The approach contrasts with one that would require an Internet driver’s license （10） by the government.Google and Microsoft are among companies that already have these “single sign-on” systems that make it possible for users to （11） just once but use many different services.（12） , the approach would create a walled garden ’’ in cyberspace, with safe neighborhoods “and bright streetlights” to establish a sense of a （13） community.Mr. Schmidt described it as a “voluntary ecosystem” in which “individuals and organizations can complete online transactions with （14） , trusting the identities of each other and the identities of the infrastructure （15）which the transaction runs.”Still, the administration’s plan has （16） privacy rights activists. Some applaud the approach; others are concerned. It seems clear that such a scheme is an initiative push toward what would （17） be a compulsory Internet “driver’s license” mentality.The plan has also been greeted with （18） by some computer security experts, who worry that the “voluntary ecosystem” envisioned by Mr. Schmidt would still leave much of the Internet （19） They argue that all Internet users should be （20） to register and identify themselves, in the same way that drivers must be licensed to drive on public roads. (355 words)

We tend to think of the decades immediately following World War II as a time of prosperity and growth, with soldiers returning home by the millions, going off to college on the G. I. Bill and lining up at the marriage bureaus.But when it came to their houses, it was a time of common sense and a belief that less could truly be more. During the Depression and the war, Americans had learned to live with less, and that restraint, in combination with the postwar confidence in the future, made small, efficient housing positively stylish.Economic condition was only a stimulus for the trend toward efficient living. The phrase “less is more” was actually first popularized by a German, the architect Ludwig Mies van der Rohe, who like other people associated with the Bauhaus, a school of design, emigrated to the United States before World War II and took up posts at American architecture schools. These designers came to exert enormous influence on the course of American architecture, but none more so than Mies.Mies’s signature phrase means that less decoration, properly organized, has more impact than a lot. Elegance, he believed, did not derive from abundance. Like other modern architects, he employed metal, glass and laminated wood—materials that we take for granted today but that in the 1940s symbolized the future. Mies’s sophisticated presentation masked the fact that the spaces he designed were small and efficient, rather than big and often empty.The apartments in the elegant towers Mies built on Chicago’s Lake Shore Drive, for example, were smaller—two-bedroom units under 1, 000 square feet—than those in their older neighbors along the city’s Gold Coast. But they were popular because of their airy glass walls, the views they afforded and the elegance of the buildings’ details and proportions, the architectural equivalent of the abstract art so popular at the time.The trend toward “less” was not entirely foreign. In the 1930s Frank Lloyd Wright started building more modest and efficient houses—usually around 1,200 square feet—than the spreading two-story ones he had designed in the 1890s and the early 20th century.The “Case Study Houses” commissioned from talented modern architects by California Arts & Architecture magazine between 1945 and 1962 were yet another homegrown influence on the “less is more” trend. Aesthetic effect came from the landscape, new materials and forthright detailing. In his Case Study House, Ralph Rapson may have mispredicted just how the mechanical revolution would impact everyday life—few American families acquired helicopters, though most eventually got clothes dryers—but his belief that self-sufficiency was both desirable and inevitable was widely shared. (435 words)1.The postwar American housing style largely reflected the Americans’（） .2.Which of the following can be inferred from Paragraph 3 about Bauhaus?3.Mies held that elegance of architectural design （） . 4.What is true about the apartments Mies built on Chicago’s Lake Shore Drive?5.What can we learn about the design of the “Case Study House”？

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