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As you crest a rise on Mississippi’s Highway 63, just north of Pascagoula and the Gulf coast, the vista unfolds. A calm brown waterway flows beneath the bridge, interlaced with palm-treed fingers of land; a chaos of water towers, cranes and derricks is revealed in the distance. The near view gives the region its charm; the distant one sustains it. The oil industry and shipbuilding both thrive along the coast. (41) Signal International, a marine-fabrication firm, brought around 500 welders and pipe fitters from India—most of them from the southern state of Kerala, many of whom had laboured in various Arab Gulf states—to work in its shipyards in Pascagoula and Orange, Texas. The workers allege that they paid exorbitant sums to recruiters in India (up to $20,000), who promised them green cards. But once they arrived, they were harassed, intimidated and kept in cramped and isolated conditions. (42) (43) They, like the Indians, were brought to America on H-2B visas, given for temporary employment in non-agricultural fields.Like much of America’s rickety immigration system, the H-2B programme draws scorn from all sides. Companies in such industries as forestry and fisheries depend heavily on guest workers. But since 1990 the H-2B has been capped at a paltry 66,000 a year. Even with exemptions for workers who extend their visas, that cap has been hit every year but one. In 2008 American companies requested nearly 294,000 H-2Bs. Unions, for their part, fret that guest workers take jobs from willing Americans, as well as driving down wages and benefits. And immigrant-rights advocates point to the potential for abuse inherent in the programme. (44) Their visas are tied to their jobs, which deters complaint.Mary Bauer, the legal director of the Southern Poverty Law Centre, a civil-rights programme that has represented numerous H-2B plaintiffs (including the Indian workers suing Signal), says that temporary workers appeal to employers because "they cannot work for anybody else. They have to accept any terms imposed on them. They have to borrow a substantial amount of money to get here, and almost anything asked of them they feel obligated to tolerate and do. "Things may be getting better. In February Superior Forestry Service, which provides the forest industry with immigrant workers, agreed to a $2.75m settlement in a suit brought by 2,200 workers who claimed they were short-changed on wages (the company denies malfeasance). (45) It won’t make everyone happy, but at least it should make some people a bit less unhappy.A. Although temporary agricultural workers are guaranteed housing, travel expenses, firm hours of work and access to lawyers, H-2B visa-holders are promised only prevailing local wages.B. They are now suing both Signal and the recruiters, who are also being sued by Signal—which claims that they misled the company as well as the workers.C. Furthermore, for American corporations, the more workers from overseas they possess, the more benefits they get.D. But the population has waned, displaced by hurricanes, so companies must look elsewhere for their workers. The results are not always happy ones.E. However, less workers are needed in some corporations, such as forestry and fisheries that have enough staff from immigrants.F. And in December 2009 Bernie Sanders, a senator from Vermont, introduced a bill that would provide guest workers with travel expenses and access to lawyers, regulate foreign recruiters and prevent companies that have massively laid off local staff from hiring immigrants.G. Just west of Pascagoula, in Gulfport, a group of Brazilian welders and pipe fitters have made similar allegations against another marine-fabrication firm. 42（）
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As you crest a rise on Mississippi’s Highway 63, just north of Pascagoula and the Gulf coast, the vista unfolds. A calm brown waterway flows beneath the bridge, interlaced with palm-treed fingers of land; a chaos of water towers, cranes and derricks is revealed in the distance. The near view gives the region its charm; the distant one sustains it. The oil industry and shipbuilding both thrive along the coast. (41) Signal International, a marine-fabrication firm, brought around 500 welders and pipe fitters from India—most of them from the southern state of Kerala, many of whom had laboured in various Arab Gulf states—to work in its shipyards in Pascagoula and Orange, Texas. The workers allege that they paid exorbitant sums to recruiters in India (up to $20,000), who promised them green cards. But once they arrived, they were harassed, intimidated and kept in cramped and isolated conditions. (42) (43) They, like the Indians, were brought to America on H-2B visas, given for temporary employment in non-agricultural fields.Like much of America’s rickety immigration system, the H-2B programme draws scorn from all sides. Companies in such industries as forestry and fisheries depend heavily on guest workers. But since 1990 the H-2B has been capped at a paltry 66,000 a year. Even with exemptions for workers who extend their visas, that cap has been hit every year but one. In 2008 American companies requested nearly 294,000 H-2Bs. Unions, for their part, fret that guest workers take jobs from willing Americans, as well as driving down wages and benefits. And immigrant-rights advocates point to the potential for abuse inherent in the programme. (44) Their visas are tied to their jobs, which deters complaint.Mary Bauer, the legal director of the Southern Poverty Law Centre, a civil-rights programme that has represented numerous H-2B plaintiffs (including the Indian workers suing Signal), says that temporary workers appeal to employers because "they cannot work for anybody else. They have to accept any terms imposed on them. They have to borrow a substantial amount of money to get here, and almost anything asked of them they feel obligated to tolerate and do. "Things may be getting better. In February Superior Forestry Service, which provides the forest industry with immigrant workers, agreed to a $2.75m settlement in a suit brought by 2,200 workers who claimed they were short-changed on wages (the company denies malfeasance). (45) It won’t make everyone happy, but at least it should make some people a bit less unhappy.A. Although temporary agricultural workers are guaranteed housing, travel expenses, firm hours of work and access to lawyers, H-2B visa-holders are promised only prevailing local wages.B. They are now suing both Signal and the recruiters, who are also being sued by Signal—which claims that they misled the company as well as the workers.C. Furthermore, for American corporations, the more workers from overseas they possess, the more benefits they get.D. But the population has waned, displaced by hurricanes, so companies must look elsewhere for their workers. The results are not always happy ones.E. However, less workers are needed in some corporations, such as forestry and fisheries that have enough staff from immigrants.F. And in December 2009 Bernie Sanders, a senator from Vermont, introduced a bill that would provide guest workers with travel expenses and access to lawyers, regulate foreign recruiters and prevent companies that have massively laid off local staff from hiring immigrants.G. Just west of Pascagoula, in Gulfport, a group of Brazilian welders and pipe fitters have made similar allegations against another marine-fabrication firm. 41（）
We used to think that the left brain controlled your thinking and that the right brain controlled your heart. But neuroscientists have learned that it’s a lot more complicated.In 2007, an influential paper in the journal Behavioral and Brain Functions found that while most of us process emotions through the right hemisphere of the brain, about 35 % of people—especially victims of trauma—process their hurt and anger through their left brain, where logic and language sit. That may be because they had worked so hard to explain, logically, why they were suffering. But pushing emotions through the left brain taxed it: these people performed significantly worse on memory tests.Now a new paper—out in the September issue of The Journal of Nervous and Mental Disease—further complicates the picture with a surprising finding: whether you are right-handed, left-handed or ambidextrous (which the authors call, rather delightfully, " inconsistently handed") seems to be an important clue in understanding how you use your brain to process emotions.It’s been known for some time that lefties and the ambidextrous are more prone to negative emotions. The new study shows that they also have a greater imbalance in activity between the left and right brains when they process emotions. Of course, you can’t be sure which comes first: maybe angry people are more out of balance, or maybe the inability to find equilibrium makes you angry. As for the left-handed: maybe they’re more angry because the world is designed for the right-handed majority.The study also used an interesting method to find that angry people are, literally, hot-headed: the authors of the paper—led by Ruth Propper, a psychology professor at Merrimack College in Massachusetts- measured brain-hemisphere activation with a relatively old method called tympanic membrane temperature, which is essentially how hot it is in your inner ear. If you get angry a lot, your head tends to be warmer.One problem is that the study was small —just 55 undergraduates participated (they were paid $20 each for having to endure ear-temperature tests and psychological questioning). Also, The Journal of Nervous and Mental Disease, while peer-reviewed, is one of less-respected psychology journals. Still, I like the study just because it explains that when you get hot under the collar, you are actually hot under the collar. In order to understand how we use our brain to process emotions, we can get clue from （）.
Aristotle believed that the heavens were perfect. If they ever were, they are no longer. The skies above Earth are now littered with the debris of dead satellites, bits of old rockets and the odd tools dropped by a spacewalking astronaut. Such is the extent of the detritus that the first accidental collision between two satellites has already taken place. It happened in February 2009, when a defunct Russian Cosmos smashed into a functioning American Iridium, destroying both and creating even more space junk. To stop this sort of thing happening again, Vaios Lappas of the University of Surrey, in England, has designed a system that will remove satellites from orbit at the end of their useful lives—and as a bonus will scour part of the sky clean as it does so. Dr. Lappas’s satellite-removal system employs a solar sail. As light from the sun hits the sail, it imparts a minuscule but continuous acceleration. When a satellite is first launched, the sail is angled in a way that causes this acceleration to keep the satellite in orbit. (Orbits gradually decay as a result of collisions with the small number of air molecules found even at altitudes normally classified as "outer space". ) Solar sails have yet to be used widely to propel spacecraft in this way—several earlier versions came unstuck when the sails failed to unfurl properly—but doing so is not a novel idea in principle. The novelty Dr. Lappas envisages is to change the angle of the sail when the satellite has become defunct. Instead of keeping the derelict craft in orbit, it will, over the course of a couple of years, drag it into the atmosphere and thus to a fiery end. Not only that, but the sail will also act like a handkerchief, mopping up microscopic orbital detritus such as flecks of paint from previous launches: A fleck of paint may not sound dangerous, but if travelling at 27,000kph (17,0OOmph), as it would be in orbit, it could easily penetrate an astronaut’s spacesuit. A prototype of Dr. Lappas’s design, called CubeSail, will be launched late next year. It weighs just 3kg (71b) and, when folded up, measures 30cm (12 inches) by 10cm by 10cm. Once unfurled, however, the sail will have an area of 25 square metres. If this prototype, which is paid for by EADS, a European aerospace company, proves successful, solar sails might be added to many future satellites. That would enable them to be removed rapidly from orbit when they became useless and would restore to the skies some measure of Aristotelian perfection. According to Paragraph 3, which one is NOT the function of the solar sail
Current gym dogma holds that to build muscle size you need to lift heavy weights. (1) , a new study (2) at McMaster University has shown that a similar degree of muscle building can be achieved by using lighter weights. The secret is to pump air (3) you reach muscle fatigue.The (4) are published in PLoS ONE." (5) grunting and straining to lift heavy weights, you can (6) something much lighter but you have to lift it until you can’t lift it (7) ," says Stuart Phillips, associate professor of kinesiology at McMaster University. "We’re convinced that (8) muscle means (9) your muscle to make new muscle proteins, a process in the body that over time (10) into bigger muscles. "Phillips praised lead author and senior Ph.D. student Nicholas Burd for masterminding the project that showed it’s really not the weight that you lift but the fact that you get muscular fatigue that’s the (11) point in building muscle. The study used light weights that (12) a percentage of what the (13) could lift. The heavier weights were set (14) 90% of a person’s best lift and the light weights at a mere 30%o of what people could lift. "It’s a very light weight," says Phillips noting that the 80% 90% (15) is usually something people can lift from 5～10 times before fatigue sets in. At 30%, Burd reported that subjects could lift that weight at least 24 times (16) they felt fatigue."We’re (17) to see where this new paradigm will lead," says Phillips, adding that these new data have (18) significance for gym enthusiasts but more importantly for people with compromised skeletal muscle mass, (19) the elderly, patients with cancer, or those who are (20) from trauma, surgery or even stroke. 4（）
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