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[单选题]Text l Americans,we are told,believe in competition.But a shockingly large number of workers-30 million-are shackled by what are called"noncompetes,"which are agreements forbidding employees to leave their job to work for a competitor or to start their own competing business.And the number is growing fast.Once reserved for a corporation's most treasured rainmakers,noncompetes are now routinely applied to low-wage workers like warehouse employees,fast-food workers and even dog sitters.Like other anti-competitive practices,they poison our economy in larger,less perceptible ways.A report from the Treasury Department suggests that noncompetes should be banned for all employees,regardless of skill,industry or wage;they simply do more harm than good.Because laws governing noncompetes vary from state to state,we can analyze the effects of these kinds of contracts on wages,competition and labor mobility.The evidence shows wages in states that enforce noncompetes are 10 percent lower than in states that restrict their use.The Treasury Department concluded in its recent report that"by reducing workers'job options,noncompete agreements force workers to accept lower wages in their current jobs,and may sometimes induce workers to leave their occupations entirely,forgoing accumulated human capital."Workers shackled by noncompetes cannot rely on outside offers and free-market competition to fairly value their talents.Without incentives to increase wages in-house,companies can allow salaries to plateau.California and Massachusetts offer a case study within the high-tech industry.California strictly voids all noncompete agreements.Massachusetts,like most other states,enforces noncompetes.Both states enjoyed an early boom within the high-tech market,but California's Silicon Valley has continued growing,while Massachusetts has sputtered.In Massachusetts the enforcement of those agreements kept out new businesses by preventing people most likely to start new businesses-experienced former employees-from staying in the region.Meanwhile,in Silicon Valley,entrepreneurial activity flourished;thanks to California's refusal to enforce all noncompetes（including those from other jurisdictions）,it remains the tech center of the world.The best companies already realize the damaging effect of post-employment restrictions.Companies with little turnover risk becoming stagnant and short-sighted.In fact,relying on noncompetes rather than active recruitment and retention creates a market for lemons-a business will end up with employees who stay despite their unhappiness.Smart leaders treat departing employees as alumni,rather than sour exes in a divorce.But too many other employers have become increasingly inclined to bring disagreements with their former employees to court,relying on noncompetes rather than positive incentives to retain the best talent and reduce the competition.The liberty to move in the job market not only supports workers'choice,equality and wage growth but also creates the competition that catalyzes entrepreneurship,innovation and overall economic growth.If we want a healthy and free market,we should not shackle workers to the first business that offers them a job.Let them compete.
The case study is mentioned to illustrate that noncompetes can_____.
A.bring short-term economic advantages
B.reduce talent exchange between states
C.srifle enirepreneurship and competition
D.resuli in wider regional disparities
[单选题]Text l Recently,the Washington Post published a survey conducted with the Kaiser Family Foundation and Harvard University on the U.S.economy.Although black and Hispanic families were hurt by the Great Recession,it was the"non-college whites"who held the darkest view of the country.These men used to be the backbone ofan economy built by brawn and rooted in manufacturing jobs.But now,nostalgic and despondcnt in equal measure,more than half said that America's best days were past,and 43 percent said"hard work and determination are no_guarantees of success."lf good,steady,well-paying work is the key to any person's economic satisfaction,there are scveral reasons to be nervous about the upcoming generation.Since 2000,the labor-force participation rate of young men undcr the age of 35 without a college degree has declined more than any other age-and-gender group.Since the turn of the century,the participation rate of 16-to-24-year olds with just a high-school degrce has fallen IO points to about 70 percent.Some of this drop is attributable to rising college attendance.But not all ofit.Nine percent ofAmericans between 20 and 24 are neither in school,work,or training.For the first time since at least the 1940s,young men are more likely to be living with their parents than with romantic partners.It's not the cost ofcollege or the weight of student loans alone that is forcing young people to stay home.Young adults without a high-school or college degree are far more likely to live with their parents.For young black men,this trend is hardly new;even in 1980s,they were more likely to live with their parents than with a spouse or girlfriend.As for what they're doing all day,Erik Hurst,an economist at the University of Chicago,is now conducting research that suggests that non-college men who aren't in the labor market are spending a considerable amount of their time in front of screens.Detached from the labor force,with neither a college degree nor a steady job,these men have little income.But the technological revolution in media and entertainment of the last few decades has made it cheaper than ever to divert oneself on a phone,computer,television,or video-game console.Cheap and abundant entertainment anesthetizes less-skilled and Iess-educated young men in the present.But in the long run,it cuts them off from the same things that provide meaning in middle age,according to psychological and longitudinal studies-a career,a family,and a sense of accomplishment.23.The main reason for young men to live with their parents lies in
A.the increase of college cost and students loans.
B.lack of romantic partners to share the rent of apartments.
C.hardly new trend to live with parents rather than partners.
D.young adults'difficulty in findingjobs without a college degree.
[单选题]Text l If comfortably outpacing your rivals is the main measure of automotive achievement,Tesla's electric car is a resounding success.The Model S last year outsold its nearest luxury rival,Mercedes's petrol-engined S-class,by 30qo in America.And in its top specification the Tesla will also beat the Cerman car in the race from 0-60mph.As a battery-maker Tesla is also moving fast.This week it announced plans to build a"gigafactory"in America to make lithium-ion power-packs,that it hopes will propel its vehicles to the mainstream.Tesla's acceleration has been rapid.Launched a decade ago by Elon Musk,a founder of PayPal and serial tech entrepreneur,last year it sold around 22,000 cars and by the end of 2014 hopes to be making l,000 a week.In early 2015 Tesla will add the Model X,a medium-sized SUV,to its range.However,Tesla's impressive growth has not yet tranalaLed into significant profits.A series of b8ttery fires also briefly dented sales growth last year.Nevertheless,Tesla's shares surged on February 25th,to value the company at over$30 billion after Morgan Stanley,a bank,joined its adoring fans.It reckons that the battery factory will not only propel it along the road to mass manufacturing but also make it a leading competitor in low-cost enerOr storage,Lhe key to making renewable energy more practical.The bank is also confident that Tesla's Silicon Valley location will put it in the driverless front seat of autonomous motoring.A recent meeting with Apple,and the iPad-like control panel of the Model S,have convinced some ob~servers that a takeover-and an iCar are around the corner,although Mr Musk insists that his firm is not for sale.Tesla has defied its doubters with the success of the Model S,a smartly styled luxury car.It may not share the outrageous looks of a supercar like the Lamborghini Aventador,but it has the performance without the$400,OOO-plus price tag.The most basic Model S costs$64,000 in America.This has won it rave reviews in the motoring press,often sniffy about other electric cars with limited ranges and duff looks.By designing a large car wiLh a big battery pack,Tesla has diminished"range anxiety"-one version can d0 310 nules（500km）between charges.
Which one of the following is true about Tesla's ModelS?
A.It has duff looks and limited range.
B.It looks as impressive as other super cars.
C.It is not worth spending so much money on it.
D.It has changed people's view towards the electric car.
[单选题]Text l The outrage surrounding Donald Trump's decision to withdraw from the 2015 Paris Agreement is understandable.But no matter how much the President huffs and puffs,his views will go the way of some of the previous victims of climate change:the dinosaurs.We should not dismiss the measures and targets which the Paris Agreement looked to put in place.Even without the United States,the impact which they have will be pronounced.But the hard truth which the Trump administration will one day face up to is that they have already become marginalised and the future of action to limit the effects of climate change will now come,not from governments,but from the private sector.With this in mind,Trump's attempts to frame the decision to pull out of the Paris Agreement in any sort of economic terms seem flawed.The upside to his decision will be another"big win for the Donald",appealing to his political core.However,on his favourite subject-jobs-the statistics are against him,as the US solar industry now employs nearty twice as many workers as oil,gas and coal combined.In the UK,despite changes in regulation and cuts to subsidies,renewable energy continues to flourish.Solar energy is providing record percentages of power to the National Grid,while on stormier days,North Sea wind farms can now produce over 100 per cent of the energy used in Scotland.Meanwhile,attempts to develop a new shale-gas industry have so far floundered,despite significant government support.The past decade has seen a green energy revolution across the globe.Over 18 per cent of the world's power is now produced from renewable sources and this proportion looks set to rise in the coming years and decades.The growth in renewables has improved the efficiency of these cleaner forms of power,with costs per unit declining and set to fall further still.This growth is being reflected in the value of investments,as markets are already being reshaped as new players enter traditional industries,backed by capital rich private investors seeking sustainable long-term returns.Tesla,the electric vehicle maker founded in 2003,now has a market capitalisation over 20 per cent higher than Ford.It is also telling that the oil price fell after Trump's announcement.In theory oil and coal should have been prime beneficiaries of Trump's decision.Political impetus to act on climate change,through projects like the Paris Agreement,remains relevant.It would undoubtedly have been better if Trump had swallowed his pride and backed away from this decision.Yet when it comes to the future of our climate,it will be the thousands of businesses,millions of jobs and billions of consumers who decide,through the choices,purchases and investments they make,what that future will be.Even the leader of the free world is impotent against that tidal wave.
Which of the following would be the most appropriate title for the text?
A.Renewables Are Defeating Fossil Fuels.
B.Trump's Decision Triggers Public Outrage.
C.Markets Will Tackle Climate Change,with or without Trump.
D.The Paris Agreement Will Take Effect,in Spite of Trump's Quit.
