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多机松散机构可直接传送数据。（　　）

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Text 2 Disruptive students are a headache for public schools.They distract from lessons,skip class,and often bring down the graduation rates.That's why school districts across the country have resorted to opening altemative schools in recent decades,with hopes that smaller classes and individual attention might help these students get their diplomas.But even these alternative schools（which differ from charter schools in that they are still part of school districts and thus answer to supervisors）can be a burden:They're expensive to run,and their graduation rates are still pretty low.Desperate for help,many school districts are now hiring private companies to manage these altemative schools and educate their most troublesome students.Large,urban districts like Chicago and Philadelphia have been working with this emerging industry for several years now.Though research shows that problematic students in Philadelphia did better in alternative schools than traditional ones,there is a wide variance in school quality,and detailed information about their curricula is scarce.The question on the table is whether a business whose job it is to make money can better educate vulnerable students than a public system with no profit motive.It's not too different from the dynamic between the federal government and the private companies running its prisons across the country.But the Justice Department announced last week that it would stop contracting with the private sector,in part because it doesn't seem to save that much money,and in part because the service didn't improve either.Richmond is one of the latest cities to experiment with outsourcing education.In July,the city hired a Texas-based company called Camelot Education to run the Richmond Altemative SchooL which last year served 223 students from across the city in grades 6 through 11.Nearly all of the students at Richmond Alternative are black（97 percent）and most are poor（87 percent qualify for free lunches）.Somc black parents once dubbed it the colored children's prison and it has been criticized for contributing to what's called the school-to-prison pipeline-Virginia is the state that refers the most students to law enforcement.Data provided by Richmond's school district shows that its altemative school has been floundering for years,When the school year ended three months ago,the numbers were alarming:The dropout rate had jumped to 38 percent,compared t0 28 percent just two years earlier.And students'scores in nearly every subject had fallen by 50 percent or more during that time.It can be inferred that alternative schools are founded to_____
A.offerdiplomastodisruptivekids
B.layheavyburdensonlocalschools
C.providesmallerclassesandindividualattention
D.preventdisruptivechildrenfromenteringpublicschools
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Text 2 Death comes to all,but some are more sure of its timing,and can make plans.Kate Granger,a 32-year-old doctor suffering from an incurable form ofsarcoma,has very strong ambitions for her last hours.She plans to avoid hospital emergency departments and die at her parents'house-music playing,candles glowing,family by her side.Surveys show that over two-thirds of Britons would like to die at home.Like Dr Granger,they want to be with family and free of pain.Yet hospital remains the most common place of death.For some this is unavoidable-not every disease has as clear a tuming point as cancer-but for others a lack of planning is to blame.The government,motivated by both compassion and thrift,wants to help.In death,at least,public wishes align neatly with the state's desire to save money.The NHS has calculated that if roughly one more patient per general practitioner died outside hospital each year,it would save 180m（$295m）.In 2008 it introduced a broad end-of-life care strategy,which sought to increase awareness of how people die while improving care.Since then the proportion of people dying at home or in care homes（the split is about half-and-halfbetween them）has increased,from 38%t0 44%.To steer patients away from hospitals,general practitioners have been encouraged to find their l%-those patients likely to die in the next year-and start talking about end-of-life care.This can be difficult for doctors. As a profession we view death as failure, says Dr Granger.Yet when there is no cure to be had,planning for death can be therapeutic for patients.Those who do plan ahead are much more likely to have their wishes met.A growing number of patients have electronic palliative-care co-ordination systems ,which allow doctors to register personal preferences so that other care providers can follow them.A paramedic called to a patient's home would know of a do-not-resuscitate order,for example.One study showed that such systems increase the number of people dying in their homes.But savings for the govemment may mean costs for charities and ordinary folk.At the end of life it is not always clear who should pay for what.Although Britons can get ordinary health care without paying out of pocket,social care is means-tested.People must ofien shell out for carers or care homes-or look after the terminally ill themselves.Disputes crop up over trivial things,like responsibility for the cost of a patient's bath.A bill now trundling through Parliament would cap the cost of an individual's social care.Still,some want it to be free for those on end-of-life registries.That would cut into the government's savings-but allow more people to die as they want.The word trundling （Para.7）is closest in meaning to——.
A.covering
B.working
C.overwhelming
D.identifying
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