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  3. The nation’s 47 million uninsured are not the only reason that health care has become a big issue in the presidential campaigns.

The nation’s 47 million uninsured are not the only reason that health care has become a big issue in the presidential campaigns.

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问题     The nation’s 47 million uninsured are not the only reason that health care has become a big issue in the presidential campaigns.【F1】______Even back in 2005, the health expenditures for each U.S. citizen exceeded the entire per capita incomes of Chile or Venezuela.
    The soaring spending is rooted in the nation’s technophilia: medical technology accounts for asmuch as half the growth in health care spending.【F2】______Our love affair with next-generation imagingmachines, implantable devices and the like has blinded us to the reality that little evidence often exists for whether something novel works any better than existing equipment, procedures or chemicals.
    The recently published book Overtreated by New America Foundation Fellow Shannon Brownlee documents how surgical operations to relieve back pain, elective angioplasties that enlarge partially blocked coronary arteries and superfluous computed tomography contribute to the $400 billion to $700 billion in medical care that does not better our health In 2005 the state of Ohio had more magnetic resonance imaging (MRI) scanners than did all of Canada, leading physicians in Toledo to joke about why cars passing by city hospitals don’t swerve out of control because of strong magnetic fields.【F3】______
    Brownlee’s book does not even touch on some ultra-high tech, such as the University of Texas M.D.Anderson Cancer Center’s $125-million proton-beam faculty, filled with a physics-grade particleaccelerator, that kills tumor cells.【F4】______One solution, advocated by Brownlee and some other healthpolicy analysts, is a renewal of the Agency for Healthcare Research and Quality (AHRQ)—or the creation of an organization like it—that would compare different treatments. It would be entrusted with comparing the benefits and risks of drugs, procedures and medical devices, while assessing any benefits against costs. The same Newt Gingrich—led Congress that eliminated the office of Technology Assessment in 1995 almost did away with the AHRQ, which barely survived with diminished funding and powers.
   【F5】______For a revitalized AHRQ or a clone thereof to work as it should will require that a newpresident follow through with adequate funding, an assurance that Medicare will consider seriously its findings and, perhaps most important, a Federal Reserve—like independence from the momentary whims ofthe political establishment. Awatchdog thathelpsto ensure we pay only forwhat works, notwithstanding the entreaties of drug companies and equipment manufacturers to do the opposite, will provide a powerful brake on the growing costs already choking our medical system.
    A.Questions remain, however, about whether proton beams are more effective than another form of radiotherapy that M. D.Anderson already offers.
    B.Besides leaving many uncovered, the U.S. also has trouble controlling the spending habits of a health care giant that is on track to consume 20 cents of every dollar by 2015, a tripling from 1970 levels.
    C.It now serves only as an information clearinghouse, not an organization that makes recommendations on Medicare reimbursement decisions.
    D.Although this trend has benefited everyone—witness the near halving of heart attack deaths from 1980 to 2000—not all those added dollars have been as well spent as drug and device manufacturers would have us believe.
    E.Yet studies have shown that imaging techniques such as MRI have not improved diagnosis as much as doctors and patients think they have.
    F.Several Democratic candidates, including Senators Hillary Clinton and Barack Obama, have expressed their approval to the need for institutes that would lay the foundation for "evidence-based" medicine.
【F1】
选项
答案B
解析 本段首句即指出美国数量众多未投保的人(uninsured)并不是医疗保健成为大选热点的唯一原因，由此推测空白处应提供另一个原因，而下文提及美国公民的医疗保健支出(health expenditures)庞大，可推测另一原因为医疗保健支出问题。B中信息点spending habits和tripling说明了美国人医疗支出过多。与全段大意相符，故正确。
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