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Just seven years ago, the Jarvik-7 artificial heart was being cheered as the
Just seven years ago, the Jarvik-7 artificial heart was being cheered as the
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2023-07-17
24
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问题
Just seven years ago, the Jarvik-7 artificial heart was being cheered as the model of human creativeness. The sight of Barney Clark—alive and conscious after trading his diseased heart for a metal-and-plastic pump— convinced the press, the public and many doctors that the future had arrived. It hadn’t. After monitoring production of the Jarvik-7, and reviewing its effects on the 150 or so patients (most of whom got the device as a temporary measure) the U.S. Food and Drug Administration concluded that the machine was doing more to endanger lives than to save them. Last week the agency cancelled its earlier approval, effectively banning (禁止) the device.
The recall may hurt Symbion Inc., maker of the Jarvik-7, but it won’t end the request for an artificial heart. One problem with the banned model is that the tubes connecting it to an external power source created a passage for infection. Inventors are now working on new devices that would be fully placed, along with a tiny power pack, in the patient’s chest. The first sample products aren’t expected for another 10 of 20 years. But some people are already worrying that they’ll work—and that America’s overextended health-care programs will lose a precious $2.5 billion to $5 billion a year providing them for a relatively few dying patients. If such expenditures (开支) cut into funding for more basic care, the net effect could actually be a decline in the nation’s health. [br] Some people feel that ______.
选项
A、artificial hearts are seldom effective
B、the country should not spend so much money on artificial hearts
C、the country is not spending enough money on artificial hearts
D、America’s health-care programs are not doing enough for the nation’s health
答案
B
解析
第2段倒数第2句But some people are already worring…这句话体现了有些人已经在担心,为为数不多的垂危病人动用巨额资金购置新型的人造心脏是否合算,而由该段最后一句可以看出作者认为这样的做法是不明智的,因此B是答案。
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