2. 外语
  3. Most people would be 21 by the high quality of medicine 22 to most Americans. There is a lot of specialization, a great deal of

Most people would be 21 by the high quality of medicine 22 to most Americans. There is a lot of specialization, a great deal of

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问题     Most people would be 21 by the high quality of medicine 22 to most Americans. There is a lot of specialization, a great deal of 23 to the individual, a 24 a-mount of advanced technical equipment, and 25 effort not to make mistakes because of the financial risk which doctors and hospitals must 26 in the courts if they 27 things badly.
    But the Americans are in a mess. The problem is the way in 28 health care is organized and 29. 30 to pubic belief it is not just a free competition system. The private system has been joined a large public system, because private care was simply not 31 the less fortunate and the elderly.
    But even with this huge public part of the system, 32 this year will eat up 84. 5 billion dollars—more than 10 percent of the U. S. Budget—large number of Americans are left 33 These include about half the 11 million unemployed and those who fail to meet the strict limits 34 income fixed by a government trying to make savings where it can.
    The basic problem, however, is that there is no central control 35 the health system. There is no 36 to what doctors and hospitals charge for their services, other than what the public is able to pay. The number of doctors has shot up and prices have climbed. When faced with toothache, a sick child, or a heart attack, all the unfortunate persons concerned can do is 37 up. Two thirds of the population 38 covered by medical insurance. Doctors charge as much as they want 39 that the insurance company will pay the bill.
    The rising cost of medicine in the U. S. A. is among the most worrying problems facing the country. In 1981 the country’s health bill climbed 15. 9 percent—about twice as fast as prices 40 general.
选项 A、is being
B、are
C、have been
D、is
答案B
解析 此题属于语法题。本句中的主语Two thirds of the population应视为复数，讲述的是一般事实，故用一般现在时态，故选项[B]are正确。全句可译为：2／3的美国人参加了医疗保险。
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