Directions: There are 10 questions in this part of the test. Read the passage through. Then, go back and choose one suitable wor

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问题     Directions: There are 10 questions in this part of the test. Read the passage through. Then, go back and choose one suitable word or phrase marked A, B, C, or D for each blank in the passage.
The health-care economy is filled with unusual and even unique economic relationships. One of the least understood involves the  (41)   roles of producer or "provider" and purchaser or "consumer" in the typical doctor-patient relationship. In most sectors of the economy, it is the seller who attempts to attract a  (42)   buyer with various inducements of price, quality, and utility, and it is the buyer who makes the  (43)  . Where circumstances permit the buyer no choice because there is effectively only one seller and the product is relatively  (44)  , government usually asserts monopoly and places the industry under price and other regulations.  (45)   of these conditions prevails in most of the health-care industry.
    In the health-care industry, the doctor-patient relationship is the mirror image of the ordinary relationship between producer and consumer.  (46)   an individual has chosen to see a physician-and even then there may be no real choice-it is the physician who usually makes all significant  (47)   decisions: whether the patient should return "next Wednesday", whether drugs should be prescribed, etc. It is a rare and sophisticated patient who will  (48)   such professional decisions or raise in advance questions about price, especially when the disease is regarded as serious.
    This is particularly significant in  (49)   to hospital care. The physician must certify the need for hospitalization, determine what procedures will be performed and announce when the patient may be  (50)  .
(42)

选项 A、shrewd
B、potential
C、sophisticated
D、wealthy

答案B

解析 四个选项均可用来修饰空格后的名词buyer。根据常识,精明(shrewd)和老练(sophisticated)的顾客不太容易被销售者提出的各种诱惑所左右,因此shrewd和sophisticated都不恰当;wealthy用在句中更不恰当;potential意为“未来的;潜在的,可能的”,填在空格后整个句子才合情合理。
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