The U.S.will come to lose its leading place in technology probably because

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问题 The U.S.will come to lose its leading place in technology probably because
The United States is on the verge of losing its leading place in the world’s technology. So says more than one study in recent years.The main reason for this decline is the parallel decline in the number of U.S. scientists and engineers. Since 1976, employment of scientists and engineers has gone up 85 percent. This trend is expected to continue. However, the trend shows that the number of 22-year-olds—the near term source of future PhDs—is declining.Further adding to the problem is the increased competition for these candidates from other fields: law, medicine, business, etc. While the number of U.S. PhDs in science and engineer ing declines, the award of PhDs to foreign nationals is increasing rapidly. Our inability to motivate students to pursue science and engineering careers at the graduate level is compounded because of the intense demand in dustry has for bright Bachelor’s and Master’s degree holders. Too often, promising PhD candidates, confronting the cost and financial sacrifice of pursuing their education, find the attraction of industry irresistible.

选项 A、the number of PhD degree holders is declining.
B、the number of scientists and engineers is decreasing.
C、the number of 22-year-olds is declining.
D、scientists and engineers are not employed.

答案B

解析 细节题。短文一开始点明主题,美国将逐渐失去它在技术方面的领先地位,原因是科学家和工程师在数量上双双减少,接下来分析了减少的原因。B为正确答案。A具有强干扰性,但不是博士生总量少了,而是从事科学和工程方面的博士生少了,故应排除。
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