By citing the detailed numbers related to the plant, the author intends to show that To today’s Americans, productivity improve

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问题 By citing the detailed numbers related to the plant, the author intends to show that
To today’s Americans, productivity improvements

选项 A、is a timely benefit.
B、helps their business to be more competitive.
C、restrains the job growth.
D、hold back the GDP growth.

答案C

解析 事实细节题。山题干中的productivity improvements定位至第二段首句。该句指出生产率提高的好处。但需要注意的足本题提问的是today’s Americans,因此需要继续阅读后面的内容,看看是否与首句意思表述不同。该段第二句出现了But,后面的today’s soaring productivity恰好与题干内容吻合,因此确定为本题考点所在。该句指出:今天快速提高的牛产率产生一个有害的副作用—抑制就业率的提高。答案项是对此副作用的同义转述。"a timely benefit"与该段首句中的a boon(裨益)一致,但其前提是A healthy economy,与题干中的today’s Americans不同,排除该项。"帮助公司变得更有竞争力"也是首句中in a healthy economy中的内容,同理排除。该段第三句提到GDP grew at an annual rate of 2.4 percent,这与"hold back the GDP growth"相悖。
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