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  3. In 1924 America’s National Research Council sent two engineers to supervise a series of experiments at a telephone-parts factory

In 1924 America’s National Research Council sent two engineers to supervise a series of experiments at a telephone-parts factory

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问题     In 1924 America’s National Research Council sent two engineers to supervise a series of experiments at a telephone-parts factory called the Hawthorne Plant near Chicago. It hoped they would learn how shop-floor lighting 【B1】 workers’ productivity. Instead, the studies ended 【B2】 giving their name to the " Hawthorne effect, " the extremely influential idea that the very 【B3】 of being experimented upon changed subjects’ behavior.
    The idea arose because of the 【B4】 behavior of the women in the plant. According to 【B5】 of the experiments, their hourly output rose when lighting was increased, but also when it was dimmed. It did not 【B6】 what was done in the experiment; 【B7】 something was changed, productivity rose. A(n) 【B8】 that they were being experimented upon seemed to be 【B9】 to alter workers’ behavior 【B10】 itself.
    After several decades, the same data were 【B11】 to econometric analysis. The Hawthorne experiments had another surprise in store. 【B12】 the descriptions on record, no systematic 【B13】 was found that levels of productivity were related to changes in lighting.
    It turns out that the peculiar way of conducting the experiments may have led to 【B14】 interpretations of what happened. 【B15】 , lighting was always changed on a Sunday. When work started again on Monday, output 【B16】 rose compared with the previous Saturday and 【B17】 to rise for the next couple of days. 【B18】, a comparison with data for weeks when there was no experimentation showed that output always went up on Mondays. Workers 【B19】 to be diligent for the first few days of the week in any case, before 【B20】 a plateau and then slackening off. This suggests that the alleged "Hawthorne effect" is hard to pin down.
选项 A、affected
B、achieved
C、extracted
D、restored
答案A
解析 本题考查动词。最简结构为：厂房照明怎样______工人的生产效率。A项表示“影响”；B项表示“成就”；C项表示“萃取”；D项表示“恢复”。很明显，厂房照明只能“影响”生产效率。
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