也没有嫌弃他长的难看。
赵甜不啰嗦。
直接拿出手机。
1.雨数 y=arcsim(T+的定义域为
2.函数）＝X+e°上点（ 0， 1 ）处的切线方程是___————-
3 .设f（X）在X。可导,且f(x)= A，则lim-f(x,+2h)—5(x。-3h)为-20
4.设曲线过（0， 1），且其上任意点（x.y）的切线斜率为2，则该曲线的方程是------
看到题目。
欧阳神情有点呆滞。
梦回那年大一。
“写吧，时间2分钟。”
赵甜说完拿出一个计时器。
啊，不是。
谁来相亲写高数啊。
还好是大一的题目。
欧阳很快在时间内写出了。
赵甜立马调出英语。
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 nearChicago. It hoped they would learn how shop-floor lightingworkers'productivity. Instead, the studies ended 2 giving their name to the "Hawthorne effect," the extremely influential idea that the very
3of being experimentedupon changed subjects' behavior.The idea arose because of the
4behavior of the women in the plant.According toof the experiments, their hourly output rose when lightingwas increased, but also when it was dimmed. It did not6what was done in
the experiment;7 something was changed, productivity rose. A(n)thatthey were being experimented upon seemed to be9to alter workers'behavior10 itself.After several decades, the same data were11to econometric analysis. TheHawthorne experiments had another surprise in store.12the descriptions onrecord, no systematic13was found that levels of productivity were related tochanges in lighting.It turns out that the peculiar way of conducting the experiments may have led to14 interpretations of what happened.15, lighting was alwayschanged on a Sunday. When work started again on Monday, output .16rosepared with the previous Saturday and .17 to rise for the next couple ofdays.18, a parison with data for weeks when there was no experimentation showed that output always went up on Mondays. Workers
19to be diligent forthe first few days of the week in any case, before20_ a plateau and then
slackening off. This suggests that the alleged "Hawthorne effect is hard to pin down.
欧阳杰惶恐。
赵甜声音没有一丝感情色彩。
“8分钟的时间告诉我正确答案。”
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