53. What do we learn from Dan Ariely's experiment?
- A. Lower-priced goods attract more customers.
- B. The Economist's promotional strategy works.
- C. The Economist's print edition turns out to sell the best.
- D. More readers choose the digital over the print edition.
答案：B
答案句：Ariely ran an experiment and found that when only the two “real” choices were offered, more people chose the less-expensive digital subscription. But the addition of the bad option made people much more likely to choose the more expensive print plus digital option.
参考译文：艾瑞里做了一个实验，发现当只提供两个“真正”的选择时，更多人选择了较便宜的电子订阅。但加入那个糟糕的选项后，人们更可能选择更贵的纸质加电子订阅。
定位线索：题干“What do we learn from Dan Ariely's experiment”→答案句取自第3段“Ariely ran an experiment and found...”；文中“the addition of the bad option made people much more likely to choose the more expensive print plus digital option”对应选项B“The Economist's promotional strategy works”（即通过增加诱饵选项促使顾客选择更贵的产品，促销策略奏效）。
解析：题干问从艾瑞里的实验能得知什么。答案句说明实验发现：加入“糟糕的选项”后，人们更可能选择更贵的纸质加电子订阅，这正是《经济学人》的促销策略，即选项B。选项A“低价商品吸引更多顾客”与实验结果相反；选项C“纸质版卖得最好”偷换概念，实验结果是“print plus digital”卖得最好；选项D“更多读者选择电子版”只在没有诱饵选项时成立，不是实验的完整结论，属于范围缩小。
55. How do we assess the value of a commodity, according to the passage?
- A. By considering its usefulness.
- B. By comparing it with other choices.
- C. By taking its quality into account.
- D. By examining its value equation.
答案：B
答案句：The decoy effect works because of the way our brains assign value when making choices. Value is almost never absolute; rather, we decide an object's value relative to our other choices. If more options are introduced, the value equation changes.
参考译文：诱饵效应之所以起作用，是因为我们的大脑在做选择时赋予价值的方式。价值几乎从来不是绝对的；相反，我们根据其他选择来决定一个物体的相对价值。如果引入更多选项，价值等式就会改变。
定位线索：题干“How do we assess the value of a commodity”→答案句取自第5段“we decide an object's value relative to our other choices”；文中“relative to our other choices”对应选项B“by comparing it with other choices”。
解析：题干问根据文章，我们如何评估商品价值。答案句明确指出“we decide an object's value relative to our other choices”，即价值是相对于其他选择来决定的，对应选项B“by comparing it with other choices”。选项A“考虑实用性”、C“考虑质量”在原文中均未提及，属于无中生有；选项D“检查价值等式”是对原文“value equation”的曲解，原文是说价值等式会改变，而非通过检查价值等式来评估价值，属于偷换概念。