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[Critical Reasoning]
试题详情
题目：
In a study conducted in Pennsylvania, servers in various restaurants wrote "Thank you" on randomly selected bills before presenting the bills to their customers. Tips on these bills were an average of three percentage points higher than tips on bills without the message. Therefore, if servers in Pennsylvania regularly wrote "Thank you" on restaurant bills, their average income from tips would be significantly higher than it otherwise would have been.
Which of the following is an assumption on which the argument relies?
选项:
A、The 'Thank you' messages would have the same impact on regular patrons of a restaurant as they would on occasional patrons of the same restaurant.
B、Regularly seeing 'Thank you' written on their bills would not lead restaurant patrons to revert to their earlier tipping habits.
C、The written 'Thank you' reminds restaurant patrons that tips constitute a significant part of the income of many food servers.
D、The rate at which people tip food servers in Pennsylvania does not vary with how expensive a restaurant is.
E、Virtually all patrons of the Pennsylvania restaurants in the study who were given a bill with 'Thank you' written on it left a larger tip than they otherwise would have.
答案:
B
提问：
错选了C，原文说：在一个研究中，随机选择的顾客看到写有“thank you”的bill，小费会平均高于没有写“thank you”的bill。因此，如果宾州的服务员在bill上习惯性的写上“thank you”的话，他们的平均收入会有显著的提高。不知道原文理解是否正确。问假设。我选的是C，文中的逻辑链是，写“thank you”退出“服务员的收入提高”，ACD感觉有没有回答问题，但是B我确实想不太明白。请老师解答。
解答：
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提问：
纠结AB选项，感觉两个选项说的是一个意思，不知是否对A选项理解有误。请问老师A选项可否理解为:"谢谢"这个信息经常在账单上出现和偶尔出现的效果一样？
解答：
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提问：
错选了C，原文说：在一个研究中，随机选择的顾客看到写有“thank you”的bill，小费会平均高于没有写“thank you”的bill。因此，如果宾州的服务员在bill上习惯性的写上“thank you”的话，他们的平均收入会有显著的提高。不知道原文理解是否正确。问假设。我选的是C，文中的逻辑链是，写“thank you”退出“服务员的收入提高”，ACD感觉有没有回答问题，但是B我确实想不太明白。请老师解答。
解答：
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提问：
BE怎么区分？
解答：
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提问：
看完选项就直接错选A，原因是觉得A说tip给的多了是因为不仅影响了长期客户也影响了偶尔来的，觉得正好和原味最后说的预期增长有关系。知道答案是B后分析觉得B说的是写不写thank you与消费者改变不改变习惯的事，与原文无关阿。
请老师讲解 谢谢。
解答：
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