119. (28734-!-item-!-188;#058&003375) (GWD 17-Q30)
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? 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. Ans:B 這題我雖然最後會選B~~不過A選項我有疑問~~想請教大家~~! A選項說 Thank you~這messages對 常客或是偶而來的客人有相同的影響~~我覺得~既然Thank you 都會有相同影響~~那不管是哪一種客人來~~都會付出高於3%的tips~~所以感覺似乎可以當成assumption~!! 但是我把B選項套進A選項後~~感覺如果B選項~~弄成相反的意思 B. Regularly seeing “Thank you” written on their bills would lead restaurant patrons to revert to their earlier tipping habits.代進去A選項後~~就會使A不成立~~因為即使Thank you的作用對兩種客人都相同~~選項中沒說作用是好還是壞~~所以他們都可能反而會因為看到Thank you 而不願意多付錢~~避之唯恐不及~~導致A選項不成立??!! 不知道大家怎麼排除A選項的?? 還是說A選項根本是不相關阿?? 請大家指點迷津一下囉~~謝謝~!!
B. Regularly seeing “Thank you” written on their bills would lead restaurant patrons to revert to their earlier tipping habits.代進去A選項後~~就會使A不成立~~因為即使Thank you的作用對兩種客人都相同~~選項中沒說作用是好還是壞~~所以他們都可能反而會因為看到Thank you 而不願意多付錢~~避之唯恐不及~~導致A選項不成立??!! 不知道大家怎麼排除A選項的?? 還是說A選項根本是不相關阿?? 請大家指點迷津一下囉~~謝謝~!! |