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题库 / Prep2012-CR-72
Which of the following most logically completes the argument?
Yorco and Zortech are two corporations that employ large numbers of full-time workers who are paid by the hour. Publicly available records indicate that Yorco employs roughly the same number of such hourly wage workers as Zortech does but spends a far higher total sum per year on wages for such workers. Therefore, hourly wages must be higher, on average, at Yorco than at Zortech, since _____.
Zortech spends a higher total sum per year than Yorco does to provide its hourly wage workers with benefits other than wages
the work performed by hourly wage workers at Zortech does not require a significantly higher level of skill than the work performed by hourly wage workers at Yorco does
the proportion of all company employees who are hourly wage workers is significantly greater at Yorco than it is at Zortech
overtime work, which is paid at a substantially higher rate than work done during the regular work week, is rare at both Yorco and Zortech
the highest hourly wages paid at Yorco are higher than the highest hourly wages paid at Zortech
这种rate的区别：sum$= # hourly employment * hourly wage
Sum 增加，一种是hourly wage增加，一种是employee # 增加
题中说了，#不变，所以是hourly wage 增加，这里很tricky
错选B: 以为解释的是为什么Y的hourly wage会高，Trap！！！
答案D：说两公司的overtime时间差不多，所以不存在一家是因为overtime多而被pay多的，所以只能是hourly wage高，sum才高！！！
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