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题库 / Prep2007E2-CR-19
With a record number of new companies starting up in Derderia and with previously established companies adding many jobs, a record number of new jobs were created last year in the Derderian economy. This year, previously established companies will not be adding as many new jobs overall as such companies added last year. Therefore, unless a record number of companies start up this year, Derderia will not break its record for new jobs created.
Which of the following is an assumption on which the argument relies?
Each year, new companies starting up create more new jobs overall than do previously established companies.
Companies established last year will not add a greater number of jobs overall this year than they did last year.
This year, the new companies starting up will not provide substantially more jobs per company than did new companies last year.
This year, the overall number of jobs created by previously established companies will be less than the overall number of jobs lost at those companies.
The number of jobs created in the Derderian economy last year was substantially larger than the number of jobs lost last year.
原文是说，去年在D这个地方，出现了许多新公司｛A｝，增加了许多职位，而且老公司｛B｝也在增加职位，因此总的来说职位增加达到了一个记录；而今年，established companies (这里应该包括｛A｝+｛B｝) 增加的职位不会比去年｛B｝增加的职位多，因此为了超过去年的记录，就要出现一批跟去年新公司｛A｝差不多多的新公司｛C｝来增加职位才行。
这道题是认为C要和A数量差不多，才可以提供相当的职位，总的来说来到去年的水平。 （如果今年只增加1个新公司，但是提供了100万个职位）
因此assumption应该是C，今年的新公司，每个公司增加的职位不会比去年的多，那也就是要在公司数量上平衡。
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