| 
 
UID546766在线时间 小时注册时间2010-7-16最后登录1970-1-1主题帖子性别保密 
 | 
| Last year a record number of new manufacturing jobs were created. Will this year bring another record? Well,
 a new manufacturing job is created either within an
 existing company or by the start-up of a new company.
 Within existing fi rms, new jobs have been created this
 year at well below last year’s record pace. At the same
 time, there is considerable evidence that the number
 of new companies starting up will be no higher this
 year than it was last year, and surely the new
 companies starting up this year will create no
 more jobs per company than did last year’s
 start-ups. Clearly, it can be concluded that the
 number of new jobs created this year will fall
 short of last year’s record.
 In the argument given, the two portions in boldface
 play which of the following roles?
 | 
 |