#2017职称英语考试理工类B级阅读理解练习题(六) 搜索结果
Publicityoffersseveralbenefits.Therearenotcostsformessagetimeorspace.Anadinprime-timetelevisionmaycost$250,000to$5000,000ormoreperminute,whereasafive-minutereportonaworknewscastwouldn