第二部分阅读理解专题十六事实细节Passage1(·浙江,A)Nooneknowsforsurewhenadvertisingfirststarted
Itispossiblethatitgrewoutofthediscoverythatsomepeopledidcertainkindsofworkbetterthanothersdidthem
Thatledtotheconceptofspecialization,whichmeansthatpeoplewouldspecialize,orfocus,ondoingonespecificjob
Let'stakeamanwe'llcallMr
Fielder,forexample
Hedideverythingconnectedwithfarming
Heplantedseeds,tendedthefields,andharvestedandsoldhiscrops
Atthesametime,hedidmanyotherjobsonthefarm
However,hedidn'tmakethebricksforhishouse,cuthistreesintoboards,maketheplows(犁),oranyoftheotherhundredsofthingsafarmneeds
Instead,hegotthemfrompeoplewhospecializedindoingeachofthosethings
SupposetherewasanothermanweshallcallMr
Plowright
Usingwhatheknewaboutfarmingandworkingwithiron,Mr
Plowrightinventedaplowthatmadefarmingeasier