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1、Unit6Whenwasitinvented?2dPaul:HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?Roy:Mypleasure!Letmethink...hmm...Iknow!Thezipper!Paul:Thezipper?Isitreallysuchagreatinvention?Roy:Thinkabouthowoftenit’sus
2、edinourdailylives.Youcanseezippersondresses,trousers,shoes,bags...almosteverywhere!Paul:Well,youdoseemtohaveapoint...Roy:Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.Forexample,itmentionedthatthezipperwa
3、sinventedbyWhitcombJudsonin1893.Butatthattime,itwasn’tusedwidely.Paul:Really?Sowhendiditbecomepopular?Roy:Around1917.2bDoYouKnowWhenBasketballWasInvented?Basketballisamuch-lovedandactivesportmorethan100millionpeopleinover200countries.InChina,youcansometimess
4、eepeopleplayingbasketballinparks,schoolsandeveninfactories.BasketballwasinventedbyaCanadiandoctornamedJamesNaismith,whowasbornin1861.Whenhewasatcollege,histeacheraskedtheclasstothinkofagamethatcanbeplayedinthewinter.Dr.Naismithcreatedagametobeplayedinsideona
5、hardfloor.Dr.Naismithdividedthemeninhisclassintotwoteamsandtaughtthemtoplayhisnewgame.Thepurposeofthegameisforplayerstogetaballintothe“basket”.Playersonthesameteammustworktogethertohelpeachothergettheballintheotherteam’sbasket.Atthesametime,theyneedtostopthe
6、competingteamfromgettingtheballintotheirownbasket.ItisbelievedthatonDecember21,1891,thefirstbasketballgameinhistorywasplayed.Thenin1936inBerlin,itbecameaneventattheOlympics.Today,thepopularityofbasketballhasrisenaroundtheworld,withmanyyoungpeopledreamingofbe
7、comingfamousplayers.Basketballhasnotonlybecomeapopularsporttoplay,ithasalsobecomeamorepopularsporttowatch.AlthoughAmerica’sNBAgamesarethemostfamous,theCBAgamesarebecomingpopularinChina.Thenumberofforeignplayers,includingChineseplayers,intheNBAhasincreased.An
8、dtherearealsomoreandmoreforeignplayersintheCBA.Manyyoungpeoplelookuptothesebasketballheroesandwanttobecomelikethem.Thesestarsencourageyoungpeopletoworkhardtoachievetheirdreams.
