Unit6Whenwasitinvented？PeriodFour（SectionB2b-self-check)Doyouknowwhenbasketballwasinvented?FreetalkLifereliesonsports.生命在于运动。Doyoulikesports?What’syourfavoritesport?polevaultdiscusthrowhurdlebalancebeamweightlifingjavelinthrowWhatarethesportsthatusuallyplayedindoors(户内）？Whatarethesportsthatusuallyplayedoutdoors(户外）？Doyoulikesports?1.Ping-pong,swimming,yoga,aerobics,kickboxing,thedumbbell,pushupsandsoon.2.Running,football,tennisball,jumping,surfing,rockclimbing,skiingandsoon.footballvolleyballpingpongballbasketballtennisbaseballbadmintonDoYouKnowWhenBasketballWasInvented?Basketballisamuch-lovedandactivesportthatisenjoyedbymanyforfunandexercise.Itisover100yearsoldandisplayedbymorethan100millionpeopleinover200countries.ItisbelievedthatthefirstbasketballgameinhistorywasplayedonDecember21，1891.Thenin1936inBritain,itbecameaneventattheOlympics.BasketballwasinventedbyaCanadiandoctornamedJamesNaismith,whowasbornin1861.Whenhewasacollegeteacher,hewasaskedtothinkofagamethatcouldbeplayedinthewinter.DrNaismithcreatedagametobeplayedinsideonahardfloor.DrNaismithdividedthemeninhisclassintotwoteamsandtaughtthemtoplayhisnewgame.Playersonthesameteammustworktogethertogettheballintheotherteam’sbasket.Atthesametime,theyneedtostopthecompetingteamfromgettingtheballintotheirownbasket.Today,thepopularityofbasketballhasrisenaroundtheworld,withmanyyoungpeopledreamingofbecomingfamousplayers.InChina,youcansometimesseepeopleplayingbasketballinparks,schoolsandevenfactories.Basketballhasnotonlybecomeapopularsporttoplay,butithasalsobecomeapopularsporttowatch.AlthoughAmerica’sNBAgamesarethemostfamous,theCBAgamesarebecomingmorepopularinChina.Thenumberofforeignplayers,includingChineseplayers,intheNBAhasincreased.TherearealsomoreandmoreforeignplayersintheCBA.Manyyoungpeoplelookuptothesebasketballheroesandwanttobecomelikethem.Thesestarsencourageyoungpeopletoworkhardtoachievetheirdreams.1.Itisover100yearsoldandisplayedbymorethan100millionpeopleinover200countries.over意为：多于，超过...
