Unit9Whenwasitinvented?SectionAWhatwillhappenifwehavenolight?Whobringslighttous?lightbulblightbulbinventioninventionEdisonEdisoninventorinventorEdisoninventedthelightbulb.Edisoninventedthelightbulb.ThelightbulbwasinventedbyEdison.ThelightbulbwasinventedbyEdison.computercomputerinventioninventionJohnMauchlyandJ.PresperEckertJohnMauchlyandJ.PresperEckertinventorinventorJohnMauchlyandJ.PresperEckertinventedthefirstcomputer.JohnMauchlyandJ.PresperEckertinventedthefirstcomputer.ThefirstcomputerwasinventedbyJohnMauchlyandJ.PresperEckert.ThefirstcomputerwasinventedbyJohnMauchlyandJ.PresperEckert.123451aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Numberthem(1=first,5=last)1-5Listenandmatchtheinventionswiththedates.18761885192719711976daecb1bA:Whenwasthe_______invented?B:Ithinkitwasinventedin______.A:Whenwasthe_______invented?B:Ithinkitwasinventedin______.1976188519711927PAIRWORK18761cA:Whatisthe_______usedfor?B:Ithinkitisusedfor_______________.A:Whatisthe_______usedfor?B:Ithinkitisusedfor_______________.talkingwithpeopletelephoneA:Whatisthe_______usedfor?B:Ithinkitisusedfor________.A:Whatisthe_______usedfor?B:Ithinkitisusedfor________.(count)countingcalculatorA:Whatisthe_______usedfor?B:Ithinkitisusedfor________.A:Whatisthe_______usedfor?B:Ithinkitisusedfor________.workingcomputerhigh_____batteriesslippersheelsOtherinventionsbattery-operatedslippers电控拖鞋heatedicecreamscoopItisusedforscoopingcold___________.icecream加热冰激凌的勺子shoeswithadjustableheelsadjustable:adj.可调整的带调节后跟的鞋JulieThompsonbattery-operatedslippersChelseaLanmonheatedicecreamscoopJayceCoziarandJamieEllsworthshoeswithadjustableheelsWhataretheyusedfor?Listenandnumbertheinventionsintheorderthatyouhearthem.312It’susedforscoopingreallycoldicecream.Right.ItwasinventedbyChelseaLanmon.shoeswithadjustableheelsbattery-operatedslippersheatedicecreamscoop2aInventionWhowasit/weretheyinventedby?Whatisit/aretheyusedfor?shoeswithadjustableheelsChelseaLanmonscoopingreallycoldicecreambattery-...