九年级1-4单元的课件U

Unit9,Whenwasitinvented?,（The4thLesson）,1.notice2.invent3.sour4.ancient5.heat6.salty7.crispy,Dictation-(1),8.duce12.pleasant13.legend14.bakery,15.hisway19.bymistake20.byaccident,21.个人电脑发明于1976年。22.你知道电话是谁发明的吗？23.雨伞是用来挡(keepoff)雨的。,Thepersonalcomputerwasinventedin1976.,Doyouknowwhothetelephonewasinventedby?,Umbrellasareusedforkeepingofftherain.,Umbrellasareusedtokeepofftherain.,Theumbrellaisusedforkeepingofftherain.,Theumbrellaisusedtokeepofftherain.,nowplayedeverywhere,factories,forfunand,parks,schools,exercise,EQUIPMENT,NBA,ball,basket,backboard,NationalBasketballAssociation美国职业篮球联赛,hoop,net,history,Basketballwasinvented,in,by,to,Canada.,JamesNaismith.,beplayedindoorsduringlongwinters.,on,December21st,1891.,_,_,_,12teamplayers,2teams,togettheballintothebasket,Basketballwasfirstplayed,Withoutreferringtothearticle,usewhatyourememberfromthemind-maptoanswerthefollowingquestions.,1.Whoinventedbasketball?2.WhyweretheBerlinOlympicsimportanttobasketball?3.Whatstheaimofbasketball?4.NameaprofessionalbasketballorganizationinAmerica?,JamesNaismith.,BecauseitwasthefirsttimebasketballwasplayedasanOlympicevent.,Togettheballintothebasket.,TheNationalBasketballAssociation.,1.取乐2.超过3.与相撞4.摔倒5.把分成6.向投掷,forfun,morethan,knockinto,falldown,divideinto,throwto,7.人们认为8.参加9.在国内10.的数量11.美国职业篮球联赛12.梦想做某事,Itsbelievedthat,takepart(in),athome,thenumberof,NationalBasketballAssociation,dreamofdoingsth.,Writing,Whatdoyouthinkisthemostusefulinvention?,Whatinventiondoyouthinkisthemostannoying?,Why?,Therearemanyinventionsintheworld.Amongthem,Ithinktheisthemostuseful.,A:Whatdoyouthinkisthemosthelpfulinvention?B:Ithinkthemosthelpfulinventionisthelightbulb.A:Whyisthat?B:Well,itgivespeoplemoretimetoworkandplayeveryday.,lightbulb,A:Whatdoyouthinkisthemostannoyinginvention?B:Ithinkthemostannoyinginventionisthealarmclock.A:Whyisthat?B:Well,itoftenwakesmeupwhenImsleeping.,alarmclock,1.century2.active3.basket4.divide5.below6.develop7.metal,Dictation-(2),8.towards9.worldwid