新目标九年级Unit9Section A 第一课时课件

Unit9Whenwasitinvented?SectionAPeriod1,Now,Inthepast,Inventions(发明物),bulb(灯泡)blb,makeourlifeeasierandmorecomfortable.,bike,airplane,Inventions(发明物),calculator(计算器),computer,TV,telephone,car,klkjlet(r),thetelephone,thecar,Groupwork:Inwhatorderdoyouthinktheywereinvented(被发明)?Numberthemfrom1to5.,1a,Ithink_wasinventedbefore/after_.,Listening:Whenweretheyinvented?,1b,_1876_1885_1927_1971_1976,puterc.calculatord.telephonee.TV,Inventions,time,a.,d.,e.,c.,b.,-Whenwas_invented?,-Ithinkitwasinventedin_.,Presentation:,1876,thetelephone,发明者,Presentation:,-Whowasthetelephoneinventedby?,-Itwasinventedby(被)_.,Baird(贝尔德),Simckley(辛克莱),Bell(贝尔),Benz(本茨),TwoAmericans,Pairwork,Bell(贝尔),Bell,Benz(本茨),Baird(贝尔德),Simckley(辛克莱),TwoAmericans,Presentation:,-Whatisthetelephoneusedfor?,-Itisusedfor_.,talkingwithpeople,Pairwork:,talkingwithpeople,driving,watchingprograms,counting,workingorrelaxing,Time,Inventor,Use,Invention,thetelephone,Pairwork:A:Whenwasinvented?B:ItwasinventedinA:Whowasitinventedby?B:ItwasinventedbyA:Whatisitusedfor?B:Itisusedfordoing,1876Bell,1927Baird,1879Edison,1971Simckley,givinglight,1885,Benz,Inventionsareimportant/useful.,Inventionsmakeourlifeeasierandmorecomfortable.,Inventorsaregreat(了不起).,Letsbeacreativeperson.,skate(滑轮鞋),alarmclock(闹钟),Iwanttoinventsomethingthat.,怎么做？,Letsinventsomething.,Iwanttoinventsomething.Itcan,Whentherearecars,thelightswillbeon.,Iftherearenocars,thelightswillbeoff.,controlthelights.,Iwanttoinventsomething/a_.,Groupwork:,sb./itcan.Orwhen/if.,sb./itcan.,Iwanttoinventsomething/a_.,Groupwork:,chalkdust粉笔灰,wheels轮子,sb./itcan.Orwhen/if.,sb./itcan.,washdishes,electronic电子的,eraser黑板擦,pull拉,e-book电子书,download下载,Summary,1.Learnthehistoryofsomeinventions:,_was/wereinventedin_.,_was/wereinventedby_.,_is/areusedfor_.,2.Learntheusesofsomeinventions:,Whatarethemostusefulinventionandthemostinterestinginventionyouthink?Whatdoyouwanttoinvent?Why?Tellussomethingaboutthem.,Letswritesomething:,isused,wasinvented,被用来,被发明,被动语态(thepassivevoice),助动词be(am/is/are)+过去分词,构成：,例如：,1.He_(interview)bythelocalnewspaperyesterday.,wasinterviewed,2.English_(speak)inCanada.,isspoken,be(was/were)+过去分词,Letsimagine(想象).,wecant_.Ifthereisno_,wehaveto_.wewill_.,Ifthereisnoinvention，whatwillhappen?,Inventionsareimportant/useful.,Inventionsmakeourlifeeasierandmorecomfortable.,Inve