九年级上U4T1SB课件陈寿根

Unit4AmazingScience仁爱英语九年级上册第四单元Topic1Whenwasitinvented?

SectionB(1a-3)主讲教师单位：晋江市毓英中学陈寿根指导老师单位：晋江市南湾中学王雅敏

晋江市南湾中学欧阳菲菲课文呈现知识讲解…………第二课时：听、思、言SectionB(1a-3)词汇学习课堂导入3a1a课堂小结课后作业…课堂练习一、Let'splayagamemetal/1918/knowthetimeEdison/listentomusicinthepastWatchrecorder?1?2Ready?Let’sgo!Guess,ask,answer!1817/Germany/mental/ride

?1Lift/1854/NewYork/carrypeopleupanddown?2bulb1876/Edison/givelight?3TVset/1925/Britain/watchprogramscamera/around1975/America/takephotoscar/1885/Germany/KarlBenz/drive?6?5?4Guess,ask,answer!Classactivity1817/Germany/mental/ride

bicycle?1Guess,ask,answer!Guess,ask,answer!ClassactivityLift/1854/NewYork/carrypeopleupanddownlift/elevator?2Classactivity1876/Edison/givelightbulb[bʌlb]?3Guess,ask,answer!Classactivitycamera/around1975/America/takephotos?4Guess,ask,answer!ClassactivityTVset/1925/Britain/watchprograms?5Guess,ask,answer!Classactivitycar/1885/Germany/KarlBenz/drive?6Guess,ask,answer!Guess,ask,answer!ClassactivityAlexanderGrahamBell/1876?7二.What’sarocketusedfor?

It’s

usedforsendingsatellitesorspaceshipsintospace.词组学习beusedfor被用来做beusedtodo被用来做beusedas被用作usedtodosth.过去常做beusedtodoingsth.习惯于做A.KarlBenzC.AlexanderGrahamBellB.JohnBairdInventionInventorYeara.1926b.1876c.18853Listentothethreepassages.Matchthepictureswiththefollowinginformation.ChineseC919ChineserobotattackhelicopterStealthrobotAircraftStealthattackhelicopterinstal英[ɪnˈstɔ:l]美[ɪnˈstɔl]vt.安装;中考链接61.G919isproducedby________.A.BoeingB.aThaiaircraftcompanyG.AirbusD.aChineseaircraftcompany62.WhichofthefollowingisTRUEaboutthefirstC919aircraft?Itcancarry190passengersatmost.B.Itcanonlyflyadistanceof4,075km.G.ItcostslessthanhalfofaBoeing737.D.ItcostsmorethanhalfofanAirbusA320.63.WhichpictureshowsCOMACsaimtotakethenarrow-bodyaircraftmarketby2035?

61.D62.C63.C64.B65.D64.TheletterCinC919standsfor______.A.“company”B.both“COMAC”and“China”C.“customer”D.both“cost”and“capacity”65.Thenewsreportiswrittenmainlyto___________.A.introducethedesignofC919B.describethefirstflightofC919C.explain“theflowerofmodernindustry”D.showChina’sachievementsinaircraftindustryChineseaircraftcarrier

Chinesenuclear-poweredsubmarineStealthplane3.四大发明指火造印还是造指火印A:What'sthepapermadefrom?B:It's___________woodA:What'situsedfor?B:It's___________writingon.madefromusedforpeanutsbemadefrom由...制成（物体从表面看不出原材料的形状或性质)oilpeanutscookfoodpiecesofbreadwheateatredwinegrapesdrink1.Whataretheydoing?amodelrocket火箭2.Canyouguesswhattherocketismadeof?3.What'sarocketusedfor?It'susedforsending

satellites['sætəlait]orspaceships

intospace卫星宇宙飞船1aLook,listenandsay.1bListento1aandchoosethe

correctanswers

Invention

Inventor

Year

light

bulb

Guglielmo

Marconi

19031879

1.bewidelyused被…广泛使用3.wasinvented(in/by)在/被发明…4.morethantwothousandthings超过…（lessthan少于…

）内容要点理解(思）2.It’ssaidthat…6.Let’sgothisway.请这边走。(intheway,bytheway,ontheway,inthisway）7.bedifferentfrom与…不同5.duringhislife/duringone’stime在…一生中1dDiscusswithyourclassmatestheinventionslistedin1c.Letthemguesswhichinventionyouaredescribing.

Youmaybeginlikethis:

Itiswidelyusedbypeopleeverywhere.

Itwasinventedin1879byThomasEdison.It’ssaidthat…A:Whatarethese?B:…A:Whenweretheyproducedfirst?B:…A:Whatweretheymadeof?B:…Doyouknow?Linenmaterial.英][ˈlɪnɪn][美][ˈlɪnən]n.亚麻布，亚麻线2Fillintheblankswiththeproperformsofthegivenwords.

Thefirstjeanswereproducedin1855.Atthattime,they___________(notcall)jeansandtheywerejusthard-wearingpantsdesignedforworkers.Thepants_____________(make)ofthebrowncloth.Thiskindofcloth______usually________(use)formakingtents.Nowadays,theirmaterialshavebeenchangedsothatitfeelsmorecomfortable.Andmanydifferentjeansstyles_______also________(create).They___________(design)notonlyforworkersbutalsoforteenagersandwomen.Laterjeansarepopularallovertheworld.werenotcalledweremadewasusedarecreatedaredesigned.TheHistoryofPotatoChipsDoyouknowhowpotatochipswereinvented?Potatochips_____________byacookcalledGeorgeCrum.Theywereinventedin_____.GeorgeCrum乔治•克拉母cutthepotatoesreally,really______andthencookedthemforalongtimeuntiltheywere_______.Finallyheputlotsofsaltonthemsotheywere__________.wereinvented1853thincrispyreallysalty讲故事AnswerthefollowingquestionsWhowerethepotatochipsinventedby?2.Whenweretheyinvented?3.Howwere