Unit 4 Topic 1 Section B 课件 1

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1、Unit4AmazingScienceTopic1Whenwasitinvented?SectionB课件1Fillintheblankswiththerightpreposition.1.Thedeskismade_____wood.2.Theredwineismade_____grapes.3.Thisdeliciouscakewasmade___mymother.4.Glassesaremade___glass.5.Ourgroupismadeup___eightstudents.6.Thatkindofmachineismade_____J

2、apan.offromofofbyinReviewTeachingAims:1.Learnandmastersomenewwords:bulb,airplane,hard-wearing.2.LearnPassiveVoice:was/were+p.p.t.3.Understandthestressandintonationofsentences.4.Readthefollowingsentences:a).It'ssaidthatheinventedmorethantwothousandthingsduringhislife.b).It’sinv

3、entedbyWilburandOrvilleWrightin1903.c).butit’sdifferentfromtoday’s.A:What’sthis?B:It’s…A:Whenwasitinvented?B:Itwasinventedin…A:Whoinventedit?B:…Let'slearn1aLook,listenandsay.Whenwasitinvented?Whoinventedit?Look,alightbulb!In1897,ThomasEdison.1bListento1aandchoosethecorrectansw

4、ers.()1.WhereareMichaelandJane?A.Inthesciencemuseum.B.Attheschoollibrary.C.Inthezoo.D.Inthepark.A()2.Whichobjectisnotmentionedintheconversation?A.Lightbulb.B.Airplane.C.Television.D.Radio.C1cRead1aandcompletethetable.InventionInventorYearlightbulbGuglielmoMarconi1903radioairpl

5、aneThomasEdisonWilburandOrvilleWright187918951dDiscusswithyourclassmatestheinventionslistedin1c.Letthemguesswhichinventionyouaredescribing.Youmaybeginlikethis:Itiswidelyusedbypeopleeverywhere.Itwasinventedin1879byThomasEdison.It’ssaidthat…A:Whatarethese?B:…A:Whenweretheyproduc

6、edfirst?B:…A:Whatweretheymadeof?B:…Doyouknow?2Fillintheblankswiththeproperformsofthegivenwords.Thefirstjeanswereproducedin1855.Atthattime,they___________(notcall)jeansandtheywerejusthard-wearingpantsdesignedforworkers.Thepants_____________(make)ofthebrowncloth.Thiskindofcloth_

7、_____usually________(use)formakingtents.Nowadays,theirmaterialshavebeenchangedsothatitfeelsmorecomfortable.Andmanydifferentjeansstyles_______also________(create).They___________(design)notonlyforworkersbutalsoforteenagersandwomen.Laterjeansarepopularallovertheworld.werenotcall

8、edweremadewasusedarecreatedaredesignedA.KarlBenzC.AlexanderGr