unit+4+topic+1+

《unit+4+topic+1+》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit4AmazingScienceTopic1Whenwasitinvented?SectionB学习目标1.掌握本课的重点词汇和短语，初步学习一般过去时的被动语态。能够在听、说、读、写中正确运用一般过去时的被动语态。3.要勤思考、有理想、争做未来的发明家。4.了解其他国家的科技发明。II.Fillintheblankswiththerightpreposition.1.Thedeskismade_____wood.2.Theredwineismade_____grapes.3.Thisdeli

2、ciouscakewasmade___mymother.4.Glassesaremade___glass.5.Ourgroupismadeup___fourstudents.6.Thatkindofmachineismade_____Japan.offromofofbyinReviewinvent/America/in1946A:Wherewerecomputersinvented?B:TheywereinventedinAmerica.A:Whenwerecomputersinvented?B:T

3、heywereinventedin1946.Lookandtalkaboutthepicture.MP3player1998Korealistentomusicmobilephone1973AmericacommunicateeasilyPleasechooseonetotalkabout.digitalcamera1975AmericatakephotosA:What’sthis?B:It’s…A:Whenwasitinvented?B:Itwasinventedin…A:Whoinventedi

4、t?B:…1bListento1aandchoosethecorrectanswers.()1.WhereareMichaelandJane?A.Inthesciencemuseum.B.Attheschoollibrary.C.Inthezoo.D.Inthepark.()2.Whichobjectisnotmentionedintheconversation?A.Lightbulb.B.Airplane.C.Television.D.Radio.AC1aLook,listenandsay.Whe

5、nwasitinvented?Whoinventedit?Look,alightbulb!In1897,ThomasEdison.In1895in1903in1879Canyoumatchthem?1cRead1aandcompletethetable.InventionInventorYearlightbulbGuglielmoMarconi1903radioairplaneThomasEdisonWilburandOrvilleWright18791895A:Whatarethese?B:…A:

6、Whenweretheyproducedfirst?B:…A:Whatweretheymadeof?B:…Doyouknow?2Fillintheblankswiththeproperformsofthegivenwords.Thefirstjeanswereproducedin1855.Atthattime,they___________(notcall)jeansandtheywerejusthard-wearingpantsdesignedforworkers.Thepants________

7、_____(make)ofthebrowncloth.Thiskindofcloth______usually________(use)formakingtents.Nowadays,theirmaterialshavebeenchangedsothatitfeelsmorecomfortable.Andmanydifferentjeansstyles_______also________(create).They___________(design)notonlyforworkersbutalso

8、forteenagersandwomen.Laterjeansarepopularallovertheworld.werenotcalledweremadewasusedarecreatedaredesignedA.KarlBenzC.AlexanderGrahamBellB.JohnBairdInventionInventorYeara.1926b.1876c.18853Listentothethreepassages.Matchthepictureswiththe