Unit4Topic1SectionB课件仁爱九年级英语上册

Unit4Topic1SectionBLearningaims:一、掌握以下单词和短语：bulb,airplane,It'ssaidthat,duringone'slife,beusedby,bedifferentfrom二、一般过去时的被动语态:三、谈论发明和发明家:KarlBenz,JohnBaird,AlexanderGrahamBellListentothethreepassages.Matchthepictureswiththefollowinginformation.A.

KarlBenzC.AlexanderGrahamBellB.JohnBairdInventionInventorYeara.1926b.1876c.1885Listento1aandchoosethecorrectanswers.()1.WhereareMichaelandJane?A.Inthesciencemuseum.B.Attheschoollibrary.C.Inthezoo.D.Inthepark.()2.Whichobjectisnotmentionedintheconversation?

A.Lightbulb.

B.Airplane.

C.Television.

D.Radio.ACListenagainandanswerthequestions.1.Whenwasalightbulbinvented?

Itwasinventedin1879.2.WhatwasinventedbyGuglielmoMarconi?

Theradiowasinventedbyhim.3.WhatdidWilburandOrvilleWrightinvent?Andwhendidtheyinventit?

Theairplanewasinventedbythemin1903.Read1aandfillinthetable.InventionInventorYearlightbulbradioThomasEdisonWilburandOrvilleWright187918951903GuglielmoMarconi/gulɪ'elməʊmɑ:'kəʊnɪ//'wɪlbə//'ɔ:vɪlraɪt/airplaneWatchavideo:Readandunderstand.Michael:Look,alightbulb!Jane:Yeah.itiswidelyusedbypeopleeverywhere.Doyouknowwhenit

wasinvented?Michael:Itwasinventedin1879.Jane:Whoinventedit?Michael:ThomasEdison.It'ssaidthatheinventedmorethantwo

thousandthingsduringhislife.Jane:Whatabouttheradio?Michael:TheradiowasinventedbyGuglielmoMarconiin1895.Jane,

let'sgothisway.Look!Anairplane,butit'sdifferentfromtoday's.Jane:Yes.ItwasinventedbyWilburandOrvilleWrightin1903.被广泛使用被发明据说.(accordingto根据，据...说)走这边与...不同Exercisesinclass1.被广泛使用____________________2.

被发明_____________________3.据说_______________________4.多于________________________5.他的一生中_________________7.与...不同___________________itiswidelyusedbybeinventedIt'ssaidthatmorethan=overduringhislifebedifferentfromTrytoretellMichael:Look,alightbulb!Jane:Yeah.itis______________peopleeverywhere.Doyouknowwhenit______________?Michael:Itwasinventedin1879.Jane:Who_________it?Michael:ThomasEdison.___________heinvented___________two

thousandthings_______hislife.Jane:Whatabouttheradio?Michael:Theradio________________GuglielmoMarconiin1895.Jane,

let'sgothisway.Look!Anairplane,butit's______________today's.Jane:Yes.It________________WilburandOrvilleWrightin1903.widelyusedbywasinventedinventedIt'ssaidthatmorethanduringwasinventedbydifferentfromwasinventedbyFillintheblankswiththeproperformsofthegivenwords.Thefirstjeanswereproducedin1855.Atthattime,they_____________(notcall)jeansandtheywerejusthard-wearingpantsdesignedforworkers.Thepants_____________(make)ofthebrowncloth.Thiskindofcloth______usually_____(use)formakingtents.Nowadays,theirmaterialshavebeenchangedsothatitfeelsmorecomfortable.Andmanydifferentjeansstyles_____also________(create).They______________(design)notonlyforworkersbutalsoforteenagersandwomen.Laterjeansarepopularallovertheworld.werenotcalledweremadewasusedarecreatedaredesignedSummaryWelearn1.Newwo