Unit4AmazingScienceTopic1SectionB课件仁爱科普版（2012）九年级英语上册

Unit4AmazingScienceTopic1Whenwasitinvented?SectionBLet'splayaguessinggame.1.Asmallmelon（瓜）growsonavine（藤）.Itblossoms(开花)everynight,butthemelonnevergrows.2.Thereisasmallhousewithoutdoors.Ithasonlywindows.Whenthelightison,itspeaks,laughsandsings.3.It’sneitherahawk(鹰)norawildgoose.Butitcanflyinthebluesky.Itcanflytenthousandmilesaday,anditislikeabridgeinthesky.It’salightbulbIt’saradioplane=airplane()1.He___playcomputergamesunlesshefinishedhishomework.A.wasallowedtoB.wasnotallowedtoC.allowto()2.Theredwine____grapes.A.ismadeofB.ismadeintoC.ismadefrom()3.Thiskindofmachine___in2006.A.isinventedB.ismadeC.wasinvented()4.A(An)___isusedfortakingphotos.A.cameraB.LiftC.MP3player()5.Weshouldspendmoretime___becauseit’stooimportant.A.tolearnEnglishB.learningEnglishC.inEnglishReviewWhatisit?Itismadeofplastic.Itisverysmallandyoucanputitinyourpocket.ItwasmadeinAmericain1973first.Itisusedforcommunicating.Youcanalsouseittocallyourfriends,listentomusic,playgamesandsoon.Itismadeofmetalandplastic.ItwasfirstmadeinAmericaaround1975.Whenwetravel,weusuallytakeitwithus.Itisusedtotakephotos.Whatisit?Itisverythinandlight.ItwasfirstmadeinChinainHanDynasty(汉朝).Itismadefromwood.Itisusedforwritingon.Whatisit?Itismadeofmetalandglass.ItwasmadebyThomasEdisonfirst.Whentheroomisdark,wecanuseittomaketheroombright.Whatisit?lightbulbDoyouknowmoreaboutlightbulbs?Self-learningRead1aandfindthesephrases:电灯泡

被某人使用

耐穿的裤子

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与...不同

在某人的一生中

搭帐篷

1cRead1aandcompletethetable.InventionInventorYearlightbulbThomasEdison1879radioGuglielmoMarconi1895airplaneWilburandOrvilleWright19031bListento1aandchoosethecorrectanswers.()1.Whichobject（物品）isnotmentionedintheconversation?A.Lightbulb.B.Airplane.C.Television.D.Radio.()2.HowmanythingsdidThomasEdisoninventeduringhislife?A.Morethan2000.B.Lessthan2000.C.Morethan200.D.Lessthan200.()3.WhereareMichaelandJane?A.Inthesciencemuseum.B.Attheschoollibrary.C.Inthezoo.D.Inthepark.AACInventionInventorYeara.1926b.1876c.1885Makeconversationslikethis:A:Whenandwherewas...invented?B:Itwasinventedin年份in国家.A:Whowasitinventedby?B:Itwasinventedby....3Listentothethreepassages.Matchthepictureswiththefollowinginformation.beinventedby+sbbeinventedin+year被某人所发明在某年被发明某物品是在过去某个时间被发明的,所以通常会用：was/wereinvented宾语从句陈述语序据说Readandunderlinepassivevoice(被动语态).Canyougettheinformationaboutlightbulbnow?Thelightbulb_____widely______bypeopleeverywheretoday.It_____invented_____1879.Itwasinvented_______ThomasEdison._____________________heinventedmorethantwothousandthingsduringhislife.isusedwasinbyItissaidthatDoyouknowhowjeanswereinvented?A:Whenwerethejeansproducedfirst?B:…A:Whatweretheymadeof?B:…A:Whatdoyouthinkofthem?B:…Howbluejeanswereinvented?2.Fillintheblankswiththeproperformsofthegivenwords.Thefirstjeanswereproducedin1855.Atthattime,they_____________(notcall)jeansandtheywerejusthard-wearingpantsdesignedforworkers.Thepants__________(make)ofthebrowncloth.Thiskindofcloth_____usually_____(use)formakingtents.Nowadays,theirmaterialshavebeenchangedsothatitfeelsmorecomfortable.Andmanydifferentjeansstyles________also________(create).They__________(design)notonlyforworkersbutalsoforteenagersandwomen.Laterjeansarepopularallovertheworld.weren'tcalledweremadewasusedarecreatedaredesignedadj.耐磨的Talkaboutanintroductionofaninvention.Tips:bemadeof/from...beusedfordoing/todo...beinventedby+sb.beinventedin+year/placeInventionInventorMaterialUsageYearCountrySomethingelseYoumaystartlikethis:...is/wasoneofthegreatestinventions...itissaidthat...Ithink...Canyounameotherinventionsthatchangedtheworld?WeChatZhangXiaolongSummaryWelearn:1.Somewords:bulb,airplane,hard-wearing,Korea2.Somephrases:beusedby,morethan,bedifferentfrom3.Somesentences:It’ssaidthatheinventedmorethantwo