2023学年完整公开课版Unit9Whenwasitinvented5

SectionA

黄剑梅兴宁中学Unit9Whenwasitinvented?papermakingcompassprintinggunpowderA:Whenwasitinvented?B:ItwasinventedinHanDynasty.A:Whowasitinvented

by?B:Itwas

invented

byTs’aiLun.

Let'slearnFourgreatinventionsFillinthechart:inventioninventorTimeTs’aiLunHanDynastyBiShenSongDynastyChineseChineseSongDynastyTangDynastypapermakingprintingcompassgunpowderA:Whenwasitinvented?A:Whowasitinvented

by?B:Itwasinvented

in1879.B:Itwas

invented

byEdison.lightbulb/1879calculatortelephone/1876Listenandmatchtheinventionswiththedates.abce1885189519711976Whenwas

thecarinvented?Itwasinventedin1885.18761903A:Whatisitusedfor?B:Itisusedforcounting.B:Itisusedforwriting.Whataretheyusedfor?Theyareusedforgivinglight.lightbulbscar/1885/HenryFord/travelfastfridge/1862/Harrison/keepfoodfreshwashingmachine/1858/Smith/washclothespairworkbattery-operatedslippersheatedicecreamscoopshoeswithadjustableheels电池供电的拖鞋加热的冰激凌勺可调节后跟的鞋Listenandnumbertheinventionsintheorderyouhearthem.123ListenagainandmatchtheitemsincolumnsA,BandC.usestakephotoshelptoworkandstudycommunicateeasilylistentomusic1975Time194619731998InventiondigitalcameracomputermobilephoneMp3pairworkThepassivevoice.被动语态被动语态的构成:be动词+(及物动词的)过去分词

一般现在时一般过去时am(is,are)+donewas(were)+done{被动语态(ThePassiveVoice)主动句变被动句的方式：主动句：主语

+及物动词谓语

+宾语被动句：主语

+be+过去分词+by宾语Ourteacher

loves

herstudents.Herstudents

areloved

byourteacher.Theyproducedthatkindofcar.Theworkersbuiltabridgeovertheriver.Mothertellsmeastoryeveryday.Thatkindofcarwasproducedbythem.Abridgewasbuiltbytheworkersover