九年級英語全冊 Unit 6 When was it invented Section B2課件 新人教版.ppt

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1、Unit6Whenwasitinvented?SectionB(3a-SelfCheck),Thinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.,Problem:______________Newinvention:_______________Whatitisusedfor:____________,Writing,Imagineyouareabusinessman.Writeadescriptionofyournewinvention.This...wasinvented

2、by....Itisusedfor....,SelfCheck,1.Completethepassagewiththecorrectformsofthewordsinthebox.inventdoultmentionnearlywebsiteallofasuddenItisoftendifficulttodecideontheinventorofcertaininvetions.Thisisbecausesometimesafewpeoplemay_______thingswhichare_____thesame.Itshardtotellwhocameupwiththeideafirst.S

3、omeinventionscanalsoleadtootherinventions_____.Sosomepeople______whethertheinventorcameupwiththeideahimself.Theythinkthattheinventorusedsomeoneelsesideatocelebratehisorherinvention.Thatiswhybooksor_____usually______morethanoneinventorwhengivinginformationaboutinventions.,SelfCheck2,Rewritethesesente

4、ncesusingthepassivevoice.1.Someonestolemywatch.______________________________________2.Theyusedfiveeggstomakethisbgcake.______________________________________________3.Whedidtheyinventthepersonalcomputer?_________________________________________4.Theyaskedusnottoruninthehallway._____________________

5、___________________5.Someonetookthevediobacktothestore.______________________________________________,SelfCheck3,Findoutinformationaboutaninventionyouwouldliketoknowmoreaboutandwritesentencesbelow.Invention:_______________________________________When:____________________________________________Who:______________________________________________Purpose:_________________________________________,Homework,Writeashortpassageaboutaninvention.Pre-viewthenewwordsinUnit7.,