Unit 6 When was it invented？Section A 3a-3c 课件(共22张PPT) 人教版英语九年级全册.pptx

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Unit 6 When was it invented？Section A 3a-3c 课件(共22张PPT) 人教版英语九年级全册.pptx

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Unit6Whenwasitinvented?SectionB3a-selfcheck

Howtointroduceaninvention?Whatistheinvention?Whenwasitinvented?Theadvantagesanddisadvantagesoftheinvention.Howtousetheinvention?

Theyaresomeinventions.

1.Whatistheinvention?Writedowntheanswersaccordingtothetips.(acomputer)Itisacomputer.2.Whenwasitinvented?(1977)Itwasinventedin1977.

Let’slearnabouttheadvantagesanddisadvantagesofthecomputer.Asthesayinggoes,everycoinhastwosides.

FreetalkHowtointroduceaninvention?inventionWherewhatwhenhowwhowhy…wasinventedin+年份…wasinventedon+月日，年...was/wereinventedby......invented...because....inorderto.....Therebe...color,shape,sizeItwasusedfor…byaccident/chance/mistakeatthesametimealthoughin/at+地点

Whatdoyouthinkoftheseinventions?Theyareusefulandhelpfulandtheymakeourlifemucheasierandmuchconvenient.

Therearesomanyinventionsinourdailylife.Theyareusefulandhelpful.Newdrills

Whatproblemsdoyouhaveinyourdailylife?Canyouthinkofaninventionthatcouldhelpyou?Ican’ttakenotesquicklyinclass.Ican’trememberthenoteswell.Ican’tgetupontime.3aThinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.takenotesquicklypre-writing

Whatcanweinventtosolvetheseproblems?Ican’trememberthenoteswell.Ican’tgetupontime.Problem:___________________________________Newinvention:______________________________Whatitisusedfor:___________________________Problem:___________________________________Newinvention:______________________________Whatitisusedfor:___________________________rememberingnoteswellamemoryrobothelpingmerememberwellandquicklygettingupontimeaspecialclockwakingmeupontime

WritingOurschoolisdoingasurveyonInventionsthatchangedtheworld.Pleasewriteashortpassagetotalkaboutwhatinventiondoyouthinkisthegreatest?