九年级英语Unit6Whenwasitinvented（第6课时）SectionB（3a_3b）课件.pptx

《九年级英语Unit6Whenwasitinvented（第6课时）SectionB（3a_3b）课件.pptx》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit6Whenwasitinvented?第六课时　SectionB(3a—3b)IthinktheTVyoucanseeItwasbroughttoDoyouknowOneofwasinventedIt'sbelievedthatIthoughtaboutitbecauseWhobyIt'shardtoTherearemanyinventionsthathavecausedgreatchangesintheworld.Here'sashortintroduction.Forexample，thedigitalcamerawasinventedbyStevenJ.

2、Sasson.Itwasinventedin1975anditisusedfortakingphotos．ThetelephonewasinventedbyAlexanderBellin1876．It'susedforcommunicatingwithothers．TheradiowasinventedbyGuglielmoMarconiin1895．It'susedforlisteningtonewsandmusic.Theflyingbikehastwowheelsandtwowings.Ithasatopspeedof300km/h.Youcangotofart

3、herplacesinashortertime.Itcanrunonlandandflyintheair.Ifyoushout“fly”，thebikewillturnintoaplanein30seconds.Thenyoucanflyintheair.Youwillbeasfreeasabird.Itcantakephotos,too.Itisfast,convenientandgreen！Insteadofpetrol,thebikeusessolarpower,soitwillnotpollutetheair.Iwilladdaseatbehinditsoth

4、atitcancarrytwopersons.Myinventionwillhelppeopleliveabetterlifeinthefuture.