Unit 6 When was it invented Section B 3a-3c课件(共24张PPT) 人教版英语九年级全册.pptx

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Unit 6 When was it invented Section B 3a-3c课件(共24张PPT) 人教版英语九年级全册.pptx

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Unit6Whenwasitinvented?SectionB3a-selfcheck

Reviewin1885byKarlBenzWhenwasthecarinvented?wasinventedIt____________in1885.Whowasitinventedby?ItwasinventedbyKarlBenz

WhenwastheTVinvented?Itwasinventedin1927.1927/byBairdspreadmessagesWhatisitusedfor?Itisusedforspreadingmessages.Whowasitinventedby?ItwasinventedbyBaird.beusedfordoingsth.被用来做某事

Whenwasthetelephoneinvented?Itwasinventedin1876in1876makeacallWhatisitusedfor?Itisusedformakingacall.

Whenweretheyinvented?in1971searchforinformationTheywereinventedin1971Whataretheyusedfor?Theyareusedforsearchingforinformation.

shoeswithspecialheelsshoeswithlightshotice-creamscoopWhyisit/aretheyinvented?Whatisit/aretheyusedfor?Theyareusedforchangingthestyleoftheheels.Youcanraisetheheelsifyouaregoingtoapartyorlowerthemifyouarejustgoingoutforshopping.Theyareusedforseeinginthedarkwhenyougetupatnight.Ialwayshitmytoeagainstsomethingonthewaytothebathroomatnight.Itisusedforservingreallycoldice-cream.Itrunsonelectricityandbecomeshot.Becausesometimestheice-cream...

Pre-writingWhowasitinventedby?ItwasinventedbyShenNong.Howwasitinvented?Oneday,ShenNongwasboilingwater...Whataretheinfluences?Itwasbroughtto...Theteatrade...Tea

BasketallPre-writingWhowasitinventedby?Itwasinventedby...Howwasitinvented?Whenhewas...hewasaskedto...Howisitplayed?Divide...into...worktogther...stop...fromdoingsth...Whataretheinfluences?

Howdoesitwork?Whataboutitsdevelopmentandtheinfluences?PresentationHowdoweintroduceaninvention?inventionWhatinventionisit?Whowasitinventedby?Whenandwherewasitinvented?Whywasitinvented?Whatisitusedfor?ThepricesSummary

Practice话题文体人称时态,语态结构介绍机器人说明文以第三人称为主一般过去、一般现在被动语态、主动语态Para.1开门见山——介绍机器人的发明Para.2细节介绍Para.3总结全文，升华主题who,when,how,where