人教九年级英语上册 第六单元《 Section B(3a-Self Check)》教学课件

SectionB

(3a-SelfCheck)Unit6Whenwasitinvented?课时教学目标语言能力:能够恰当运用一般过去时的被动语态介绍某一项发明。思维品质:通过介绍某项发明，培养分析能力和创新能力。文化意识：培养学生热爱科学、勇于探索的精神。学习能力:通过思考写作步骤和架构搭建及如何组织语言，提升统筹规划能力。学会使用被动语态介绍某项发明。积累写作技巧和锻炼写作思维，培养写作能力。Enjoyavideo.Lead-inWhat’stheinvention?It’sasuitcase.ItwasinventedbyapupilcalledJiangJunming.

Whowasitinventedby?

Whatisitmadeof?Itismadeofwood,metal,plasticandsoon.

Whatisitusedfor?Itisusedforcarryingthingsorpeople.3aProblem:________________________Newinvention:____________________Whatitisusedfor:_________________Thinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.aspecialpenquicklytakingnotesinclasstakingnotesquickly3bImagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.3b审题文体人称时态语态第三人称为主说明文一般现在时为主，穿插一般过去时、一般将来时被动语态为主3bListanoutline推销你的新发明引出话题介绍新发明推荐购买I’dliketointroduceanewinventiontoyou.名称

Thenewinventionisa(n)...发明者及发明时间Itwasinventedby...in/on...外形Ithas.../Itlookslike...材料Itismadeof/from...用途It’susedfor/to...操作方法Itiscontrolledby...Youneedto...价格Itisonly...yuan.It’scheapandgood.Youcanaffordit.It’sreallyaconvenientandusefulinvention.Comeandbuyone!3bSamplewritingI’dliketointroduceanewinventiontoyou.It’saspecialpenanditwasinventedbyLiuJieinMay,2024.Ithasthreecolorsanditismadeofplasticandsteel.Itisusedfortakingnotesquickly.Itisusefulifyouhavetowritedownalotofnotes.Thepencomeswithamicrochipthatcanstorelotsofwordsandsentencesthatyouwilluse.Whenyouarewriting,youjustneedtowritetheshortformswiththepen.Itiscontrolledbyabutton.Whenyoupressthebuttononthepen,alltheshortformswillchangeintotheactualwords.It’sreallyaconvenientandusefulinventionandit’sonly30yuan.Youcanaffordit.Comeandbuyone!

1Completethepassagewiththecorrectformsofthewordsinthebox.inventdoubtmentionwebsiteallofasuddenItisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay_________thingswhicharenearlythesame.It’shardtotellwhocameupwiththeideafirst.Someinventionscanalsoleadtootherinventions____________.Sosomepeople________whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sidea

tocreatehisorherinvention.Thatiswhybooksor_________usually__________morethanoneinventorwhengivinginformationaboutinventions.

invent

allofasudden

doubtSelfCheckwebsitesmention决定几乎相同

想出

导致、引起

用……做……

提供关于……的信息

2SelfCheckRewritethesesentencesusingthepassivevoice.1.Someonestolemywatch._________________________________2.Theyusedfiveeggstomakethisbigcake.____________________________________________3.Whendidtheyinventthepersonalcomputer?_____________________________________4.Theyaskedusnottoruninthehallway.

___________________________________5.Someonetookthevideobacktothestore._____________________________________Mywatchwasstolen(bysomeone).Fiveeggswereused(bythem)tomakethisbigcake.Whenwasthepersonalcomputerinvented?Wewereaskednottoruninthehallway.

Thevideowastakenbacktothestore(bysomeone).3SelfCheckFindoutinformationaboutaninventionyouwouldliketoknowmoreaboutandwritesentencesbelow.Invention:_________________________________When:____________________________________Who:_____________________________________Purpose:___________________________________in2013umbrellawithalightLiMengseeingintheraininthedarkSummaryHowtodescribetheinventionSentencestructuresWritingskillswhatinventionThenewinventionisa(n)...ListtheoutlinebeforewritingtheinventorandthetimeItwasinventedby...in/on...theshapeandthematerialIthas.../Itlookslike...Itismadeof/from...