Unit6第6課時(shí)(SectionB3aSelfCheck)（教學(xué)課件）九年級(jí)英語(yǔ)全一冊(cè)（人教版）

3a-SelfCheck老師：XXX班級(jí)：XXXUnit6Whenwasitinvented?ContentsReview1Pre-writing2While-writing3Post-writing4Summary5Homework6Languagegoals語(yǔ)言能力學(xué)習(xí)能力思維品質(zhì)文化意識(shí)培養(yǎng)學(xué)生熱愛(ài)科學(xué)、勇于探索的精神。1.掌握常用詞匯及句型:

nearly,decideon,comeupwith等;2.用英語(yǔ)介紹某一項(xiàng)發(fā)明。通過(guò)了解世界上一些對(duì)人類有著重大意義的發(fā)明的相關(guān)信息，開(kāi)闊學(xué)生的眼界，培養(yǎng)學(xué)生的創(chuàng)造精神。1.熟練掌握被動(dòng)語(yǔ)態(tài)用法；2.學(xué)會(huì)使用被動(dòng)語(yǔ)態(tài)介紹某項(xiàng)發(fā)明。1234

01

ReviewWhatinventionshavewelearned?ReviewHowtointroducethem?When

wasitinvented?Whowasitinventedby?Itwasinventedin/by…Whatinventionshavewelearned?ReviewHowtointroducethem?What

isit/aretheyusedfor?Whyaretheyinventedby?Theyareusedfor…Whatinventionshavewelearned?ReviewHowtointroducethem?Who

wasitinventedby?Howwasitinvented?Itwasinventedby...Oneday,...What

aretheinfluences?Howtodescribeaninvention?Whowasitinvented?Howwasitinvented?Whenandwherewasitinventedby?Whatisitusedfor?

Whataretheinfluencesofit?Whatisitmadeof?Howdoesitwork?......

02

Pre-writingbylisteningmusic.bydoingexercises.Let’stalk.Someinterestinginventions.Doyouthinktheyareuseful?Whathaveyouinvented?self-closingdoorbylisteningmusic.bydoingexercises.Let’stalk.Thinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.3a·Problem:__________________________________________·Newinvention:___________________________________·Whatitisusedfor:________________________________aspecialpenquicklytakingnotesinclasstakingnotesinclassCouldyoutellmemoreaboutit?bylisteningmusic.bydoingexercises.Let’stalk.Thinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.3aWhoandwhywasitinvented?Whatisitusedfor?Howdoesitwork?Whatdoyouthinkoftheinvention?本單元的話題是“Invention(發(fā)明)”。寫(xiě)作內(nèi)容通常要求根據(jù)圖表或文字提示介紹發(fā)明物的相關(guān)情況（歷史、用途、特點(diǎn)等），或者針對(duì)生活中的實(shí)際情況，提出自己的發(fā)明建議。寫(xiě)作時(shí)，要求學(xué)生能夠運(yùn)用本單元的語(yǔ)言知識(shí)，尤其是一般過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)來(lái)組織語(yǔ)言。話題分析Analysisbylisteningmusic.bydoingexercises.Analysis定人稱定時(shí)態(tài)定體裁說(shuō)明文

一般過(guò)去時(shí)

第三人稱

一般現(xiàn)在時(shí)被動(dòng)語(yǔ)態(tài)Howtointroduceaninvention?開(kāi)篇點(diǎn)題詳盡描述表達(dá)觀點(diǎn)Howto

introduceaninvention?BeginningEndingBodyWhatShowopinionWhat,HowAnalysisHowtointroduceaninvention?開(kāi)篇點(diǎn)題詳盡描述表達(dá)觀點(diǎn)Howto

introduceaninvention?AnalysisThisis......wasinventedby/in...Itismadeof…/Itlookslike…Itcannotonly…butalso…Itwasusedto/for…WithoutdoubtIlike…because…

03While-writingbylisteningmusic.bydoingexercises.Imagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.3aWhile-writingThis

specialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor…BeginningBodyEndingI’dliketointroduce…/Thisis…Don’tyou…?Ifso,please…Itwasinvented…Becauseit…Itisusedfor…First…then…ShowThisspecialpenwasinventedbyLiuJie.Heinventitbecausehewanttotakenotesquicklyinclass.Ithasthreecolorsandisusedfortakingnotesquickly.Itisveryusefulifyouhavealottowritedown.Thepencanstorealistofcommonwordsthatyouwilluse.Whenyouarewriting,youjustneedtowritetheshortformswiththepen,pressabuttononthepentherelatedwordswillappear.Besides,itcanalsoturnourvoiceintoactualwords.WithoutdoubtIlikethespecialpenbecauseIcantakenotesquicklyinclassnow.Don’tyouthinkit’scool?SamplewritingBeginningEndingBody實(shí)戰(zhàn)演練發(fā)明改變世界，不少中學(xué)生都?jí)粝氤蔀榘l(fā)明家。某英語(yǔ)報(bào)社正組織題為“Myinvention:________”的征文活動(dòng)，請(qǐng)你根據(jù)下面的要點(diǎn)提示，寫(xiě)一篇80詞左右的英語(yǔ)短文參賽。要點(diǎn)：1.你夢(mèng)想的發(fā)明是什么?

2.這項(xiàng)發(fā)明能幫你或他人解決什么問(wèn)題?

3.你為什么想發(fā)明這個(gè)東西?要求：1.文中不得出現(xiàn)自己的真實(shí)姓名。

2.開(kāi)頭已為你寫(xiě)出，不計(jì)入總詞數(shù)。While-writingWhile-writingIhopetoinventakindofsupershoes.Manyofusmayhavetothrowawayourshoeswhentheyaretoosmallforourfeet.Thisisagreatwaste.Andlostshoesarealsobadfortheenvironment.IfIcouldinventakindofsupershoes,therewouldbenosuchwaste.Thiskindofshoesismadeofaspecialmaterial,whichcangrowwithyourfeetandalwaysfityourfeet.Youdon’thavetoworryaboutyourshoesbeingtoosmallortootight.Inaddition,iftheshoesaredirty,theywillstarttheautomaticcleaningfunctionbetween12:00a.m.and3:00a.m.,anditwillautomaticallydry.Soyourshoesalwayslookclean.Ifyouwalktoomuch,therewillbeamassagefunctionatthebottomoftheshoestohelpyourelaxyourfeet.Theseshoescannotonlyhelpussavesometimeforcleaningandmassage,butalsoareenvironmentallyfriendly.Itisalsogoodforustoprotecttheenvironment.Themostimportantthingisthattheshoesarecheap.Myinvention:SuperShoesBeginningEndingBody①題材：本文是一篇材料作文，寫(xiě)自己的一項(xiàng)發(fā)明；②時(shí)態(tài)：時(shí)態(tài)為“一般現(xiàn)在時(shí)”；③提示：根據(jù)所給提示完成寫(xiě)作，不能遺漏信息，包括想要發(fā)明的東西、能解決的問(wèn)題以及發(fā)明的原因等。[寫(xiě)作步驟]第一步，介紹想要發(fā)明的是什么；第二步，具體介紹想要發(fā)明的原因；第三步，介紹發(fā)明物能解決的問(wèn)題。第四步，總結(jié)發(fā)明物的優(yōu)點(diǎn)。[亮點(diǎn)詞匯]①throwaway扔掉②bebadfor對(duì)…有害③notonly…butalso不但…而且…[高分句型]①I(mǎi)fyouwalktoomuch,therewillbeamassagefunctionatthebottomoftheshoestohelpyourelaxyourfeet.（if引導(dǎo)的條件狀語(yǔ)從句）②Thiskindofshoesismadeofaspecialmaterial,whichcangrowwithyourfeetandalwaysfityourfeet.（which引導(dǎo)的非限制性定語(yǔ)從句）While-writing詳解

04

Post-writing0102030405Peer-editingGoodStructureCorrectgrammar/spellingGoodsentencesLinkingwordsBeautifulwritingExchangeyourarticles,helpeachothercorrectthem.Post-writingPlayagame 4位同學(xué)扮演“推銷商”上講臺(tái)向同學(xué)們“推銷”自己的發(fā)明，臺(tái)下的每位同學(xué)都舉手投票，得票最多的“推銷商”獲勝。（注意：在“推銷”發(fā)明時(shí)請(qǐng)全程使用英語(yǔ)。）Post-writing誰(shuí)的發(fā)明最暢銷？Fourstudentsactas"salesman"ontheplatformto"sell"theirinvention.Theaudienceofeachstudentraisetheirhandstovote,andthe"salesperson"withthemostvoteswillwin.Theinventionthatcanbeacceptedisusefulandmeaningful.inventdoubtmentionwebsiteallofasuddenItisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay_________thingswhicharenearlythesame.It’shardtotellwhocameupwiththeideafirst.Someinventionscanalsoleadtootherinventions________________.Sosomepeople__________whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sideatocreatehisorherinvention.Thatiswhybooksor___________usually_______________morethanoneinventorwhengivinginformationaboutinventions.SelfCheckinventallofasuddendoubtwebsitesmention提出；想出SelfCheckCompletethepassagewiththecorrectformsofthewordsinthebox.11.Someonestolemywatch.

Mywatchwasstolen(bysomeone)

2.Theyusedfiveeggstomakethisbigcake.Fiveeggswereused(bythem)tomakethisbigcake

3.Whendidtheyinventthepersonalcomputer?Whenwasthepersonalcomputerinvented?

4.Theyaskedusnottoruninthehallway.Wewereaskednottoruninthehallway(bythem)