Unit 6 Section B (3a-Self Check) 課件-人教版九年級英語全冊

SectionB3a-selfcheckUnit6Whenwasitinvented?LearningobjectsBy

the

end

of

the

class,youwillbeableto…1.Learnhowto

write

the

expository

writing

andconsolidatetheusageofpassivevoice.2.Knowmoreaboutgreatinventionsandarousetheinterestininventing.Warmingup

InventionsareeverywhereinourlifeAsyoupourinyourhotdrink,thecolorchanges.ColorchangingcupSmartandcreativeinventionsYoucanneverchopyourfingersoffanymore.SmartandcreativeinventionsIt’sthensafeforyoungchildrentoeatthem.switchplug(斷路插頭)2012年，富超穎(中國)scootercarriage(滑板嬰兒車)2007年，ValentinVodev(奧地利)3aThinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.?Problem:__________________________Newinvention:__________________Whatitisusedfor:______________quicklytakingnotesinclassaspecialpenImagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.3bThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor…ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfortakingnotesquickly.Itisveryusefulifyouhavealottowritedown.Thepencomeswithamicrochipthatcanstorealistofcommonwordsthatyouwilluse.Youcanprogramthewordsyouwilluseoftenintothemicrochip’smemory,andthenassignashortformtoeachword.Whenyouarewriting,youjustneedtowritetheshortformswiththepen,pressabuttononthepenandalltheshortformswillchangeintotheactualwords.Themicrochipcancontainupto50wordsandyoucanmakechangestothelistofwordswheneveryouneedto.

計算機在我們的生活、工作中的作用越來越大，你知道計算機的起源與發(fā)展嗎？請結(jié)合計算機的發(fā)明時間（1946）年、外形、用途等方面，談一下它的發(fā)展變化，并說明你對未來計算機的暢想。要求：1.意思連貫，語句通順；詞數(shù)不少于80。

Computer_______________________________________________________________________________________________________________________________________小試牛角2這是一篇事物介紹類的說明文，根據(jù)題目提示可考慮采用下面的模板。計算機引出話題介紹發(fā)明暢想未來...importantinourdailylife.時間:Thecomputerwasinventedin...外形：...washuge.用途:sendsomemessages...open...Ithinkcomputersaregoingto...Computer

Computersarebecomingmoreandmoreimportantinourdailylife.Doyouknowwhenthecomputerwasinvented?Thecomputerwasinventedin1946.Atthattime,itwashuge.Withthedevelopmentofscienceandtechnology,thecomputerhasgrownsmaller.Nowtherearemanykindsofcomputers,suchaspersonalcomputersandlaptops.Thecomputerisaveryusefultoolinourlife.【參考范文】Forexample,itcansendsomemessagestoforeignfriendsbye-mail.What’smore,itcanshareinformationwithothersthroughtheWorldWideWeb.Wecanalsolistentomusicorplaythegameoncomputers.Itmakesusrelax.It’shardtoimaginewhatourlifewouldbelikewithoutcomputers.Ithinkcomputerswillbemoreconvenientandtheyaregoingtochangeourlifecompletelyinthenearfuture.Let’swrite請你根據(jù)下表中的信息向大家簡單介紹幾項發(fā)明。InventionWheelTelephoneLightbulbAppearingtimeAfewthousandyearsagoIn1876In1879InventorUnknownAlexanderBellThomasEdisonMainmaterialWoodPlasticandmetalGlassandmetalMainuseMakingtravelingfasterForcommunicatingoverdistanceGivinglight謀篇布局綜述偉大的發(fā)明的共性具體介紹其中兩項發(fā)明總結(jié)它們對人們生活的影響B(tài)esidestheabove,thereare…Thanksto…,oursliveshavebeengreatlyimproved.Ithinkthefirstgreatinventionis…itwasinvented…agoanditwasmadeof…Ithinkit’sreallysucha…Ithasnotonly…butalso…Thenextimportantinventionis…Itwasinventedby…itwasmadeof…Itisusedto…Therehavebeenmanygreatinventionsthathavechanged…積累成句dailylives日常生活

bemadeof/from由……制成byaccident偶然；意外地beusedto/for被用來……atthattime在那時

withoutdoubt毫無疑問；的確

notonly…butalso…不但……而且……thanksto由于；多虧開頭句：Amongallthemoderninventions,Ithink…isthemostimportantone.Ithink…issuchagreatinvention.Inmyopinion,…isoneofthegreatestinventions.中間句：Itwasinvented…ago.Itwasmadeof/from…Itwasusedto/for…Thisinventioncannotonly…butalso…Thisinventionmadeit…forsb.todosth.結(jié)尾句：Thanksto…,ourliveshavebeengreatlyimproved.WithoutdoubtIlike…because……play(s)animportantpartinourdailylives.經(jīng)典名句：Laborcreatestheworld.勞動創(chuàng)造了世界。Oneofthegreatesthumanqualitiesisitscreativity.人類最偉大的品質(zhì)之一便是其創(chuàng)造性。Therehavebeenmanygreatinventionsthathavechangedthewaywelive.Ithinkthefirstgreatinventionisthewheel.Itwasinventedafewthousandyearsagoanditwasmadeofwoodatthattime.Ithinkit’sreallysuchagreatinvention.Ithasnotonlymadetravelingfasterbutalsomadeiteasiertocarryheavythings.However,almostnobodywhoinventedit.Thenextimportantinventioniswithoutdoubtthetelephone.ItwasinventedbyanAmericancalledAlexanderBellinl876.Itwasmadeofplasticandmetal.Itisusedtocommunicateoverdistances.Besidestheabove,therearestilllotsofothergreatinventions.Thankstotheseamazinginventionsandthegreatinventors,ourliveshavebeengreatlyimproved.1Completethepassagewiththecorrectformsofthewordsinthebox.inventdoubtmentionwebsiteallofasuddenItisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay_______thingswhicharenearlythesame.It’shardtotellwhocameupwiththeideafirst.SomeinventionscanalsoleadtootherinventionsinventSelfCheck想出；提出（主意、計劃、回答等）______________.Sosomepeople_________whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sideatocreatehisorherinvention.Thatiswhybooksor________usually_________morethanoneinventorwhengivinginformationaboutinventions.allofasuddendoubtwebsitesmention2Rewritethesesentencesusingthepassivevoice.1.Someonestolemywatch.2.Theyusedfiveeggstomakethisbigcake.Fiveeggswereusedtomakethisbigcakebythem.Mywatchwasstolenbysomeone.3.Whendidtheyinventthepersonalcomputer?4.Theyaskedusnottoruninthehallway.5.Someonetookthevideobacktothestore.Whenwasthepersonalcomputerinventedbythem?Wewereaskednottoruninthehallwaybythem.Thevideowastakenbacktothestorebysomeone.3Findoutinformationaboutaninventionyouwouldliketoknowmoreaboutandwritesentencesbelow.Invention:_________________________When:____________________________Who:_______________________________Purpose:____________________________

從古至今,無數(shù)的發(fā)明走進了我們的生活。例如:電燈泡(lightbulb)、電視(TV)、電腦(computer)、電話(telephone)、自行車(bicycle)、雨傘(umbrella)等,這些發(fā)明給我們的生活帶來了諸多方便,使我們的生活水平不斷地提高。請根據(jù)表格提示,以“MyFavoriteInvention—Computer”為題目寫一篇短文。發(fā)明時間1946用途1.上網(wǎng)查信息2.發(fā)郵件3.聽音樂、玩游戲、購物等4.廣泛應用于銀行、學校、公司、醫(yī)院等地方要求:1.內(nèi)容充實,語言通順,意思連貫,表達清楚;2.書寫規(guī)范,不少于80個詞;3.可自由發(fā)揮。MyFavoriteInvention—Computer______________________________________________________________________________________________________________________________________________________________________________________________________【寫作模板】【思路點撥】

(1)體裁:說明文；

(2)人稱:第三人稱；

(3)時態(tài):一般過去時和一般現(xiàn)在時。

【參考范文】MyFavoriteInvention—ComputerInthepastfewyears,moreandmoreinve