人教版九年級(jí)英語上冊(cè) （When was it invented）SectionA 新課件(第1課時(shí))

Unit6Whenwasitinvented?SectionA(第1課時(shí))

1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4](1=first,4=last).A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.12341bListenandmatchtheinventionswiththeyears.______1876______1885______1927______1971dacb1cStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.

hotice-creamscoop,runsonelectricity

shoeswithlights1

shoeswithspecialheels232aListenandnumbertheinventions[1-3]intheorder

youhearthem.2bListenagainandcompletethechartbelow.InventionWhatisit/aretheyusedfor?shoeswithspeciallights__________thestyleoftheshoesshoeswithlightsseeing______________hotice-creamscoop_________reallycoldice-creamchanginginthedarkserving2cMakeconversationsusingtheinformationin2b.A:Whataretheyusedfor?B:They’reusedfor...Paul:HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?Roy:Withpleasure!Letmethink...hmm...Iknow!Thezipper!Paul:Thezipper?Isitreallysuchagreatinvention?Roy:Thinkabouthowoftenit’susedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags...almosteverywhere!2dRole-playtheconversation.Paul:Well,youdoseemtohaveapoint...Roy:Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattime,itwasn’tusedwidely.Paul:Really?Sowhendiditbecomepopular?Roy:Around1917.

1.invent的用法inventv.發(fā)明,inventionn.發(fā)明,inventorn.發(fā)明者。

e.g.:Edisonwasagreatinventor.Heinventedalotofthings.【辨析】invent,discover,find與findout①invent意為“發(fā)明，創(chuàng)造”，主要通過想象、研究、勞動(dòng)創(chuàng)造出前所未有的東西，尤指科技上的發(fā)明創(chuàng)造。②discover指發(fā)現(xiàn)或偶然發(fā)現(xiàn)原來就存在但一直未被認(rèn)識(shí)的事物。③find強(qiáng)調(diào)尋找的結(jié)果，即“找到”，通常指偶然發(fā)現(xiàn)。④findout指經(jīng)過觀察、調(diào)查，把某事、某物查出來，搞清楚、弄明白。LanguagePoints2.Isitreallysuchagreatinvention?（教材第42頁）such形容詞，意為“這樣的，如此的”，常用在句中作定語，其結(jié)構(gòu)為“such(a/an)+adj.+n.”。e.g.:There'snosuchthingasafreelunch.Whydoyoubuysuchexpensiveclothes?3.Thinkabouthowoftenit'susedinourdailylives.（教材第42頁）daily形容詞，意為“每日的，日常的”，用作lives的定語。e.g.:Whatisyourdailywork?daily還可以作名詞，意為“日?qǐng)?bào)”。People'sDaily《人民日?qǐng)?bào)》ChinaDaily《中國(guó)日?qǐng)?bào)》一、單項(xiàng)選擇。()1.Flashlightcanbeused_____clearlyinthedark.A.forseeingB.toseeingC.lookingD.forlookingat()2.—Whenwasthecarinvented?—It_____in1895.A.inventedB.isinventedC.wasinventedACExercise()3.Thecomputerwasinvented_____lives.A.asourdayB.inourdayC.asoureverydayD.inourdaily()4puteris_____agreatinventionthatit's_____theworldalot.A.so;changingB.such;changedC.such;changeD.so;changedDB二、用所給詞的適當(dāng)形式填空。1.Theteacher'soffice_______(clean)byusyesterday.2.The______(invent)hasalotof_________(invent).3.MP3isusedfor_________(play)music.4.—Canyouhelpme?—With

________(please).wascleanedinventorinventionsplayingpleasure1.Listenandreadafterthetapeathome.2.Readandrecite2d.HomeworkThankyou!Unit6Whenwasitinvented?SectionA(第2課時(shí))

WarmingupLookatthepictures.Answerthequestions.1.Doyoulikedrinkingtea?2.Howwasteainvented?AnAccidentalInventionDidyouknowthattea,themostpopulardrinkintheworld(afterwater),wasinventedbyaccident?Manypeoplebelievethatteawasfirstdrunkabout5,000yearsago.ItissaidthataChineserulercalledShenNongwasthefirsttodiscoverteaasadrink.OnedayShenNongwasboilingdrinkingwateroveranopenfire.Someleavesfromateaplantfellintothewaterandremainedthereforsometime.Itproducedanicesmellsohetastedthebrownwater.Itwasquitedelicious,andso,oneoftheworld’sfavoritedrinkswasinvented.Paragraph1LuYuandhisbookChaJingParagraph2HowteaspreadtoothercountriesParagraph3Howteawasinventedbyaccident3aReadthepassagequicklyandmatcheachparagraph

withitsmainidea.ItisbelievedthatteawasbroughttoKoreaandJapanduringthe6thand7thcenturies.InEngland,teadidn’tappearuntilaround1660,butinlessthan100years,ithadbecomethenationaldrink.TheteatradefromChinatoWesterncountriestookplaceinthe19thcentury.Thishelpedtospreadthepopularityofteaandtheteaplanttomoreplacesaroundtheworld.Eventhoughmanypeoplenowknowaboutteaculture,theChinesearewithoutdoubttheoneswhobestunderstandthenatureoftea.Afewthousandyearslater,LuYu,“thesaintoftea”,mentionedShenNonginhisbookChaJing.Thebookdescribeshowteaplantsweregrownandusedtomaketea.Italsodiscusseswherethefinesttealeaveswereproducedandwhatkindsofwaterwereused.1.Whenwasteafirstdrunk?2.Howwasteainvented?3.Whoiscalled“thesaintoftea”?4.WhatisChaJingabout?5.Whenwasteabroughttoothercountries?Itwasfirstdrunkabout5,000yearsago.WhileShenNongwasboilingdrinkingwateroveranopenfire,someleavesfellintothewater,soteawasinvented.LuYu.It'sabookabouttea.Duringthe6thand7thcenturies.3bReadthepassageagainandanswerthequestions.1.Oneoftheworld'sfavoritedrinkswas_______

byaccident.2.Teawasfirst______byShenNong5,000yearsago.3.Anicesmellwas________whenthetealeavesdroppedintothehotwater.4.Teawas________toKoreaandJapanduringthe6thand7thcenturies.5.Teaisnow_______betweenmanydifferentcountries.inventdrinkbringproducetradeinventeddrunkproducedbroughttraded3cCompletethesentenceswiththecorrectformsof

theverbsinthebox.1.byaccident偶然地，意外地

e.g.:Thescientistdiedbyaccidentsuddenly.2.smell和taste的用法（1）n.smell味道（聞到的）；taste味道，品味（嘗起來的）（2）vt.smell聞……；taste品嘗……（3）連系動(dòng)詞：smell聞起來；taste嘗起來

e.g.:Hesmeltthefish.Hefeltthesmellwasbad,sohedidn'ttasteit.LanguagePoints3.辨析happen和takeplace(1)happen發(fā)生（指突然發(fā)生）

e.g.:Theearthquakehappenedsuddenly.（2）takeplace發(fā)生（指按計(jì)劃發(fā)生）

e.g.:Bigchangetookplaceinourtown.4.inthe19thcentury在19世紀(jì)inthe+序數(shù)詞+century表示“……世紀(jì)”【拓展】inthe1980s在20世紀(jì)80年代5.withoutdoubt毫無疑問

e.g.:Heknowsthetruthwithoutdoubt.一、根據(jù)首字母提示補(bǔ)全單詞填空。1.Heisb_____watertomaketeanow.2.Look!Afewapplesstillr______onthetree.Let'spickthemnow.3.Thechickenp