Unit+6+Section+A++1a~2d 人教版英語九年級全冊

SectionA(1a-2d)學(xué)練優(yōu)九年級英語（RJ）教學(xué)課件Unit6Whenwasitinvented?Wordsandphrases:heel,scoop,electricity,style,project,pleasure,zipper,daily,website,pioneer,list,mention,ruler,boil,remain,smell,saint,national,trade,popularity,doubt,haveapoint,byaccident,takeplace,withoutdoubt.Sentences:1.—Whenwasthetelephoneinvented?—Ithinkitwasinventedin1876.2.—Whataretheyusedfor?—Theyareusedfor…Passivevoice(pasttense)Learninggoals提到；說到項目；工程樣式；款式高興；愉快每日的；日常的網(wǎng)站列表；列清單先鋒；先驅(qū)Canyousaythesewords?Game先鋒；先驅(qū)煮沸；燒開統(tǒng)治者保持不變疑惑；疑問貿(mào)易；交易氣味國家的Matchandreadthewords！MatchingtradesmellboilremainrulerdoubtpioneernationalWhataretheFourGreatInventionsinancientChina?Doyouknow?LeadincarcalculatorlaptoptelephonecellphoneradioA:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.Talkaboutwithyourpartner.A:Ithinkthecalculatorwasinventedbeforethecomputer.B:Well,Ithinkthecalculatorwasinventedafterthecomputer.Talkaboutwithyourpartner.ChinesefourgreatancientinventionscompassgunpowderprintingPapermakingModerninventionscalculatorTalkabouttheinventions(發(fā)明).Whichonedoyouthinkisthemosthelpfulinourdailylife?computerLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4](1=first,4=last)1234Presentation

Listenandmatchtheinventionswiththeyears.abcdWhenwasthe...invented?

1876188519271971acbd1bStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.Whenwasthetelephoneinvented?Ithinkitwasinventedin1876.1cPracticeWhenwasthecarinvented?Itwasinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.Whenwasthecomputerinvented?Itwasinventedin1971.Listenandnumbertheinventions[1-3]intheorderyouhearthem.312___shoeswithspecialheels___shoeswithlights___hotice-creamscooprunsonelectricity2aInventionWhatisit/aretheyusedfor?shoeswithspecialheels________thestyleoftheshoesshoeswithlightsseeing___________hotice-creamscoop________reallycoldice-creamListenagainandcompletethechart.changingservinginthedark2bMakeconversationsusingtheinformationin2b.Whataretheshoeswithlightsusedfor?They’reusedforseeinginthedark.2cWhatarehotice-creamscoopusedfor?They’reusedforservingforreallycoldice-cream.Whatareshoeswithspecialheelsusedfor?They’reusedforchangingthestyleoftheshoes.Role-playtheconversation.Readthepassagequicklyandanswerthequestions.Whatisthesubjectfortheirschoolproject?2.WhatkindofinventiondoesRoythinkof?

Smallinventionsthatchangedtheworld.Thezipper.2d3.WhydoesRoythinkitisagreatinvention?4.Whoandwhenwasthezipperinvented?5.Whendidthezipperbecomepopular?Becauseitisoftenusedinourdailylives.WhitcombJudsonin1893.Around1917.

YearInventionInventor(s)1902AirconditionerWillisCarrie1903Gas-motoredandmannedplaneWrightbrothers1910ThefirsttalkingfilmThomasEdison1923TelevisionLogieBaird1928Penicillin(青霉素)AlexanderFleming1937Photocopier(影印機)ChesterFCarlson1940ColourtelevisionPeterGoldmark1942ElectricdigitalcomputerAmericanscientists1945AtomicbombAmericanscientists1950CreditcardsRalphSchneider1985WindowsOSMicrosoftCompany1990WorldWideWebTimBerners-Lee1.Well,youdoseemtohaveapoint…h(huán)aveapoint

有道理e.g.Iadmit(that)youhaveapoint.我承認(rèn)你有理。LanguagePoints2.Theyareusedforseeinginthedark.

beusedfordoingsth.表示“被用來做某事”。與beusedtodosth.同義。表示用途、目的。e.g.Thiscomputerisusedtocontrolallthemachines.這臺

電腦是用來控制所有機器的。Doyouknowwhatthistoolisusedfor?

你知道這個工具是用來做什么的?3.Thinkabouthowoftenit’susedinourdailylives.

thinkabout表示“考慮，想起”。

e.g.Heisthinkingabouttravellinginthesummerholidays.

他正在考慮暑假旅游的事。Shewasthinkingaboutherchildhooddays.她正回想她的童年時期。【拓展】有關(guān)think的短語thinkof指“考慮,記憶,記起”Ican’tthinkofhisnameatthemoment.我一時想不起他的名字。thinksth.over指“仔細(xì)想,審慎思考,作進一步考慮”PleasethinkoverwhatIsaid.請仔細(xì)考慮我說的話。thinksth.out指“想通,想出,熟思”Hethoughtoutanewidea.他想出了一個新主意。SummaryTalkedabouttheinventedtime,inventorsandtheusageofsomeinventions.UsedthePassiveVoice(pasttense)totalkaboutthehistoryofsomeinventions.1.用所給單詞的正確形式填空：When

thetelephone(invent)

?Thecomputercan

usdomathproblems(help).3.Inthoseday,thewomancouldn't

(afford)aTVbecausetheywerereallyexpensive.4.Afriendof

(I)cametoseemelastweek.5.Ithinkyouneed

(take)ahistoryclass.inventedwashelpExercisesaffordminetotake2.單項選擇()1.Thekindofcupisused_______drinking.A.toB.asC.byD.for()2.Mymotherandmysisterkeptontalking,butmyfather________silentallthetime.A.gotB.keptC.turnedD.looked()3.Ithinktheshortstory______byLuXun.A.iswritingB.iswrittenC.writtenD