Unit+6+Section+A++1a~2d 人教版英语九年级全册

SectionA(1a-2d)学练优九年级英语（RJ）教学课件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；说到项目；工程样式；款式高兴；愉快每日的；日常的网站列表；列清单先锋；先驱Canyousaythesewords?Game先锋；先驱煮沸；烧开统治者保持不变疑惑；疑问贸易；交易气味国家的Matchandreadthewords！MatchingtradesmellboilremainrulerdoubtpioneernationalWhataretheFourGreatInventionsinancientChina?Doyouknow?LeadincarcalculatorlaptoptelephonecellphoneradioA:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.Talkaboutwithyourpartner.A:Ithinkthecalculatorwasinventedbeforethecomputer.B:Well,Ithinkthecalculatorwasinventedafterthecomputer.Talkaboutwithyourpartner.ChinesefourgreatancientinventionscompassgunpowderprintingPapermakingModerninventionscalculatorTalkabouttheinventions(发明).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(影印机)ChesterFCarlson1940ColourtelevisionPeterGoldmark1942ElectricdigitalcomputerAmericanscientists1945AtomicbombAmericanscientists1950CreditcardsRalphSchneider1985WindowsOSMicrosoftCompany1990WorldWideWebTimBerners-Lee1.Well,youdoseemtohaveapoint…haveapoint

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

beusedfordoingsth.表示“被用来做某事”。与beusedtodosth.同义。表示用途、目的。e.g.Thiscomputerisusedtocontrolallthemachines.这台

电脑是用来控制所有机器的。Doyouknowwhatthistoolisusedfor?

你知道这个工具是用来做什么的?3.Thinkabouthowoftenit’susedinourdailylives.

thinkabout表示“考虑，想起”。

e.g.Heisthinkingabouttravellinginthesummerholidays.

他正在考虑暑假旅游的事。Shewasthinkingaboutherchildhooddays.她正回想她的童年时期。【拓展】有关think的短语thinkof指“考虑,记忆,记起”Ican’tthinkofhisnameatthemoment.我一时想不起他的名字。thinksth.over指“仔细想,审慎思考,作进一步考虑”PleasethinkoverwhatIsaid.请仔细考虑我说的话。thinksth.out指“想通,想出,熟思”Hethoughtoutanewidea.他想出了一个新主意。SummaryTalkedabouttheinventedtime,inventorsandtheusageofsomeinventions.UsedthePassiveVoice(pasttense)totalkaboutthehistoryofsomeinventions.1.用所给单词的正确形式填空：When

thetelephone(invent)

?Thecomputercan

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

(afford)aTVbecausetheywerereallyexpensive.4.Afriendof

(I)cametoseemelastweek.5.Ithinkyouneed

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