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1、Unit6Whenwasitinvented?SectionA1a—1c一学案导学：句型：Whenwasthecarinvented?弄清一般过去时态的主动语态与被动语态的差异，并通过练习和运用加以巩固。在学习中，懂得人类的科学发明创造了丰富的物质文明，激发创造发明的能力和愿望。并乐于参加学习小组活动，积极合作。通过课件呈现中国古代的发明:gunpowder/compass/papermaking/printing然后问学生:Whatarethey?Helpthestudentstosay:TheyarefourinventionsofChina.Getthestudentst
2、orepeat.叫学生列举一些他们知道的发明,如car,telephone,computer,TV等。Thenshowsomeinventionsonthescreentothestudents:Telephone,calculator,car,personalcomputer,TV,lightbulb,alarm,clock,microwaveoven,electricslipper.Teacher:Therearemanyusefulthingsintheworld.Theyhelpusalotinlife.(Showsomepicturesonthescreen)When
3、weretheyinvented?Students:_____________________.②Thetelephonewasinventedin1876.②Thecomputerwasinventedin...二、自主学习文化背景导读HowAmericansshowedtheirrespectforEdisonThomasAlvaEdisonwasawardedmorepatentsoninventionsthananyotherAmerican.Whenhediedin1931,Americanswonderedhowtheycouldbestshowtheirrespe
4、ctforhim.Onesuggestionwasthatthenationobserveaminuteortwooftotalblackout.Allelectricpowerwouldbeshutoffinhomes,streets,andfactories.PerhapsthissuggestionmadeAmericansrealizefullywhatEdisonandhisinventionsmeanttothem.Electricpowerwastooimportanttothecountry.Shuttingitoffforevenashorttimewould
5、haveledtocompleteconfusion.Ablackoutwasoutofthequestion.OnthedayofEdison’sfuneral,manypeoplesilentlydimmedtheirlights.Inthiswaytheyhonoredthemanwhohaddonemorethananyoneelsetoputagreatforceofelectricityathiscountrymen’sfingertips.翻译下列年代：1nineteenseventy-one____________2eighteeneighty-five____
6、______3.eighteenseventy-six4.1927_________________5.1976______________________6.2010____________________二、自主学习文化背景导读HowAmericansshowedtheirrespectforEdisonThomasAlvaEdisonwasawardedmorepatentsoninventionsthananyotherAmerican.Whenhediedin1931,Americanswonderedhowtheycouldbestshowtheirrespectf
7、orhim.Onesuggestionwasthatthenationobserveaminuteortwooftotalblackout.Allelectricpowerwouldbeshutoffinhomes,streets,andfactories.PerhapsthissuggestionmadeAmericansrealizefullywhatEdisonandhisinventionsmeanttothem.Electricpowerwastooimportanttotheco
