Unit6Whenwasitinvented？集体备课内容二次备课内容三维教学目标KnowledgeObject:TalkaboutthehistoryofinventionsItwasinventedin1876.Whatwasitusedfor?Itwasusedtotalktopeopleinothertowns.Master:be+pp.AbilityObject.：1）能运用所学知识练习被动语态的句式。2）能用所学句型进行交际练习。EmotionObject:培养学生的听说演等能力及合作学习的意识。教学重点1．KeyVocabulary2．TargetLanguage．3Trainthestudentstotalkaboutthehistoryofinventions.教学难点被动语态的运用及构成。教法情景操练，反复使用，师生互动，生生互动。学法通过谈论历史上的发明物，充分掌握被动语态的用法.教学准备多媒体课件教科书卡片录音机课前预习学案。教学过程Step1.Warm-upShowsomepicturesandaskstudentstobefamiliarwiththewordsbelow.Telephone,calculator,car,personalcomputer,TVsetStep2.PresentationⅠ.1aGroupwork1.Pointtothepicturesandaskstudentstosaywhattheyare.2.Discussingroupsandnumberthem1-5.3.Checktheanswers.Ⅱ.1b1.Lookatthepicturesandthedates.Listentoaconversationbetweenagirlandawoman,thenmatchtheinventionsandthedates.2.Checktheanswers.Ⅲ.1cPairwork1.Workinpairs.Lookat1b.StudentAcoverthedates.StudentB,askstudentAwhenthethingsinthepicturewereinvented.Thenchangerolesandpracticeagain.2.Askstudentstomakesimilardialoguesusingthethingsaroundthem.Ⅳ.2a1.Showaslidewithsomeinventionsonit.Teachthevocabularywords.Readthemagainandagainandtrytograspthem.2.2aShowanotherslide.Lookatthepicture.Herearethethreeinventions.Youwillhearaconversationbetweenagirlandaboy.Listenandnumbertheinventionsintheorderthatyouhearthem.3.Listencarefullyagainandcheckuptheiranswers.4.Askastudenttosayouthis/heranswer.5.Theteachershowsthecorrectanswers.Ⅴ.2b1.Askthestudentstopayattentiontothesampleconversationandasktwostudentstoreaditaloud.2.Roleplaytheconversationsusingtheinformationinthechartin2b.Homework：1.Copygrammartwice.2.AskthestudentstodotheworkbookandRecitewords.课后反思本节课成功之处：本节课需改进的地方：
