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教案教学基本信息学科英语学段初中年级九年级单元Unit6课题Whenwasitinvented?总课时数6课时SectionB(3a-SelfCheck)课型写作课授课时间教学目标及教学重点、难点教学目标：Attheendoftheclass,thestudentswillbeableto：1.summarizethepassivevoiceofthepasttense.2.thinkaboutyourproblemandthinkofthenewinventiontosolveyourproblem.3.writeapassagetodescribeyourinvention.教学重点：1.Keyvocabulary:professional,nearlytakenotes,comeupwith,leadto...2.Keysentences:a.Thisisbecausesometimesafewpeoplemayinventthingswhicharenearlythesame.b.It’shardtotellwhocameupwiththeideafirst.c.Sosomepeopledoubtwhethertheinventorcameupwiththeideahimselforherself.3.Structure:be+pastparticiple教学难点：Writeapassageaboutaninvention.教学过程(表格描述)教学环节主要教学活动设置意图Step1Review(PPT3-5)1.GuideSstoreviewthethepassivevoiceofthepasttense.2.MakeSsreadandrememberthem.引导学生复习过去式的被动语态，为写作做铺垫。\nStep2Warming-up(PPT6-8)1.ShowsomepicturesaboutinventionsinourlifeforSstolook.2.EncourageSstothinkofmoreinventionsandtrytotalkaboutthem.通过观察生活中的发明并讨论，导入3a。Step3Writing(PPT9-12)Workon3a,3b.1.AskSstoreadthetheinstructionsin3aandthenthinkofsomethingthattheydonotliketodo.Thenthinkofaninventionthatcouldhelpthem.Makenotes.2.MakeSsdiscusstheirinventionswithpartners.3.AskSsreadtheinstructionof3b.Imagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.4.RemindSstousethegivenstructuretowriteapassage.Payattentiontothepassivevoice.ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor…5.ChooseoneofthegoodpassagesandshowittootherSs.6.Underlinethegoodsentencesandcorrecttheerrors.运用3b分组讨论生活中遇到的问题、发明和它的作用，为3b的写作提供素材。根据所提供的句式、文章结构写出短文，并进行短文点评，指出经典句子。Step4Practice(PPT13-22)ShowSssomemorepicturesofinventionstolookandaskthemtowriteanotherpassageaboutSmartandcreativeinventions.另外让学生练习写一篇关于智能的有创意的发明文章。Step5SelfCheck(PPT23-27)Task11.AskSstoreadandreviewthewordsinthebox.2.Fillintheblanksontheirown.3.Inpairs,correcttheworkofeachother.4.Readaloudthepassage.Task21.AskSstosayhowtowriteapassivevoicesentencesimply.2.AsksomeSstowritethesentencesontheblackboard.OtherSsrewritethesentenceson训练学生熟练运用所学的重点单词和重点句型。\ntheirown.3.Theclasslookattheblackboardandcheck.4.ReadandtranslatethemintoChinese.Task31.MakeSsreadtheinstructionsandunderstandhowtowork.2.GuideSstothinkbackoftheinventionsinthisunit.Quicklyandsimplydescribethem.3.AskSstochooseoneinventiontofinishthewriting.Step6Exercises(PPT28-34)Practicethelanguagepointsandgrammarbydoingtheseexercises.用词型填空、句型转换和完成句子等形式练习本单元所学的重点单词。Step7中考链接(PPT35)Doexercisetopracticewas/were+Ved精选中考题练习过去时的被动语态。巩固本单元所学的重点语法内容。Step8Homework(PPT36)1.Writeanarticleaboutyourfavouriteinvention.2.Dosomeexercisesaboutpassivevoice.3.Previewthenewwordsinthenextunit.作业复习本单元所学的语法和语言点为主，并预习新单词等。\n板书设计Unit6Whenwasitinvented?SectionB(3a-SelfCheck)SampleThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfortakingnotesquickly.Itisveryusefulifyouhavealottowritedown.Thepencomeswithamicrochipthatcanstorealistofcommonwordsthatyouwilluse.Youcanprogramthewordsyouwilluseoftenintothemicrochip’smemory,thenassignashortformtoeachword.Whenyouarewriting,youjustneedtowritetheshortformswiththepen,pressabuttononthepenandtheshortformswillchangeintotheactualwords.Themicrochipcancontainupto50wordsandyoucanmakechangestothelistofwordswheneveryouneedto.教学反思1.本课时写了一篇开放性的作文。写作之前对重点词汇、句型、语法的复习尤为关键。2.引导学生写作时要正确运用被动语态。
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