2026秋新教材人教版九年级上册英语 Unit 5 Section B 2a–3d 教案

第第页2026秋新教材人教版九年级上册英语Unit5SectionB2a–3d教案科目英语年级九年级班级授课时间45课题Period5:WriteAboutaGreatInvention(SectionB2a–3d)课型WritingLesson教材分析ThisperiodisthewritinglessonofUnit5.Itincludesvocabularyreview,modelpassageanalysis,outlineguidance,andashortcomposition.Studentslearntowriteaboutagreatinvention,includingitsinventor,time,processandinfluence.Itintegratesinventionvocabulary,passivevoiceandcoherentexpressionstocompleteaclearandlogicalintroduction.学情分析Studentshavemasteredvocabularyaboutinventionsandpassivevoice.Theycanintroduceinventionsorallybutlackstandardizedwritingstructure.Theyoftenfailtousepassivevoicecorrectlyandlackconjunctionstomakelogicclear.Theyneedmodel,outlineandstep-by-stepguidance.教学设计思路Lead-inbytalkingaboutgreatinventions→Learnusefulexpressions→Readandanalyzethemodelpassage→Completeanoutline→Learnwritingstructure→Draftandrevise→Shareandevaluate→Summaryandhomework.Follow“input—imitation—output—improvement”.核心素养目标LanguageAbility1.Masterexpressions:beinventedby,bemadeof,beusedfor,developrapidly,spreadwidely.2.Understandthemodelpassageandmasterthestructure:Invention—Inventor—Process—Influence.3.Writeacompleteandcoherentpassageusingcorrectpassivevoiceandconjunctions.ThinkingQuality1.Organizeideaswithanoutlinetoimprovelogicalwriting.2.Summarizethevalueofinventionstoenhancecriticalthinking.CulturalAwareness1.Respectgreatinventionsandinventors’spiritofexploration.2.EnhanceculturalconfidencebyintroducingChineseinventions.LearningAbility1.Learnfromthemodelpassagetoimprovereading-to-writeability.2.Self-checkandrevisetoimproveindependentLearningAbility.教学重难点KeyPoints1.Wordsandsentencesfordescribinginventions,inventorsandinfluences.2.Writingstructure:Invention→Inventor→Time→Function→InfluenceDifficultPoints1.Correctlyusepassivevoice(simplepresent/past)inwriting.2.Useconjunctionstomakethepassagesmoothandlogical.教学方法Model-basedTeaching;OutlineGuidedMethod;ProcessWriting;PeerRevision教学工具Textbook;Projector;Modelpassage;Outlineworksheet;Blackboard;Colorpens教学内容及过程教学环节教师活动学生活动1.Warm-up&Lead-in(5mins)1.Review:Askstudentstosaytwogreatinventions.2.Freetalk:Whichinventiondoyouwanttowriteabout?3.Leadtotoday’stask:Writeaboutagreatinvention.1.Reviewandspeakactively.2.Sharetheirideas.3.Knowthewritingtaskclearly.设计意图Reviewknowledge;activateideas;leadtowritingnaturally.2.Vocabulary&UsefulExpressions(15mins)1.Activity2a:Askstudentstocompletewordforms.2.Activity2b:Choosecorrectwordstocompletesentences.Checkanswers.3.Summarizeandpracticeusefulexpressions:beinventedby,bemadeof,beusedfor,developrapidly,spreadwidely.4.Reviewpassivevoiceforwriting.1.Completewordforms.2.Finishexercises;checkanswers.3.Readandmemorizeexpressions.4.Reviewpassivevoicerules.设计意图Buildvocabulary;providesufficientlanguageinputforwriting.3.ModelStudy&Outline(12mins)1.Pre-writing:AskstudentstoreadthemodelpassageabouttheWrightbrothersquickly.Answer:Whatwasinvented?2.Carefulreading:Completethemind-mapoutline.3.Analyzethestructureclearly:①Introduction:Name&category②Body:Inventor,time,process④Ending:Influence&value4.Teachconjunctions:and,but,so,however,later.1.Readthemodel;getthemainidea.2.Completethemindmap.3.Learnthewritingstructure.4.Takenotesofconjunctions.设计意图Learnfromthemodel;provideclearstructureandlanguagesupport.4.Writing&Revision(5mins)1.While-writing:Guidestudentstofinishnotesin3b.Writeadraftof8–10sentences.2.Revision:Askstudentstocheckinpairs:structure,conjunctions,passivevoice,grammar.3.Walkaroundtohelpandgivesuggestions.1.Makenotes;writethedraftindependently.2.Checkandrevisewithpartners.3.Askforhelpwhenneeded.设计意图Guidestep-by-stepwriting;improvequalitythroughrevision.5.Sharing&Summary(2mins)1.Invite2–3studentstosharetheirpassages.2.Givepositivefeedbackandevaluation.3.Summarizekeypoints:structure,expressions,passivevoice.1.Volunteertoshareworks.2.Listenandlearnfromothers.3.Reviewwritingkeypoints.设计意图Buildconfidence;improveappreciationandassessment.6.Homework(1min)Basic1.Copythemodelpassage.2.Correctyourdraft.Improving1.Writeacompletepassage(8–12sentences).2.Polishlanguage.Advanced1.Writearichpassagewithpassivevoice.2.Preparetoshowyourwork.Finishbylevels.设计意图Improvewritingquality.板书设计Unit5Period5Writing:AGreatInventionUsefulPhrases:beinventedby,bemadeof,beusedfor,developrapidlyStructure:1.Introduction:The…isagreatinvention.2.Body:Itwasinventedby…in…Itisusedfor…3.Ending:Itchanged…Conjunctions:and,but,so,however教学反思Successes1.Themodelpassageandoutlinehelpstudentswriteclearlyandlogically.2.M