Unit 6 When was it invented 第3课时公开课教学设计【人教版九年级英语】

PAGEPAGE4Unit6Whenwasitinvented?GrammarFocus—SectionB1e教学设计一、教学目标1.熟练掌握下列词汇和短语：fridge,low,somebody,translate,lock,ring,earthquake,sudden,bell,biscuit,cookie,musical,instrument,sour,customer,allofasudden,bymistake2.掌握并运用下列句型：Whenwasthezipperinvented?It’swasinventedin1893.Whowasitinventedby?ItwasinventedbyWhitcombJudson.WhenwasteabroughttoKorea?ItwasbroughttoKoreaduringthe6thand7thcenturies.Whatisthehotice-creamscoopusedfor?It’susedforservingreallycoldice-cream.Didyouknowpotatochipswereinventedbymistake?3.掌握一般过去时被动语态句型结构的肯定、否定和疑问结构及其应答。4.能够听懂使用被动语态谈论美食的发明史的文章，同时掌握使用一般过去时的被动语态谈论美食的发展历史。5.了解对人类有重大意义的发明，开阔学生的眼界，养成勤于思考，善于发现的好习惯。二、教学重点及难点重点：1.一般过去时被动语态句型结构的肯定、否定和疑问结构及其应答。2.了解有关美食的发明史的文章，在听的过程中准确获取和处理信息。难点：1.掌握使用一般过去时的被动语态谈论美食的发展历史。2.掌握一般过去时被动语态句型结构的肯定、否定和疑问结构及其应答。三、教学准备教师：教学课件；多媒体设备学生：课前预习四、教学过程Task1Step1Warming-upLookatthepicturesandhaveatalk.【设计意图】通过问答环节，复习学过的有关被动语态的短语，检测学生对旧知的掌握情况。Step2PresentationWorkonGrammarfocusReadthesentencesinGrammarFocusandlearntheusageofthem.Grammarpoints一般过去时的被动语态构成：一般过去时的被动语态由“主语+was/were+及物动词的过去分词”构成。助动词be有人称、数和时态的变化，其变化规则与be作为连系动词时完全一样。Step3PracticeDosomegrammarexercisesandchecktheanswers.Workon4a~4b1.Rewritethesentencesusingthepassivevoice.2.Completethesentenceswiththecorrectformsoftheverbsinthebox.【设计意图】让学生通过阅读题干的方式来总结一般过去时被动语态的用法，教师加以总结归纳，加深学生印象。后让学生做题巩固一般过去时被动语态这一重要的语法点。Step4ProductionWorkon4cWritethecorrectformsintheblanks.【设计意图】通过被动语态的专项训练，提高学生对语法的掌握能力。Task2Step1Pre-listeningFreetalkLookatthepicturesandanswerthequestions.Workon1aWritethewordsunderthecorrectpictures.Somepictureshavemorethanoneword.Workon1bWritethenameofadifferentfoodaftereachword.【设计意图】通过谈论学生熟悉的话题，激发学生的学习兴趣并学习新词汇，为后面1b听力活动作铺垫。Step2While-listeningWorkon1c~1d1.ListenandcircleTfortrueorFforfalse.2.Listenagainandcompletethesentences.【设计意图】通过听力训练的方式，训练学生在听力过程中理解目标语言内容和提取信息的能力。Step3Post-listeningWorkon1eMakeaconversationabouttheinventionofpotatochips.【设计意图】培养学生小组间或成员间合作意识，运用学过的目标语言进行合作交流，提升语言运用能力。Step4SummaryKeywordsandphrases:fridge,low,somebody,translate,lock,ring,earthquake,sudden,bell,biscuit,cookie,musical,instrument,sour,customer,allofasudden,bymistakeKeysentences:Whenwasthezipperinvented?It’swasinventedin1893.Whowasitinventedby?ItwasinventedbyWhitcombJudson.WhenwasteabroughttoKorea?ItwasbroughttoKoreaduringthe6thand7thcenturies.Whatisthehotice-creamscoopusedfor?It’susedforservingreallycoldice-cream.Didyouknowpotatochipswereinventedbymistake?Step5HomeworkWriteashortpassageabout“TheHistoryofPotatoChips”usingtheinformationin1cand1d.五、板书设计Unit6Whenwasitinvented?GrammarFocus—SectionB1eKeywordsandphrases:fridge,low,somebody,translate,lock,ring,earthquake,sudden,bell,biscuit,cookie,musical,instrument,sour,customer,allofasudden,bymistakeKeysentences:Whenwasthezipperinvented?It’swasinventedin1893.Whowasitinventedby?ItwasinventedbyWhitcombJudson.WhenwasteabroughttoKorea?ItwasbroughttoKorea