Unit 6 When was it invented 第3課時公開課教學設計【人教版九年級英語】

PAGEPAGE4Unit6Whenwasitinvented?GrammarFocus—SectionB1e教學設計一、教學目標1.熟練掌握下列詞匯和短語：fridge,low,somebody,translate,lock,ring,earthquake,sudden,bell,biscuit,cookie,musical,instrument,sour,customer,allofasudden,bymistake2.掌握并運用下列句型：Whenwasthezipperinvented?It’swasinventedin1893.Whowasitinventedby?ItwasinventedbyWhitcombJudson.WhenwasteabroughttoKorea?ItwasbroughttoKoreaduringthe6thand7thcenturies.Whatisthehotice-creamscoopusedfor?It’susedforservingreallycoldice-cream.Didyouknowpotatochipswereinventedbymistake?3.掌握一般過去時被動語態(tài)句型結(jié)構(gòu)的肯定、否定和疑問結(jié)構(gòu)及其應答。4.能夠聽懂使用被動語態(tài)談論美食的發(fā)明史的文章，同時掌握使用一般過去時的被動語態(tài)談論美食的發(fā)展歷史。5.了解對人類有重大意義的發(fā)明，開闊學生的眼界，養(yǎng)成勤于思考，善于發(fā)現(xiàn)的好習慣。二、教學重點及難點重點：1.一般過去時被動語態(tài)句型結(jié)構(gòu)的肯定、否定和疑問結(jié)構(gòu)及其應答。2.了解有關(guān)美食的發(fā)明史的文章，在聽的過程中準確獲取和處理信息。難點：1.掌握使用一般過去時的被動語態(tài)談論美食的發(fā)展歷史。2.掌握一般過去時被動語態(tài)句型結(jié)構(gòu)的肯定、否定和疑問結(jié)構(gòu)及其應答。三、教學準備教師：教學課件；多媒體設備學生：課前預習四、教學過程Task1Step1Warming-upLookatthepicturesandhaveatalk.【設計意圖】通過問答環(huán)節(jié)，復習學過的有關(guān)被動語態(tài)的短語，檢測學生對舊知的掌握情況。Step2PresentationWorkonGrammarfocusReadthesentencesinGrammarFocusandlearntheusageofthem.Grammarpoints一般過去時的被動語態(tài)構(gòu)成：一般過去時的被動語態(tài)由“主語+was/were+及物動詞的過去分詞”構(gòu)成。助動詞be有人稱、數(shù)和時態(tài)的變化，其變化規(guī)則與be作為連系動詞時完全一樣。Step3PracticeDosomegrammarexercisesandchecktheanswers.Workon4a~4b1.Rewritethesentencesusingthepassivevoice.2.Completethesentenceswiththecorrectformsoftheverbsinthebox.【設計意圖】讓學生通過閱讀題干的方式來總結(jié)一般過去時被動語態(tài)的用法，教師加以總結(jié)歸納，加深學生印象。后讓學生做題鞏固一般過去時被動語態(tài)這一重要的語法點。Step4ProductionWorkon4cWritethecorrectformsintheblanks.【設計意圖】通過被動語態(tài)的專項訓練，提高學生對語法的掌握能力。Task2Step1Pre-listeningFreetalkLookatthepicturesandanswerthequestions.Workon1aWritethewordsunderthecorrectpictures.Somepictureshavemorethanoneword.Workon1bWritethenameofadifferentfoodaftereachword.【設計意圖】通過談論學生熟悉的話題，激發(fā)學生的學習興趣并學習新詞匯，為后面1b聽力活動作鋪墊。Step2While-listeningWorkon1c~1d1.ListenandcircleTfortrueorFforfalse.2.Listenagainandcompletethesentences.【設計意圖】通過聽力訓練的方式，訓練學生在聽力過程中理解目標語言內(nèi)容和提取信息的能力。Step3Post-listeningWorkon1eMakeaconversationabouttheinventionofpotatochips.【設計意圖】培養(yǎng)學生小組間或成員間合作意識，運用學過的目標語言進行合作交流，提升語言運用能力。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、板書設計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