山東省九年級英語全冊 Unit 6 When was it invented（第2課時）課件 新人教版.ppt

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Unit6Whenwasitinvented?,SectionA(3a-4c),第二課時,Step1Revision1.Checkthehomework.2.Role-playtheconversationin2d.Step2Lead-in講解《茶葉的起源》，讓學生們了解中國的茶文化，及茶葉被發(fā)明的淵源，并了解其發(fā)展過程。1.Whatisthevideoabout?2.WhoisthewriterofChaJing?Sstrytoanswerthequestions:1.It’saboutthetea.2.LuYu.,Step3ReadingWorkon3a:1.TellSstoreadthepassagequicklyandmatcheachparagraphwithitsmainidea.,Para.1LuYuandhisbookChaJingPara.2HowteaspreadtoothercountriesPara.3Howteawasinventedbyaccident,2.方法指導：先閱讀所給的三句話，然后快速閱讀短文，抓住每一段的主題句，找到答案。3.學生們按老師指導的方法進行閱讀，并快速閱讀三個段落。4.最后，教師讓部分學生回答答案，并校對答案。,Para.1HowteawasinventedbyaccidentPara.2LuYuandhisbookChaJingPara.3Howteaspreadtoothercountries,Workon3b:1.告訴學生們再次閱讀短文內(nèi)容，并回答3b中的所有問題。2.學生們先閱讀這些問題，理解它們的意思，然后帶著相關(guān)問題仔細回讀短文，并在短文的相關(guān)信息處畫線。3.讓學生們回答問題，并校對答案。,①Itwasfirstdrunkabout5,000yearsago.②Itwasinventedbyaccident.③LuYu.④It’sabouthowteaplantsweregrownandusedtomaketea.⑤ItisbelievedteawasbroughttoKoreaandJapanduringthe6thand7thcenturies.Teadidntappearuntilaround1660inEngland.,4.讓學生讀一下自己的答案，并改正答案。,Tea(afterwater),themostpopulardrinkintheworld(invent)byaccident.Itisbelievedthattea(drink)about5,000yearsago.It(say)thataChineseruler(call)ShenNongwasthefirst(discover)teaasadrink.OnedayShenNong(boil)drinkingwateroveranopenfire.Someleavesfromateaplant(fall)intothewaterandremainedthereforsometime.It(produce)anicesmellsohe(taste)thebrownwater.Itwasquitedelicious,andso,oneoftheworld’sfavoritedrinks(invent).,Step4Post-readingReadandfillintheblanks.1.Fillintheblanksaccordingtothefirstparagraph.,2.Fillintheblanksaccordingtothesecondparagraph.LuYu,“thesaintoftea”,(mention)ShenNonginhisbookChaJingafewthousandyearslater.Thebookdescribeshowteaplants(grow)andusedtomaketea.Italsodiscusseswherethefinesttealeaves(produce)andwhatkindsofwater(use).,3.Fillintheblanksaccordingtothethirdparagraph.Peoplebelievedthattea(bring)toKoreaandJapanduringthe6thand7thcenturies.InEngland,tea(notappear)untilaround1660,butinlessthan100years,ithadbecomethenationaldrink.TheteatradefromChinatoWesterncountries(take)placeinthe19thcentury.,Workon3c:Completethesentenceswiththecorrectformsoftheverbsinthebox.1.告訴學生們本學習活動的要求：用所給單詞的適當形式填空。2.讓學生們讀3c中的內(nèi)容，理解每個句子的大體意思。3.學生們閱讀句子內(nèi)容，回想短文的內(nèi)容，選擇恰當?shù)膯卧~并用其恰當形式填空。4.如果不能直接填上，可以再去閱讀短文，在相關(guān)的內(nèi)容處，再仔細進行閱讀，找到相關(guān)信息，并完成句子。5.核對答案。,Step5GrammarFocus1.學生閱讀GrammarFocus中的句子，然后做填空練習。,①拉鏈是什么時候被發(fā)明的？thezipper?②它于1893年被發(fā)明。Itin1893.③它是由誰發(fā)明的？itinvented?,④它是由惠特科姆賈德森發(fā)明的。ItWhitcombJudson.⑤茶葉是什么時候被帶到朝鮮去的？teatoKorea?⑥茶葉在六到七世紀之間被帶到朝鮮。TeatoKoreathe6thand7thcenturies.⑦熱冰激凌勺用來做什么？Whatthehotice-creamscoop?,⑧它用于挖很冷的冰激凌。It’sreallycoldice-cream.⑨電話機在1876年被貝爾所發(fā)明。ThetelephoneAlexanderGrahamBellin1876.⑩貝爾于1876年發(fā)明了電話機。AlexanderGrahamBellthetelephonein1876.,2.學生們根據(jù)記憶，看大屏幕來完成填空練習。3.學生們完成填空練習后，可以打開課本檢查答案，對錯誤的句子，單獨進行強化記憶。Step6PracticeWorkon4a:1.TellSstoreadthesentencesin4aandrewritethesentencesusingthepassivevoice.,,2.做題方法點撥示例：①點撥：原句為一般過去時態(tài)，原句的謂語動詞為sold，賓語為thefridge；改為被動語態(tài)時，應(yīng)將thefridge作句子主語，謂語動詞用wassold的形式。Theysoldthefridgeatalowprice.→Thefridgewassoldatalowprice.,②點撥：分析原句的句子結(jié)構(gòu)可知，stole是謂語動詞，mycamera是句子的賓語；改為被動語態(tài)時，應(yīng)將mycamera作句子主語，謂語動詞用wasstolen的形式。Somebodystolemycamerafrommyhotelroom.→Mycamerawasstolenfrommyhotelroom.學生們自主將其他三個句子變成被動語態(tài)。,3.最后，教師與同學們一起校對答案，并對學生們有疑問的地方進行解釋，或做出合理的分析點撥。Wherewerethesephotostaken?Wewereadvisednottogooutalone.Thebookwastranslatedintodifferentlanguagesbydifferentwriters.,Workon4b:Completethesentenceswiththecorrectformsoftheverbsinthebox.1.讓學生們閱讀方框中的詞匯，了解詞匯及句子的意思，為進行填詞做好準備。eat,like,invite,tell,lock,ring,break,bring2.認真閱讀每個句子，根據(jù)上下文確定空格處應(yīng)填的單詞。3.逐句進行分析推敲，然后分析句子的時態(tài)及語態(tài)，用適當?shù)男问教羁铡?1)Youtothepartylastnight,werentyou?Whydidntyougo?2)Theearthquakehappenedallofasudden,butluckilythevillagerstoasafeplace.3)Thedoorwhenwearrived,sowethebell.4)Thestudentsnottoeatordrinkinclass,butRubytherulewhenshestartedeatingabiscuitinscienceclass.5)Thecookiesbythehungrykidsinlessthan20minutes,andtheyreallythem.4.最后，通讀一遍所有句子，進行綜合理解，看句子的意思是否通順，合理。,5.ChecktheanswerswiththeSs.Keys:1）wereinvited；2）werebrought；3）waslocked,rang(前一句中，門是被鎖的，故應(yīng)用被動語態(tài)；后一句中，我們?nèi)グ撮T鈴，是主動語態(tài))；4）weretold,broke(前一句中，學生們是被告訴不要做這些事情，故應(yīng)用被動語態(tài)；后一句中，Ruby違反規(guī)則，則是主動語態(tài))；5）wereeaten,liked(前一句中，餅干是被孩子們吃掉了，故應(yīng)用被動語態(tài)；后一句中，孩子們喜歡這些餅干，則是主動語態(tài))。,1.先通讀小短文，了解大意。Thetelephone(invent)byAlexanderGrahamBell.He(born)in1847.Mr.Bell(work)ontheinventionofthetelephonewithThomasWatson.In1875,Mr.Bell(learn)howtosendmusicalnotesthroughaninstrumentsimilartoatelephone.Finally,thetelephone(invent)in1876.Thefirstsentencethat(say)onthetelephonebyMr.Bellwas“Mr.Watson,comehere;Iwanttoseeyou.”Todaythetelephone(use)aroundtheworld.,Workon4c:Decidewhetheractiveorpassiveformsshouldbeusedinthesesentences.Writethecorrectformsintheblanks.,2.逐句分析每一句話的意思，確定句子主語和謂語動詞之間的主動或被動關(guān)系。3.結(jié)合句子的時態(tài)，填上正確的形式。4.復讀短文，看是否通順。5.核對答案。,2.逐句分析每一句話的意思，確定句子主語和謂語動詞之間的主動或被動關(guān)系。3.結(jié)合句子的時態(tài)，填上正確的形式。4.復讀短文，看是否通順。5.核對答案。,Step7Homework1.Readthepassageseveraltimesafterschool.2.Makesentenceswiththesewords:byaccident,itisbelievedthat,takeplace,nodoubt,beusedfor,fallinto,3.補全下列被動句。①Jennyputherclothesinthesuitcaselastnight.Herclothesinthesuitcaselastnight.②ThetwinssanganEnglishsongthatday.AnEnglishsongbythetwinsthatday.③Didtheybuildabridgehereayearago?abridgeherebythemayearago?④Theysoldoutthelightgreendressesyesterday.Thelightgreendressesyesterday.,謝謝！,