资源描述
Unit6Whenwasitinvented?,SectionA(3a-4c),第二课时,Step1Revision1.Checkthehomework.2.Role-playtheconversationin2d.Step2Lead-in讲解茶叶的起源，让学生们了解中国的茶文化，及茶叶被发明的渊源，并了解其发展过程。1.Whatisthevideoabout?2.WhoisthewriterofChaJing?Sstrytoanswerthequestions:1.Itsaboutthetea.2.LuYu.,Step3ReadingWorkon3a:1.TellSstoreadthepassagequicklyandmatcheachparagraphwithitsmainidea.,Para.1LuYuandhisbookChaJingPara.2HowteaspreadtoothercountriesPara.3Howteawasinventedbyaccident,2.方法指导：先阅读所给的三句话，然后快速阅读短文，抓住每一段的主题句，找到答案。3.学生们按老师指导的方法进行阅读，并快速阅读三个段落。4.最后，教师让部分学生回答答案，并校对答案。,Para.1HowteawasinventedbyaccidentPara.2LuYuandhisbookChaJingPara.3Howteaspreadtoothercountries,Workon3b:1.告诉学生们再次阅读短文内容，并回答3b中的所有问题。2.学生们先阅读这些问题，理解它们的意思，然后带着相关问题仔细回读短文，并在短文的相关信息处画线。3.让学生们回答问题，并校对答案。,Itwasfirstdrunkabout5,000yearsago.Itwasinventedbyaccident.LuYu.Itsabouthowteaplantsweregrownandusedtomaketea.ItisbelievedteawasbroughttoKoreaandJapanduringthe6thand7thcenturies.Teadidntappearuntilaround1660inEngland.,4.让学生读一下自己的答案，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,oneoftheworldsfavoritedrinks(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.告诉学生们本学习活动的要求：用所给单词的适当形式填空。2.让学生们读3c中的内容，理解每个句子的大体意思。3.学生们阅读句子内容，回想短文的内容，选择恰当的单词并用其恰当形式填空。4.如果不能直接填上，可以再去阅读短文，在相关的内容处，再仔细进行阅读，找到相关信息，并完成句子。5.核对答案。,Step5GrammarFocus1.学生阅读GrammarFocus中的句子，然后做填空练习。,拉链是什么时候被发明的？thezipper?它于1893年被发明。Itin1893.它是由谁发明的？itinvented?,它是由惠特科姆贾德森发明的。ItWhitcombJudson.茶叶是什么时候被带到朝鲜去的？teatoKorea?茶叶在六到七世纪之间被带到朝鲜。TeatoKoreathe6thand7thcenturies.热冰激凌勺用来做什么？Whatthehotice-creamscoop?,它用于挖很冷的冰激凌。Itsreallycoldice-cream.电话机在1876年被贝尔所发明。ThetelephoneAlexanderGrahamBellin1876.贝尔于1876年发明了电话机。AlexanderGrahamBellthetelephonein1876.,2.学生们根据记忆，看大屏幕来完成填空练习。3.学生们完成填空练习后，可以打开课本检查答案，对错误的句子，单独进行强化记忆。Step6PracticeWorkon4a:1.TellSstoreadthesentencesin4aandrewritethesentencesusingthepassivevoice.,2.做题方法点拨示例：点拨：原句为一般过去时态，原句的谓语动词为sold，宾语为thefridge；改为被动语态时，应将thefridge作句子主语，谓语动词用wassold的形式。Theysoldthefridgeatalowprice.Thefridgewassoldatalowprice.,点拨：分析原句的句子结构可知，stole是谓语动词，mycamera是句子的宾语；改为被动语态时，应将mycamera作句子主语，谓语动词用wasstolen的形式。Somebodystolemycamerafrommyhotelroom.Mycamerawasstolenfrommyhotelroom.学生们自主将其他三个句子变成被动语态。,3.最后，教师与同学们一起校对答案，并对学生们有疑问的地方进行解释，或做出合理的分析点拨。Wherewerethesephotostaken?Wewereadvisednottogooutalone.Thebookwastranslatedintodifferentlanguagesbydifferentwriters.,Workon4b:Completethesentenceswiththecorrectformsoftheverbsinthebox.1.让学生们阅读方框中的词汇，了解词汇及句子的意思，为进行填词做好准备。eat,like,invite,tell,lock,ring,break,bring2.认真阅读每个句子，根据上下文确定空格处应填的单词。3.逐句进行分析推敲，然后分析句子的时态及语态，用适当的形式填空。,1)Youtothepartylastnight,werentyou?Whydidntyougo?2)Theearthquakehappenedallofasudden,butluckilythevillagerstoasafeplace.3)Thedoorwhenwearrived,sowethebell.4)Thestudentsnottoeatordrinkinclass,butRubytherulewhenshestartedeatingabiscuitinscienceclass.5)Thecookiesbythehungrykidsinlessthan20minutes,andtheyreallythem.4.最后，通读一遍所有句子，进行综合理解，看句子的意思是否通顺，合理。,5.ChecktheanswerswiththeSs.Keys:1）wereinvited；2）werebrought；3）waslocked,rang(前一句中，门是被锁的，故应用被动语态；后一句中，我们去按门铃，是主动语态)；4）weretold,broke(前一句中，学生们是被告诉不要做这些事情，故应用被动语态；后一句中，Ruby违反规则，则是主动语态)；5）wereeaten,liked(前一句中，饼干是被孩子们吃掉了，故应用被动语态；后一句中，孩子们喜欢这些饼干，则是主动语态)。,1.先通读小短文，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.逐句分析每一句话的意思，确定句子主语和谓语动词之间的主动或被动关系。3.结合句子的时态，填上正确的形式。4.复读短文，看是否通顺。5.核对答案。,2.逐句分析每一句话的意思，确定句子主语和谓语动词之间的主动或被动关系。3.结合句子的时态，填上正确的形式。4.复读短文，看是否通顺。5.核对答案。,Step7Homework1.Readthepassageseveraltimesafterschool.2.Makesentenceswiththesewords:byaccident,itisbelievedthat,takeplace,nodoubt,beusedfor,fallinto,3.补全下列被动句。Jennyputherclothesinthesuitcaselastnight.Herclothesinthesuitcaselastnight.ThetwinssanganEnglishsongthatday.AnEnglishsongbythetwinsthatday.Didtheybuildabridgehereayearago?abridgeherebythemayearago?Theysoldoutthelightgreendressesyesterday.Thelightgreendressesyesterday.,谢谢！,
展开阅读全文