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Unit1TheChangingWorldTopic3TheworldhaschangedforthebetterSectionAⅠ.Materialanalysis本课是九年级第一单元第三话题的第一课时，主活动为1a和3。1a通过谈论纽约街头今昔的变化，学习含有since和for的现在完成时态。1b通过听对话来获取特定的信息，提升学生的听力水平。1c训练学生的口语表达能力。2通过听短文来了解百老汇的变化。3既是重点也是难点。让学生通过观察数轴来学习since和for的用法，最后在4中进行口头运用。本课通过纽约和百老汇的今昔对比，引导学生关注社会的发展，关注文化的进步。Ⅱ.Teachingaims1.Knowledgeaims：掌握本课的重点词汇和短语，进一步学习现在完成时（since和for的用法及区别）。2.Skillaims:培养学生的听力能力。培养学生的运用现在完成时进行口头表达的能力。能通过整合对话内容，提升综合语言运用能力，为语言输出做好准备。3.Emotionalaims:(optional)引导学生了解各国城市的变化，关注社会文明的进步，为建设更好的家园而努力学习。
4.Cultureawareness:(optional)通过纽约街头今昔的对比，引导学生关注不同的国家、城市的发展和社会文明进步。Ⅲ.Thekeypointsanddifficultpoints1.Keypoints:Wordsandphrases:block,artist,visitor,industry,chemistry,term,get/beusedto,usedtobe…,asamatteroffact,millionsof,standfor…Sentences:YouhavebeeninNewYorkforalongtime.…butthecityhasimprovedalotsinceIcamehereafewdaysago.Grammar:PresentPerfect(since和for的用法)2.Difficultpoints：通过具体语境，区别短语get/beusedto(doing)sth.和usedtodosth.的用法。能通过观察、听和说的方式感知并掌握since和for的用法。能区别since和for引导的时间状语，并在现在完成时中进行运用。Ⅳ.Learningstrategies通过1b图表信息完成1c，培养学生重组语言的能力。通过1b的听力训练，教会学生在听力中提取关键语句的学习方法。通过3的练习，培养学生掌握观察、归纳总结的学习策略。通过2的综合填空，教会学生根据联系上下文和提取时间状语的方法进行综合填空。
Ⅴ.Teachingaids单词卡片（如：block,art/artist,visit/visitor等）或者幻灯片；纽约或者北京今昔的对比图片；歌剧视频Cats的片段等。Ⅵ.TeachingproceduresStage(timeperiod)InteractionpatternsTeacheractivityStudentactivityRemarks1Warming-up(2-3mins)ClassactivityGreetandplayavideoofapartofCats.T:Boysandgirls,beforewehaveourclass,let’senjoyapartoftheopera.…T:Doyoulikeit?Ss:Yes,it’samazing.T:It’sveryfamousthroughouttheworld.Doyouwanttoknowwhereitisfrom?Ss:America.GreetandenjoyavideoaboutCats.…Ss:Yes,it’samazing.…Ss:America.《猫》是纽约百老汇非常著名的音乐剧之一，让学生欣赏其中的片段，感受西方文化。如果条件不具备，可以播放音乐Memory或者其它具有代表性的歌曲。2Lead-inClassPresentsomepicturesofNewYork’sstreets,WatchthepicturesofNew
(2-3mins)activityfamousmuseumsetc.,andgettheSstotalkabouttheirfeelingsafterwatching.T:Right.It’sfromBroadwayinNewYork.Now,lookatthepicturesofNewYork.Howdoyoulikeit?.York’sstreets,famousmuseumsetc.,andtalkabouttheirfeelings.S1:Thestreetisclean.S2:Howbeautifultheparkis!S3…教师先出示具有纽约特色的图片，引起学生的兴趣，为学习1a打下基础。3Pre-listening(5mins)ClassactivityPresentthenewwordsanddifficultsentencesontheBb.AsktheSstotakenotesandtrytorememberthem.T:Yes,it’sawonderfulplacetolive.Asamatteroffact,itusedtobeterrible.BobhasbeeninNewYorkforalongtime.Hehasseenthechangeshimself.Thecityhasimprovedalotsincehecamethere.Hehasalreadygotusedtothelifethere.Ss…Trytounderstandthenewwordsanddifficultsentences,andtakenotesaccordingtotheteacher’sdescriptions.Ss…1a部分内容简单，教师在课前可以处理的话，听后活动中就不用再做另外的处理。教师在呈现新知时，应注意短语的辨析。如果学生基础较差，可补充与实际生活贴近的例句，创设新的语境感知语言点的用法。
(Teachothernewwordsandphrasesinthesameway.)4While-listening(8mins)ClassactivityPairworkStep1:LettheSsscan1bbeforelistening.Listento1atwiceandtickwhatwasmentionedaboutNewYork.Finish1b.T：DoyouwanttoknowhowterribleNewYorkusedtobe?Nowlet’slistentoadialogandtickwhatwasmentionedaboutNewYork.…T:Now,let’schecktheanswer.Step2:Listento1aagain,payattentiontothepronunciationandintonationandthenact1aout.T:Youareright,let’slistentothetape,andthentrytoactoutthedialog.…T:Anyvolunteers?Scanthematerialsof1b.Thenlistenandticktherightanswers.Finish1b.……S1:terribletrafficS2:dirtystreetListento1aagain,payattentiontothepronunciationandintonationandthenroleplay1a.Ss…经过听前的新知呈现，该部分听力练习的难度大大降低，因此，不用再另外给时间让学生作听前准备。分角色朗读课文时，教师应根据从班级到小组，再到结对练习的顺序，逐渐让学生把握对话角色，更好的理解课文，增强展示环节的自信心。
Ss:5Post-listening(20mins)GroupworkStep1:GuidetheSstotalkaboutNewYorkbasedon1band1c.Thenretell1aingroups.T:We’velearntaboutthechangesaboutNewYork’straffic,streets,lifeandsoon.Now,let’saskandanswerwithyourgroupmembers.Thenretell1ainyourownwords.Theinformationof1bcanhelpyou.S1:HowmuchdoyouknowaboutthetrafficinNewYork?S2:Iheardthatthetraffictherewasterrible.Doyouhaveanyideaaboutthestreet?S3…T:OK,whocanreportwhatyoudiscussedinTalkaboutNewYorkbasedon1band1c.Thenretell1aingroups.S1:HowmuchdoyouknowaboutthetrafficinNewYork?S2:Iheardthatthetraffictherewasterrible.Doyouhaveanyideaaboutthestreet?S3…如果学生的综合语用能力较差，可以按课文要求完成1c，只进行简单的对话问答；如果可以，教师根据实际情况调整成对话后的复述环节。
Groupworkyourgroupjustnow?Haveatry,please.S4:NewYorkisabigcityintheUSA.Thetrafficthereusedtobeterrible.Andthestreetsthereweredirty,buttheyarecleannow….Step2:GettheSstounderlinethesentencesinPresentPerfecttensein1aandpresentthreesentencesof4inSectionB,payingattentiontothestress,weakform,liaisonandpause.Thendiscusstheusageof“for”and“since”ingroupsaccordingtotheexamples.Finish3.T:Excellent!Nowgothrough1aagainandunderlinethesentenceswith“for”and“since”inthem.…S4:NewYorkisabigcityintheUSA.Thetrafficthereusedtobeterrible.Andthestreetsthereweredirty,buttheyarecleannow….Underlinethesentenceswhichhave“have/hasdone”in1a.Readthethreesentencesof4inSectionB,payingattentiontothestress,weakform,liaisonandpause.Thendiscusstheusageof“for”and“since”ingroupsaccordingtotheexamplesandteacher’sexplanations.Finish3.适当整合教材，运用教材资源，提升教学效果。讨论过程中，教师应给予适当的点拨，帮助学生突破重难点，如关注“时间状语”的特点等。另外，简笔画，图表，时间轴也是提高课堂教学有效性的重要手段。
T:OK,whocan?S1:YouhavebeeninNewYorkforalongtime.Ss:ButthecityhasimprovedalotsinceIcamehereafewdaysago.(Presentthreesentencesof4inSectionB)T:Now,lookatthesesentences.Let’sreadthefivesentencestogetherandpayattentiontotheintonation.Ss…(Drawatimeaxisliketheonein3)T:OK,lookatthesentencesandthistimeaxiscarefully;thinkaboutthedifferencesbetween“since”and”for”.Thendiscusswithyourgroupmembers.…S1:YouhavebeeninNewYorkforalongtime.Ss:ButthecityhasimprovedalotsinceIcamehereafewdaysago.…Ss…
IndividualworkSs…T:Whocantry,please?Group1,please.Listencarefullyandyoucanaddyourideas.S1:“for”…S2:“since”…T:Welldone!Now,trytofillintheblankswith“since”and“for”,andthenlistentothetapetocheckyouranswer.…Step3:GettheSstofillintheblanksin2beforelistening.Thenlistenandchecktheanswer.Finish2.T:First，trytofillintheblanksbeforelistening,andpayattentionto“since”and“for”.Thenlistenandchecktheanswerbyyourselves.Ss…S1:“for”…S2:“since”…Trytofillintheblanksin2,andthenchecktheanswerwhilelistening.将第二部分放在最后，可以提升学生的综合语言运用能力。
6Summarizingandassigninghomework(5mins)ClassactivityStep1:Sumupthemaincontentofthisclassandrepeatthenewwords,expressionsandgrammar.Step2:HMK1.GettheSstoworkingroupstocomparethedifferencesoftheplaceswheretheylive.Finish4.2.CollectmoreinformationaboutNewYork.Gooverwhatyouhavelearnedwithyourgroupmembers.Workingroupstotalkaboutthedifferencesoftheplacetheylive.Finish4.课堂总结，也可以分工合作，如：单数组归纳单词短语；双数组总结句型和语法等，但要注意经常轮换。布置开放性作业时，要采用不同方式进行评价，如：可以通过下节课的课前展示，或小组长调控等方式实现。Ⅶ.BlackboarddesignTheworldhaschangedforthebetter.SectionALanguagepoints:block,artist/art,visitor/visit,industry,chemistry/chemical,term;get/beusedto/usedtobe…;Grammar:YouhavebeeninNewYorkforalongtime.ButthecityhasimprovedalotsinceIcamehereafewdaysago.IhavelivedinNewYorkforthreeyears.
asamatteroffact/infact;millionsof;standfor…Hehasbeenawayfromhomefor12days.Sinceitstarted,ithashelpedhundredsofpeoplereturntoworkandliveanormallife.
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