资源简介 (共45张PPT)Unit 1 The Changing WorldTopic 2 The population in developing countries is growing faster.Section D 综合复习课(仁爱科普版)九年级上Learning objectives1ReviewLead in3Pre-readingWhile-reading5Post-readingProject7SummaryAssessment9Homework2468101Learning objectives1. Some words:surround, garbage, discourage, local, capital,huge, market, transportation, excellent2. Some phrases:be surrounded by, close to, the capital of China3. Some sentences:Canada is a large country with a population of about 36 million.Group 1Group 2Group 3Group 42Reviewread and say the Chinese meaningprobablyworsepercentincreaseRussianewbornnearbysurroundworsesocialoffergovernmentluckilynaturalreachpolicy1Pre-reading神奇女侠弓箭手神奇女侠弓箭手2ReviewwithIt is increasing _____ 82 million every year.bytobydon’t likehatingI really going to a place like that.Neither do I.hatesdon’t like2Review2ReviewprotectsWe should find new ways to ______ the environment, for example…protectprotectingprotectThanksThank________ to efforts of the government, people’s living conditions are …Thank forThanks2Review2ReviewcauseThe large population have helped them develop, but have ______ them some serious problems as well.causedcausescaused2ReviewI’ve ______ been there before.everneveralready2Review- It has ________ reached 1.36 billion, ...alreadyyetjust2ReviewI have ______ called you.everyetjust2Review-Have you ______ been to the cinema nearby everyetjust3Lead-inProject Hope4Pre-readingThe small town is surrounded by trees. People live close to nature.surround[s ra nd]v.围绕,环绕4Pre-readingLocal people are careful with garbage and discourage cutting trees.local [ l k( )l] adj.当地的garbage[ ɡɑ b d ]n.(生活)垃圾discourage[d sk r d ]v.阻拦,阻止4Pre-readingBeijing, the capital of China. There are big shopping centers and huge markets.capital['k p tl] n.首都;资本huge [hju d ] adj.巨大的market['mɑ k t] n.集市4Pre-readingThe public transportation is excellent, too.transportation[ tr nsp 'te n] n.运输excellent['eks l nt] adj.极好的4Pre-reading4PredictionZhou Lei lives in a small mountain villageLi Ming lives in BeijingWhere are their hometowns Zhou LeiLi Ming5While-readingABAStructure(结构)Skim and choose the structure(结构)5While-readingThe 2 passages may come from .A. A magazine.B. A sports report.C. A story book.Contents(内容)5While-reading01030204to see friends1.the town is surrounded by ;2.the is clean and fresh;3.live to naturefewer than people1.like one big family;2.often each otherGreen Forest in ChongqingScan and fill in the blanksContents(内容)600treescloseairhelphardpopulationenvironmentpeople’s relationstransportation5While-reading0103050204BeijingScan and fill in the blanksContents(内容)play sports; see ;go to movie theatershas a long ;large ;Beihai Park andTian’anmen ;the public is excellent;transportationhistoryBeijing operasSquarepopulationhistoryactivitiesplaces ofinterestpublictransportationpopulation5While-readingRead 1and finish the table.NamePlaceAdvantageDisadvantageZhou Leia small mountain village,Green Forest in ChongqingIt’s hard to see friends because they live so far awayThe air is clean and fresh.People live close to nature and try to protect it.The local people often help each other and have fun together.Contents(内容)5While-readingRead 1and finish the table.Contents(内容)NamePlaceAdvantageDisadvantageLi Mingin Beijing, a large cityThere are many fine and interesting places to visitThe large population has caused some problems.The public transportation is excellent.There are big shopping centers and huge markets.The activities are various,such as playing sports,seeing Beijing operas and so on.6Post-readingHello,everyone!My name is Zhou Lei.I live in a small mountain village called Green Forest in Chongqing,China.I have lived here since I was three. Fewer than 600 people live here.The small village is surrounded by trees.The air is clean and fresh.People live close to nature and try to protect it.They are careful with garbage and discourage cutting trees.The village is really like one big family.The local people often help each other and have fun together.But sometimes it is hard to see friends because they live so far away.Hi, I'm Li Ming. I live in Beijing, the capital of China. My city has a long history and many places of interest. We have big shopping centers and huge markets. Our public transportation is excellent, too. Buses, taxis, and subways can take my friends and me to any part of the city. We can play sports, see Beijing operas, go to movie theaters, and eat declicious food. There are many fine places such as Beihai Park and Tian'anmen Square where we can meet with friends to dance or listen to music. I love my city of Beijing because I have so many friends here and we have so many interesting places to visit together. But now the large population in Beijing has caused some problems.Listen and followTips:When we read,we should pay attention to pronunciation(语音)and intonation(语调)Checklist Star1.Read loudly and fluently. 声音响亮且流利2.Read with intonation and feelings. 语调正确且富有情感3.Pronounce correctly. 发音准确6Post-readingLanguage pointsHello,everyone!My name is Zhou Lei.I live in a small mountain village called Green Forest in Chongqing,China.I have lived here since I was three. Fewer than 600 people live here.The small village is surrounded by trees.The air is clean and fresh.People live close to nature and try to protect it.They are careful with garbage and discourage cutting trees.The village is really like one big family.The local people often help each other and have fun together.But sometimes it is hard to see friends because they live so far away.山城完成时+since+时间点(自从..已经....)be surrounded by 被...围绕靠近be careful with 小心discourage doing sth.阻止做某事彼此/互相have fun doing sth.玩得开心It’s +adj.(for sb.) to do sth. 对某人来说做某事怎么样6Post-readingLanguage pointsHi, I'm Li Ming. I live in Beijing, the capital of China. My city has a long history and many places of interest. We have big shopping centers and huge markets. Our public transportation is excellent, too. Buses, taxis, and subways can take my friends and me to any part of the city. We can play sports, see Beijing operas, go to movie theaters, and eat declicious food. There are many fine places such as Beihai Park and Tian'anmen Square where we can meet with friends to dance or listen to music. I love my city of Beijing because I have so many friends here and we have so many interesting places to visit together. But now the large population in Beijing has caused some problems.名胜古迹take sb. to sp.带某人去某地例如6Post-readingMatch the phrases.a population ofbe surrounded byclose totry to do sth.discourage doing sth.each otherhave fun doing sth.places of interesttake sb. to sp.such as玩得开心例如彼此/互相...的人口带某人去某地阻止做某事被...围绕努力做某事靠近名胜古迹6Post-reading1. Why do they write more advantage delicious foodgood educationgood medical carenight view(夜景)2. What other aspects (方面) can you write Because they love their hometowns.Contents(内容)Think and answer6Post-readingExpressions(表达)Talk about the place you like.Find 1 sentence you like best....be surrounded byclose towith a population ofhelp each otherThere are...such as...and...excellent, buses, taxis, subways6Post-readingExpressions(表达)2 Write a short passage about the place you would like to live based on 1.SUse the structure(结构)CChoose some contents(内容)EUse good expressions(表达)1236Post-readingChecklist(评价标准)“SCE” 评价标准 自评Structure(结 构) clear结构清晰Contents(内 容) 1. at least 2 aspects(方面) 2. at least 1 sentence for each aspectExpressions(表 达) 1. use good phrases we have learned today 2. few grammar mistakes语法错误少Handwriting(书写) clean and clear干净整洁Speak aloud!Be confident!Sharing!6Post-readingChecklist(评价标准)“SCE” 评价标准 互评Structure(结 构) clear结构清晰Contents(内 容) 1. at least 2 aspects(方面) 2. at least 1 sentence for each aspectExpressions(表 达) 1. use good phrases we have learned today 2. few grammar mistakes语法错误少Handwriting(书写) clean and clear干净整洁6Post-reading2 Write a short passage about the place you would like to live based on 1.I’m Maria. I would like to live in a big city, because it is convenient. First of all, it has excellent public transportation so that I can go to any part of the city. Second, it has many places of interest. I with my friends, can visit these interesting places in our spare time. What’s more, it has many shopping centers and markets. We can buy things easily.7ProjectMaking a Report on Different Types of Families1. Look at the different types of families below and discuss the advantages and disadvantages of each type of family.2. Which kind of family do you belong to and which one do you like better Why 3. Report the result to the class.extended familynuclear family8SummarySection Dnew wordsphrasessentencessurround,garbage,discourage,local, capital,huge, market, transportation, excellenta population ofbe surrounded byclose totry to do sth.discourage doing sth.each otherhave fun doing sth.places of interesttake sb. to sp.such asCanada is a large country with a population of about 36 million.9Homework提升作业Search some information about extended family and nuclear family拓展作业Write a report about the advantages and disadvantages of extended family and nuclear family基础作业Recite 1 and make a mind map10AssessmentListen carefullyExpress yourselfAsk questionsRead aloudNote something importantReviewEvaluate yourselvesEnglish leaderLeader assistantGroup member 1Group member 2MembersIn totalMembers Listen carefully Express yourself Ask questions Read aloud Note something important ReviewIn totalEnglish leaderLeader assistant Group member 1 Group member 2 Evaluate yourselvesGood learners achieved!LEARNERShttps://www.21cnjy.com/recruitment/home/fineThanks!/ 让教学更有效 高效备课 | 英语学科Unit 1 The Changing World Topic 2 The population in developing countries is growing faster. 课时教学设计本单元第4课时 Section D 课型 综合复习课语篇研读What---本课时呈现的语篇是一个阅读,文章是一篇记叙文,主要介绍了Sue和Li Ming两人各自的居住地以及两地的优缺点。通过图片以及文章后面的表格可以预测文章主要讲述什么以及讲述哪些方面。此篇文章分为两个部分,一个是Sue的居住地--费尔蒙特的优缺点,另一个是Li Ming的居住地--北京的优缺点。围绕这两个地方文章从两个方面展开描述。从两个地方的优缺点对比,突出两个地方各自的优势。 Why---本课时以单词含义,完成表格为活动任务,向学生展示了一篇记叙文,学生通过完成语篇任务的过程中,了解费尔蒙特的优缺点以及北京的优缺点,并学会在语篇中合理地使用实义动词,学习正确运用时态。帮助学生建立以语言运用为导向的“形式——意义——使用”的语法观,引导学生在理解主题意义的基础上,认识语法形式的选择取决于具体的语境,重视在语境中呈现新的语法知识,指导学生在语境中观察和归纳所学语法的使用场合、表达形式、基本意义、使用规则和语用功能。根据学生的实际需求,选择和设计既有层次又强调整合不同类型的练习和活动,巩固所学语法知识,引导学生在语境中学会应用语法知识准确地理解他人和得体地表达自己。 How---本课语篇内容是作者介绍了Sue和Li Ming两人各自的居住地以及两地的优缺点。文章是一篇记叙文,主要分为两个部分。第一个部分介绍了Sue的居住地--费尔蒙特的优缺点;第二个部分介绍了Li Ming的居住地--北京的优缺点;本记叙文需要学生关注文章的篇章结构及内容写法。学情分析【已知】 教学对象为初三的学生,学生具备一定的阅读能力,能够通过阅读获取关键信息,同时也能够正确运用需要的时态表达自己的看法,观点和意图;学生对北京的变化在历史和地理科目中有涉及,有一定的知识储备;学生知道加拿大在哪个地理位置以及该地的人口经济状况有大致的了解。 【未知】 学生对于目标语言的相关表达掌握不够丰富,对于文章的篇章结构表达不够准确;学生对国外加拿大--费尔蒙特了解颇少,可能一无所知,更不知道费尔蒙特的人口,环境,交通,娱乐活动等。 【能知】 通过本节课的学习,学生从历史,交通,名胜古迹,娱乐活动,人口等能够了解居住在北京的优缺点;学生也能从人口,环境,人们之间的关系,交通等了解到费尔蒙特的优缺点;学生能够根据课文的篇章结构自己描述自己的家乡或者自己喜欢的地方。核心素养教学目标通过本课学习,学生能够: 1.语言能力:学生能够使用新单词和短语描述费尔蒙特及北京的优缺点;学生能够理解新单词和短语通过图片和语篇,同时通过使用完整的结构描述自己家乡或者自己喜欢的某个地方的优缺点;通过跳读和寻读学生能够更好理解文章结构与细节。 2.学习能力:学生能够主动与他人分享学习资源并且有合作学习的意识;学生可以选择使用合适的学习策略和方法来监测,评估,反思以及调整自己的学习过程和内容;学生会与他人合作并且一起完成学习任务;学生会喜欢英语并且选用合适的方法和策略来提高自己的学习效率。 3.思维品质:学生能够根据图片和语境推测单词含义;学生能够分析文章的篇章结构并模仿;学生能够独立思考并且表达他们关于在乡村和城市生活的看法;学生能够分析文章的篇章结构。 4.文化意识:学生通过图片和语篇能够知道加拿大费尔蒙特和中国北京的知识;学生能够培养自己文化意识,关注本国历史文化。教学重难点教学重点: 1. Some words: surround, garbage, discourage, local, capital, huge, market, transportation, excellent 2. Some phrases: be surrounded by, close to, the capital of China 3. Some sentences: Canada is a large country with a population of about 36 million. 教学难点: Use the ‘SCE’ to write a passage.教学方法英语教学活动观,情境式教学,任务型教学教学工具PPT课件,多功能白板,教案教-学-评一体化教学过程教学目标 学习活动 效果评价学习理解: 激发学生兴趣,准备好英语学习的活动;预测文章主题 任务一:Review Play a game--Grammar/Functions 创设情境:创设视频情境-加拿大和北京 任务二:Lead in Watch a video:Where are they Question: Do you want to live in a small town or a big city Why 任务三:Pre-reading 1.Learn new words 2.Prediction:Where are their hometowns 任务一:观察学生能否激起了课堂兴趣,并在游戏中回忆运用旧知。 任务二: 观察学生能否通过视频得到本课要讲的主题;通过问题观察学生的乡村及城市的知识储备,以及能否联想到其他科目上所学的关于北京及费尔蒙特的知识。 任务三: 观察学生能否根据语境及图片猜测词义,以及能否根据音频正确发音;观察学生能否根据图片猜测文章内容。设计意图 开头的复习环节有助于激发学生的学习兴趣,让学生在轻松愉快的环境中做好学习准备同时复习现在完成时及功能句;接下来的视频导入有助于学生理解本课主题,激发学生学习兴趣,将知识带入生活实际,以及后面用语境及图片方式学习新单词给学生学习提供了新的方式,让学生不是孤立机械地学习新单词,让学习充满趣味;根据图片及表格猜测文章主题,让学生了解本课内容,为接下来的学习做好铺垫。教学目标 学习活动 效果评价应用实践:通过精读和泛读直接从文本中获取信息,完成阅读练习;分析文中的篇章结构并且说出作者是怎么写的; 迁移创新: 运用SCE模式自行写作并自评互评 任务四:While-reading 1.Skim and choose the structure(结构) 2.The 2 passages may come from 3.Scan and fill in the blanks 4.Read 1and finish the table 任务五:Post-reading 1.listen and follow 2.Language points 3.Read 1a and match phrases 4.Think and answer 1. Why do they write more advantage 2. What other aspects (方面) can you write 5.Talk about the place you like 6.Work on 2 Write a short passage about the place you would like to live based on 1 任务四:观察学生能否通过表格及文章内容得出文篇章结构;观察学生能否运用寻读的阅读策略找出费尔蒙特及北京的优缺点及完成阅读练习。 任务五: 评价学生能否能够准确朗读句子,语音语调是否正确;观察学生能否理解运用本课知识点;观察学生能否运用SCE写作模式并自评和互评。设计意图 通过跟读语篇有利于培养学生良好的语音面貌,加深对文章理解,内化知识;语言点有利于突破文章重难点,让学生接受新知;短语连线环节可以巩固知识点,并做出判断-学生是否理解并掌握了新知;流程图有利于分析文章,加深理解;表格有利于学生理清思路,为后文的写作做铺垫;写作环节让学生真正达到学以致用。教学目标 学习活动 效果评价提供新的情境,制作一个关于家庭类型的报告 任务六:Project Making a Report on Different Types of Families 1. Look at the different types of families below and discuss the advantages and disadvantages of each type of family. 2. Which kind of family do you belong to and which one do you like better Why 3. Report the result to the class. 任务七:Summary 任务六:观察学生能否在小组合作中完成海报。 任务七:根据学生回答情况,判断学生是否已经掌握新知。设计意图 作报告可以培养学生的合作探究能力,合理有效地运用学习策略,同时又是对本课知识的迁移创新,加强学生对家庭类型的理解;同时了解自己的家庭类型,相当于调查活动,激起学生的学习兴趣;总结环节让学生回忆本课所学,加深理解。课时教学板书设计1. Some words: surround, garbage, discourage, local, capital, huge, market, transportation, excellent 2. Some phrases: be surrounded by, close to, the capital of China 3. Some sentences: Canada is a large country with a population of about 36 million.评价量表课时作业设计作业内容 作业目标 设计意图基础题: 1.背诵1a 2.绘制本课知识点的思维导图 掌握最基本的语言知识;语音语调基本正确;培养学生自主学习的能力,深化语言学习能力目标。 课标中要求学生语音语调基本正确,背诵文章可以练习语音语调并且深化学生对文章的理解,夯实基础;绘制导图有利于培养学生的归纳能力,并且响应课标--要求学生在学习中善于利用图画等非语言信息进行理解。提高题: 查阅关于扩展家庭和核心家庭的资料 学会运用课本以外的资源 鼓励学生积极主动地参与语言实践活动,让学生能够运用课本以外的资源学习。拓展题: 写一个关于扩展家庭和核心家庭优缺点的报告 学习判断信息的异同与关联,学会举一反三。 鼓励学生积极主动地参与语言实践活动,让学生能够结合所学知识,培养学生用英语解决问题的能力。课后反思(实施后填写)21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 (共 2 页)21世纪教育网(www.21cnjy.com)中小学教育资源及组卷应用平台单 元 整 体 教 学 设 计学科 英语 年级 九年级上使用教材 仁爱科普版 教材页数 P9-16单元名称 Unit1 The Changing World Topic 2 The population in developing countries is growing faster.单元主题及主要内容分析主题范畴:人与社会 主题群:社会服务与人际沟通 子主题:社会变迁 单元话题:发展中国家的人口快速增长 主题意义:本部分是第一单元的第二个话题,重点学习关于世界人口的表达方法。此话题围绕世界人口数量及由于人口众多带来的问题和困难的讨论,呈现新的学习内容,包括表达有关人口、人口增长等的词汇,学习较大的基数词及分数的表达方法,与ever, already, never, just, yet 等词连用的现在完成时,以及So do I和 So it is的句型,并且学习...the population in developing countries is larger than that in developed countries等进行比较的表达方法,以及 thanks to the policy...等表示因果关系的表达方法等。学生将通过听、模仿较大基数词的读法学习朗读数词的方法和语调。学生还将进一步储备和练习使用多种学习策略,如在听力技能训练中获取特殊信息、听懂大意、预测、推断等。目标是学生能够在真实的语境中创建对话,获取对方的信息,补全信息差;借助联想学习和记忆本话题所学单词和短语通过上下文猜测词义,以及能够积极思考,主动探究,善于发现和运用本课的语言规律。 以下是单元语篇内容分析图和基于单元主题和语篇内容分析形成的单元结构图: 表一:单元教学内容 语篇语篇类型语篇内容语篇主题意义Topic 1 Section A 1a 对话 玛丽亚和迈克尔讨论关于购物中心的拥挤情况。学习说明在一个地方的经历,加强英语的日常应用能力。Topic 1 Listening (Section B 1a)对话 康康和玛丽亚谈论世界人口状况。学会世界上的人口变化,了解本国其其它国家人口;发展中国家与发达国家人口状况。Topic1 Reading (Section C 1a)议论文 介绍世界人口;中国的人口以及中国人口众多带来的社会问题;中国政府针对问题采取了哪些措施。学习中国人口带来的社会问题,以及政府针对这些问题采取了哪些措施,与历史/地理相对应,实现跨学科教学。Topic 1 Section D 记叙文 介绍了加拿大费尔蒙特小镇和北京,以及居住在这两个地方的优缺点。学习对比中外居住的优缺点,加深文化认同。表二:单元大观念:学情分析自然情况 本课授课对象为九年级学生,大部分学生英语基础较好,小部分学生对英语存有畏惧感。因此,在课堂教学中,事实性问题主要留给这部分学生回答,增加其对英语的成就感,而分析性问题则以同伴或者小组活动的形式由学生共同完成,锻炼团队合作能力。 已有基础 学生对人口话题比较熟悉,在历史和地理中均有涉及,对中国的人口问题及措施有一些粗略的感知;学生对于课内词汇有初步的认识并能理解完成时的用法,由80%的同学能够正确使用此句型。 存在问题 学生对其他国家的人口状况以及在其他国家居住的优缺点比较陌生,对本单元的学习有影响;学生程度参差不齐,接受能力有快有慢,不利于新知识的推进;在语言学习方面,小部分学生对重点语法-现在完成时掌握不到位,尤其是在对话中的使用不太熟悉;在语言技能方面,学生缺乏良好的记笔记的习惯,学习较为被动。 (四)解决措施 鼓励学生在课堂上积极踊跃发言,尊重每个学生的想法,并给予客观公正的评价,而不是期待唯一的标准答案。 培养学生利用现代科学技术检索信息,查阅资料的能力。 在教学过程中,以学生为中心。创设让学生合作交流的学习情境,一起探讨、讨论,共同完成学习任务。并鼓励学生将所学内容与家长进行分享。 教学方式灵活多样,根据学生随堂掌握情况,及时做出调整和改进。 从多角度多维度对学生进行多方位评价。 加强课前普及,督促血汗俄国做好课前准备,进一步熟悉其他国家人口状况。 注重课堂练习,尤其是对话练习,小组合作练习。单元课标要求及学习目标【单元课标要求】 本单元的主题为The Changing World,包括三个话题:“Our country has developed rapidly.”“The population in developing countries is growing faster.”和“The world has changed for the better.”。围绕主题,呈现本单元三个话题的语音、词汇、语法和功能项目的学习内容,激发学生学习英语的兴趣,进一步提高他们的听、说、读、写能力,并培养其良好的英语学习习惯和掌握科学的学习方法,如主动复习和归纳、认真预习、积极倾听、乐于参与、敢于表达等。 【单元学习目标】学习本单元后,能够: 语言能力:学生能够认识并使用目标语言;学生能正确使用现在完成时谈论动作的持续性及人口问题的原因及影响;学生能够运用完成时谈论在北京及加拿大居住的优缺点;学生能够了解发展中国家与发达国家人口的差别。 学习能力:学生能够通过角色扮演编对话,积极和同伴完成合作任务,运用目标语言谈论动作持续时间及原因影响;能够借助思维导图更清晰地理解文章的内容及结构;能够根据关键词组织语言,复述文章的主要内容。 思维品质:学生在阅读文本过程,能够学习分析文章的结构;在学习语法时,能仔细观察语境,选择正确的词法句法谈论变化;在写作板块,具备理清写作思路的能力,并根据具体的问题,给出合理的建议。 文化意识:能围绕相关主题,谈论在购物中心的经历;了解世界人口分布,尤其是人口大国,了解我国所面临的人口问题及相应的措施;了解在北京和加拿大居住的优缺点,树立正确的价值观。单元课时安排课时及教材板块 课型 课时对应的单元教学目标 评价的手段与方式第一课时 听说课 巩固记录关键信息,学会运用精听和泛听的听力的技能。 通过两人对话活动,情景演绎,评价学生能否运用肢体语言、语调、表达方式等谈论在购物中心的经历。第二课时 听说课 运用精听、泛听策略,听取世界人口状况。 通过精听、泛听回答问题,精听复述对话,评价学生能否掌握听力技巧;通过角色扮演,评价学生是否掌握本课目标词汇。第三课时 阅读课 快速阅读文本,掌握文本大意;细读文章, 归纳梳理世界人口及中国人口问题及影响,并能根据关键词复述文章。 通过略读回答问题链,精读复述阅读篇章,评价学生是否能够掌握文章大意;通过小组活动、完成句子等,评价学生能否掌握现在完成时的用法。第四课时 综合复习课 (语法+读写) 学习了解在北京和费尔蒙特居住的优缺点,并在完成阅读活动的过程中培养找关键词、快速获取信息的基本阅读技能,进一步提高读的能力。 通过小组活动,复述课文了解学生是否掌握目标语言。单元评价设计经过本单元的学习,大部分学生能够熟练运用目标语言。通过本单元的学习,学生们能够学习很多关于人口问题及影响的词汇,并且学会谈论动作的持续性,并运用到自身日常生活中;根据图文就人口等相关基本情况的话题用简单的语言进行交流。21世纪教育网(www.21cnjy.com) 展开更多...... 收起↑ 资源列表 P15-1.mp3 U1 T2 D.pptx Unit 1 Topic 2 第4课时 教学设计 .docx Unit1 Topic 2 大单元整体教学设计.docx