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教学无忧http:/jiaoxue5u.taobao.com/专注中小学 教学事业！Chapter6 Friend of Enemy?-Reading一、 章节分析（Reading section ）（一） 综述本单元通过Debbie和Simon关于蜘蛛的对话，向我们介绍了蜘蛛的特性及对人类的贡献，从而阐明蜘蛛是人类的朋友而不是敌人这一主旨。本课的任务有两个：1 课文进行整体阅读。培养学生略读（获取大意）、扫读（整理有关信息）、细读（分析篇章结构，概括中心）等阅读能力。2 结合课文引导学生进一步思考人与自然的关系。2 （二）阅读目标1 知识目标学习课文中重点词、词组、句型和语法。2 能力目标提高学生的阅读理解能力和培养学生的阅读技巧。阅读准备（收集相关资料）、略读（获取大意）、扫读（整理有关信息）、细读（分析篇章结构，概括中心）等是高中学生必须具备的阅读技能。3 情感目标帮助学生对蜘蛛有更深入的认识。（三）教学方法采用任务型教学法组织教学，通过比较，讨论等具体活动，达到教学效果。（四）重点和难点1 词汇学习1) 核心词汇l shelterl viewl surviveel emergel expenditurel nill insecticidel elasticl artificiall propertyl nastyl disorder2) 拓展词汇l as a result ofl flea(Listening)l beetle(Listening)3) 词组和短语l be frightened ofl bullet-proofl get ones point二、 教学设计（Teaching Designs）教学内容教学实施建议教学资源参考Pre-reading 1 图片引入相应昆虫的名称。2 分辨蜘蛛与昆虫的区别。3 引入部分关于蜘蛛的词汇，如：silk, web, shelter, survive4 播放一段录像，用形容词描述蜘蛛。Discovery ChannelWhile-reading 这是本课的主体部分，也是老师要处理的重点，既要引导学生学习重点词汇和句型，又要提高学生的阅读理解能力，培养学生的阅读技巧。l Skimming 要求学生快速略读，获得课文的大概轮廓，能在有限的时间内运用skimming技巧，找到最基本的信息。l Scanning要求学生运用scanning 技巧，段落大意配对。搜索需要的信息。l Further understanding 经过以上两个基础环节后，进入课文深层次的理解，要求学生填表格，通过比较总结出spiders 和farmers在不同季节的行为；并理解蜘蛛的其他用途。l Consolidation and conclusion 以填空的形式总结。Post-reading Discussion这是课文的拓展部分，也是进行情感教育部分。设置情景对话：蜘蛛与你的对话，用上本文词汇。链接1说明：用ppt.展示一些昆虫的图片，引入话题。本部分建议采用任务型阅读教学方法。通过略读、扫读、细读等不同手段来提高学生的阅读理解能力，从而培养学生的阅读技巧。Step One Warming-up1. Show pictures of insects: grasshopper, mantis, dragon-fly, cockroach, scorpion, spiders 2. Then distinguish a spider from an insect.3. Vocabulary input: web, silk, cone-shaped, straw tent, survive, shelters4. Show a video about “Black Widow Spider”（见“蜘蛛”视频文件）5. Use adjectives to describe spidersMy view on spiders is that they are_. (nasty, frightening, poisonous, dreadful, fearful, dangerous, disgusting, horrible, interesting, mysterious, ugly, terrible, unusual)Step Two Task cycle-reading1 Skimming 1. What is the Friend or Enemy mentioned in the title?A spider.2. Whose friend is it?Its a friend of humans.3. And whose enemy?Its an enemy of insects.2 ScanningScan the passage and match the main idea with the relevant paragraphsP1-5 uses of spider silk P6-10 uses of spiders on pest controlP11-14 uses of spider poisonP15-17 introduction of the topicFrom the facts we may know spiders are useful creatures.3 Further understanding（通过第二部分的精读，领会蜘蛛对农民的帮助。）(1) Pest Control (P6-P10)SeasonSpidersFarmersautumn/Build shelters for spiders, which look like cone -shaped tents.Made of strawwintersurvive the winter /springEmerge healthy and hungrywhile insects are ready to attack farmers crops. Fill their empty stomachs.Their fields are protected. Farmers are happy.The expenditure on insecticide is nil.Sad: insects (attack-eat)Happy: farmers (crops-expenditure-insecticide)spiders (survive-shelters-emerge- fill)(2) Uses of spider silk (P11-P15)The properties of spider silk: strong, light, elasticUses of spider silk: in spacecraft, artificial organs like hearts, bullet-proof vests(3) Uses of spider poison (P16-17)treat brain disorders in humansFrom the facts we know spiders are harmless creatures.Step Three ConsolidationSummarySpiders are not insects. They survive winter by living in shelters built by farmers. In spring, they eat insects that attack farmers crops. They made webs with silk, which is strong, light, and elastic. Scientists plan to use spider silk in spacecraft, etc. Their poison can be used to treat brain disorder. Therefore, spiders are enemies of insects and friends of humans. Step Four Reflection - Post-readingGroup work: design a conversation between a farmer and a spider, using the key wordsl My views onl build sheltersl survive- emerge- filll protect-expenditure- insecticidel uses of spider silk/ poisonStep Five Homework1. Find more uses of spiders2. Writing: My Views on Spiders l 1. views on spiders.l 2. supporting factsl 3. conclusion（见课件：friend or enemy.ppt）客服唯一联系qq 1119139686 欢迎跟我们联系
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