北师大版高二选修8教案： Unit 22 综述.doc

unit 22 environmental protection 单元教学目标技能目标goals read an article on global warming and identify missing information in a text. talk about environmental issues in the world today. listen to and take notes from a lecture and a radio interview. write a report about the environment. revise reported speech and practice vocabulary relating to global warming, natural disasters and endangered animals.ii 目标语言功能句式1. justifying arguments.so that.thats why.i mean, basically.and i think, because of that.thats the reason why.one reason they are poor is.2. giving opinionswhat i dont understand is.whats really worrying .im not sure. i havent thought about it much.whats ridiculous is.thats a good question.what we should do is.词汇1 课标词汇 trap, ecology, botanical, consultant, brewery, reserve, principle, boycott, corrupt, conservation, consensus, beyond, relevant, refer, ray, bounce, pin, agriculture, coincidence, condemn, federal, reservation, sacrifice, advocate, recycle, substitute, threaten, pancake, hurricane, tortoise, mainland, hook, seize, behalf, typhoon, grand, scale, changeable, thunderstorm, rainfall, irrigation, arm, rough, quake, offshore, catastrophe, separation, means, construct, shabby, clay, brick, slip, slide, mountainous, howl, flee, potential, roll, plug, quilt, cushion, skyscraper, adopt, rail, warehouse, considerate, finance, allocate, politics, fragile, pest, sharpener, sharpen, valid, evolution, trunk, tusk, mature, carve, calculate, cube, cubic2 认读词汇greenhouse effect, endanger, claim, drought, species, leopard, crested ibis, alligator, extinct, habitat, tibetan antelope, tibet, fashionable, enforce, orangutan, landslide, tsunami, industrialisation, negative, soundproof, decibel3 词组a number of, beyond ones control, look ahead, in turn, lead to, take action, ahead of, apart from, answer for, call for an end to sth, or else, wrap up, on somebodys behalf, for good, carry off, all in all, result in, earn ones living, plug ones ears, all the best, sum up, as a matter of fact, break away from语法reporting.warned that. will cause.found that . is regulated.passive voice (iii)i hate being treated like a child.his work tends to be criticised.重点句子1. in the last few decades, scientists have reached consensus and reported that human beings are causing changes in the earths climate something previously seen as beyond our control. 2. nature is turning on us!3. a number of nations have already been in armed conflict over water, and reduced rainfall in the west of the us has resulted in huge forest fires.4. this catastrophe is still very fresh in the minds of people worldwide who have not yet got over their separation from loved ones lost in the tsunami.iii 教材分析与教材重组1. 教材分析本单元以环保为话题，介绍了人类与环境、动物与环境的关系。本单元通过读听说写系列活动使学生了解环境方面存在的问题及解决办法。通过课堂上的系列教学活动，使学生了解地球变暖、温室效应、濒危动物、自然灾害、环境污染、噪音污染等问题，在当今时代，日益恶化的环境告诫人们：环境保护事业与全人类生存休戚相关。本单元的教学旨在激发同学们的环保意识，号召人人为保护环境做出贡献，让人们永远生活在美好环境中。1.1 in this unit you will . 介绍了本单元的学习目标，让学生了解本单元的话题和内容，明确了学习方向。1.2 warmup 通过一系列的听说写活动，激发学生的兴趣，为本单元的学习奠定良好的基础。内容涉及环境方面存在的问题及拯救濒危动物的建议。1.3 lesson 1 global warming介绍了什么是地球变暖以及地球变暖对人类的影响。语法涉及reporting和passive voice (iii)。在学习课文之前要求学生就发展中国家还是发达国家对地球变暖负有更多的责任加以讨论，这些问题旨在调动学生学习的主动性，引导学生学会思考问题。在学习课文之前要求学生弄懂一些重点词的意思，减少阅读中的困难。通过课文的学习，学生们可以了解什么是地球变暖以及地球变暖对人类的影响。在此基础上引导学生对怎样减少温室效应进行讨论。 课文后附有词汇和语法练习题。练习题的设计还是围绕环境问题进行的。1.4 lesson 2 endangered species通过一系列的听说练习让学生了解不同濒危动物，并且就保护濒危动物问题提出建议。要求学生根据听力策略学会在听报告时记要点，学会表达自己的观点，能够使用恰当词汇辩论。1.5 lesson 3 natural disasters课文介绍了各种自然灾害。read to learn介绍了阅读策略:completing texts with sentence gaps, 要求学生根据这一策略完成课文内容。在通读课文的基础上，回答课后问题。vocabulary要求学生学习掌握一词多性。speaking部分要求学生对最近发生的自然灾害进行讨论，要求学生对怎样改善环境及怎样帮助受害者给出建议。1.6 communication workshop通过听一段电台采访录音，让学生了解噪音污染和控制噪音污染的措施。本课还介绍了报告的书写步骤和方法。通过听说写练习，学会用英语表达自己的观点。1.7 language awareness 7本课的教学目标是要求学生学习wrapped up时，学习体会被动语态的用法。此部分语言知识的学习充分体现了本套教材的特色在语言环境中学习语法，根据语言现象归纳总结被动语态的用法。使语法学习生动化，趣味化。1.8 culture corner 文章介绍世界自然基金会。世界自然基金会（wwf）是在全球享有盛誉的、最大的独立性非政府环境保护机构之一，在全世界拥有将近500万支持者和一个在90多个国家活跃着的网络。wwf的使命是遏止地球自然环境的恶化，创造人类与自然和谐相处的美好未来。1.9 bulletin board记述了历史上最严重的三次灾难。要求学生写出自己所知道的最严重的自然灾害。1.10 unit diary要求学生对本单元的学习情况做出总结，发现学习中存在问题，找出解决办法，提高学习效率。2. 教材重组2.1 将in this unit you will. ，warm-up和culture corner放在一起上一节“热身课”。让学生了解本单元的学习目标，了解一些自然灾害，了解一下世界自然基金会（wwf）。为本单元的课文学习打下基础。2.2 把lesson 1 global warming和后面的vocabulary放在一起上一节阅读课。2.3 把lesson 1 global warming中的grammar reporting和language power中的lesson 1 global warming整合在一起上一节“语法课”。2.4根据lesson 2 endangered species ex 1-8内容上一节“听说课”。2.5将lesson 2 endangered species ex 9-12和language power中的lesson 2 endangered species放在一起，上一节“综合课”。2.6将lesson 3 natural disasters和后面的read to learn放在一起上一节阅读课。2.7将lesson 3 natural disasters 后面的vocabulary、speaking和language power 中的lesson 3 natural disasters放在一起上一节词汇、语法课。2.8根据communication workshop中的writing和后面的talkback内容上一节写作课。2.9将communication work