清镇市卫城中学高二年级英语教学设计课题名称第4单元第1课时Vocabulary科目英语年级高二班级高二（2、5）教学时间执教教师张燕课标要求课标要求学生在这个阶段能“在交际中逐步做到语音、语调自然、得体和流畅；根据语音辨别和书写不太熟悉的单词”这节课主要的任务就是训练学生能正确拼读出本单元的生词，并能根据读音拼写出单词，逐步训练他们建立起发音与拼写之间的联系，并帮助他们拓展词汇量学习者分析与教学环境分析学习者分析学生对词汇的掌握有了一定的基础。教学环境分析本单元词汇贴近学生生活实际，属于环境问题。教学目标1、知识与技能1.学生能够准确的读单词并能知道单词在上下文的确切含义.2.学生能够拼写一些重要的单词.3.根据上下文,学生能够了解关键词的正确形式并学会使用这些关键词.2、过程与方法学生自己拼读单词的发音，利用构词法、反义词、近义词以及同形异义词限量拓展词汇量。学生小组内纠错，互相检查学案要求拓展的词汇。学生班内纠错，给出正确答案。3、情感态度与价值观让学生在自主合作轻松的状态下记忆学习单词教学重难点重点Pronunciationandspelling难点Howtohelpstudentslearntousethenewwordsincompletesentences教学资源磁带、多媒体教学环节教师活动学生活动教学效果导入新课Step1Greetings.(Slide1)GreettheSsasusual.Step1Greetings.师生互动、探究新知Step2Pre-learning1.Scanthetextbelowforthesewordsandworkouttheirmeanings:environmentalist::line1,peoplewhoareconcernedwithprotectingtheenvironmentradiate:line22,sendoutinalldirectionsatmosphericconcentration:line35,theamountofsuchgasesintheatmosphererelease:line33,allowtocomeoutinsignificant::line43,toosmallorunimportanttoconsiderorworryaboutconsequence:line44,somethingthathappensasaresultofadirectactionorsetofconditionsStep3post-learningSummaryAllscientists1.________totheviewthatitishumanactivitythathascausedtheglobalwarming.Thisactivityisburningfossilfuels，toproduceenergy.Asaresult,anatural2.__________calledthe“greenhouseeffect”has3.____________.Withoutthisphenomenon，theearthwouldbeabout4._______coolerthanitis.So,weneedthosegases.However,theglobalStep2Pre-learningenvironmentalist::line1,peoplewhoareconcernedwithprotectingtheenvironmentradiate:line22,sendoutinalldirectionsatmosphericconcentration:line35,theamountofsuchgasesintheatmosphererelease:line33,allowtocomeoutinsignificant:line43,toosmallorunimportanttoconsiderorworryaboutconsequence:line44,somethingthathappensasaresultofadirectactionorsetofconditions.Step3post-learningSummaryAllscientists1.________totheviewthatitishumanactivitythathascausedtheglobalwarming.Thisactivityisburningfossilfuels，toproduceenergy.Asaresult,anatural2.__________calledthe“greenhouseeffect”has学会正确拼读单词巩固所学词汇temperaturewillrisewhenweaddhuge5.________ofextracarbondioxideintotheatmosphere.Weknowthatthelevelsofcarbondioxidehave6._______greatlyoverthelast100to150years.Theattitudeofscientiststowardsthisrise3.____________.Withoutthisphenomenon，theearthwouldbeabout4._______coolerthanitis.So,weneedthosegases.However,theglobaltemperaturewillrisewhenweaddhuge5.________ofextracarbondioxideintotheatmosphere.Weknowthatthelevelsofcarbondioxidehave6._______教学反思
