高中英语《unit4》词汇教案 新人教版必修3

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1、河北省抚宁县第六中学高中英语《unit4》词汇教案新人教版必修3设计要素设计内容教学内容分析Thisunitisconcernedwithhowhumanbeingsfirstevolvedontheearthandhowtheyunderstandtheuniversearoundthem.Theexplorationofspaceisexaminedthroughsciencefictionasnobodyhasyetvisiteda“blackhole”教学目标知识技能1GetSstolearntheusefulnewwordsa

2、ndexpressions:globe,violent,carbon,atmosphere,unlike,harmfuletc;2EnableSstoknowaboutthedevelopmentoftheearth.3过程方法1Task-basedteachingandlearning2Cooperationlearning3Discussion学习者特征分析本文是一篇科普类文章，文中有许多专有名词，如，两栖动物，水生有壳动物，爬行动物等。因此单词必须先巩固，同时学生可将英文所呈现的内容与生物知识相结合，这样可以使文章的脉络更加清晰。

3、教学分析教学重点Tograspthefollowingusefulimportantwordsandphrasesofthisunit.教学难点EnableSstounderstandthepassageandknowaboutthedevelopmentoftheearth.教学策略Discussionandparework教学资源1Textbook2Teachingreferencebook3Computer板书设计教学过程教学内容教学环节教师活动学生活动教学媒体使用预期效果Step1LeadinginStep2readingSte

4、p3ExplanationStep4ReadaloudStep5homeworkQuestions:Howmanyplanetsarethereinsolarsystem?Whatarethey?Leadstudentstoreadthenewwordsandexpressionsinthisunit.HaveSsreadthenewwordsandexpressionsinthisunit.HelpSsanalyzetheimportantwordsandexpressions.AskSstoreadthephrasesandlett

5、hempaymoreattentiontothepronunciations.Tellthemtodoexercisesintheexercisebook.AnswerReadCarefullyreadthenewwordsandexpressionsTakenotes.Readtheeverywordcorrectly.重点单词检测：1　n　系统；体系；制度2______________　n.大气层；气氛3_____________　prep.不同；不像4_____________n.链子；连锁；锁5_____________vi.&

6、vt.(使)浮动；(使)漂浮n.漂浮物6_____________n．球体；地球仪；地球7____________adj.猛烈的；激烈的；8._____________n.气候重点短语检测：1______________及时；终于2______________产生；分娩3______________阻止；制止4______________下蛋5____________轮到某人；接着6_____________感到高兴；感到振奋7_____________依赖，取决于8________________感到高兴;感到兴奋9_________

7、________既然10_________________爆发;突发11_________________密切注视;当心;提防重点单词﹠短语趁热打铁1.violentadj.＿＿＿＿＿__________n.猛烈，暴力(行为)__________adv.猛烈地Hisheartbeats__________Notafew__________sceneswerecutfromthefilmbeforeitcametoshow.2.harmfuladj.有害的归纳拓展：【对……有害】___________do…harm/doharmto　　_

8、__________domoreharmthangood__________________________adj.无害的，无恶意的Itisanicedog.Itwon’tdoyouany.A.illB.b