英语微课教学设计VIP专享VIP免费

英语微课教学设计一．教材分析1.教学内容本单元的中心话题是“克隆”，学生通过讨论和阅读有关克隆的内容，了解克隆的含义、克隆的技术发展、克隆对人类带来的好处以及人类对克隆这一问题的争议。阅读部分介绍了植物与动物克隆的区别、多莉羊的诞生与死亡以及由此引发的争论。帮助学生进一步认识克隆的意义在于解决医学上的难题，为人类服务。1.教材处理本科结合教材的实际对教材内容、编排顺序等进行了调整、删除和补充，把阅读前、阅读中和阅读后三部分有机整和起来。(1)导入新颖，激发兴趣。“读前阶段”通过图片导入的形式，激活学生大脑中的图式。同时，结合标题预测，使学生对即将阅读的内容有一定的预测，激发阅读兴趣。(2)循序渐进、创意安排。“读中阶段”引导学生进行语篇的整体感知，了解课文的概况；培养学生同义转换及归纳概括的能力。(3)适度拓展、开发思维。“读后阶段”拓展学生的发散性思维，在训练学生阅读技能的基础上了解克隆这门生物技术以及有关的争议。二．teachinggoals（教学目标）1.targetlanguage（目标语言）a．importantwordsandexpressionsclone,commercial,producer,undertake,arbitrary,object,forbid,accumulate,castdown,objectto,themedia,infavourofb．importantsentences1)butatlastthedeterminationandpatienceofthescientistspaidoffin1996withabreakthrough---thecloningofdollythesheep.2)altogetherdollylivedsixandahalfyears,halfthelengthofthelifeoftheoriginalsheep.3)thefactthatsheseemedtodevelopnormallywasveryencouraging.4)thencamethedisturbingnewsthatdollyhadbecomeseriouslyill.2.abilitygoals（能力目标）enablethestudentstodescribecloning:whatistheadvantagesofcloning?whatistheproblemsordangersofcloning?whatisyouropinionofcloning?3.learningabilitygoals（学能目标）helpthestudentslearnhowtodescribecloning.三．teachingimportantpoints（教学重点）howtodescribecloning.四．teachingdifficult（教学难点）helpthestudentsanalyzethewritingtechniquesofthearticle.五．teachingmethods（教学方法）skimming,task-basedmethodanddebatemethod.六．teachingaids（教具准备）arecorder,aprojectorandsomeslides.teachingprocedures&wayssteplead-inⅰ[设计意图]导入部分由两个步骤组成：1.首先让学生观看有关克隆动物和植物的图片。通过图片，学生们立刻领悟了本课的主题，并带着兴趣开始观看。2.学生在体验中产生探究的兴趣后，为了启发学生思考，设计了四个问题，以激发学生的思维。teacher:inpairs,lookatthesepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman-made.thinkabouthowtheydiffer.student:ithinkthetwinsandastrawberryplantarenaturalclones;thedollysheepandgrowingnewplantsareman-made.afterseveralminutes,teacherasksomequestionsandletstudentsanswerthesequestions.teacher:1.dollythesheep.it’sthemostfamoussheepintheworld.doyouknowhowdollyisdifferentfromothersheep?student:shewasclonedwhiletheotherswerebornnaturally.itisthecopyofanothersheep.teacher:2.whatcanyouseeinthepicture?student:icanseeastrawberryplantproducingrunnersinanaturalformofcloning.teacher:3.whocutthestemofftheplant?student:agardener.andthegardenerisgoingtoputitintoapottoproduceanotherplant.heisactuallymakingacopyoftheplant.teacher:4.whatdoyouknowabouttwins?student:therearetwinsofthesamesexandthoseofdifferentsexes.thetwinshereareidenticalinsexandappearanceandaregoodexamplesofnaturalclones.theycarrythesamegeneticinformation.thefertilizedegghassplitintotwowhileinsidethemother,andsoproducedtwoidenticalhumanbabies.stepⅱpre-reading[设计意图]通过阅读文章标题，引导学生对课文内容进行预测，调动学生已有的背景知识，使其产生阅读的兴趣，快速进入阅读状态。然后让学生通过快速阅读来验证自己的预测，使自身处于一种主动认知的状态。...