Unit 6 Earth first Developing ideas 教案-高中英语外研版（2019）必修第二册

Unit6EarthfirstDevelopingideas教学设计科目：英语课题：Developingideas课时：1课时教学目标与核心素养：知识目标：Studentscanlearnsomenewwords,phrasesandsentences.能力目标：Studentscanhaveafurtherunderstandingofthepassage.情感目标：Studentscanthinkindividuallyandlearncooperatively.教学重难点：教学重点：Howtolearnthenewwordsandsentences.教学难点：Howtomakestudentshaveabetterunderstandingofthepassage.课前准备：多媒体，黑板，粉笔教学过程：一、Pre-writing1.Greeting2.Leading-in教师活动：教师引导学生复习上节课的单词，重点讲解本节课的单词。教师引导学生思考如何写一篇关于环境保护的作文。学生活动：学生完成活动5.1.Whatisthepurposeoftheletter?ThepurposeofthisletteristocalloneveryonetotakepartintheClearYourPlatecampaign.2.Whatistheexistingproblem?Over30%oftheworld'sfoodiswasted,whilemanypeopleinpoorareasdonothaveenoughtoeat.3.WhataretheproposedactionsfromClass8?Donotordermorethanyouneedintheschoolcanteen;orderlessandtakeleftoverfoodhomewhendininginrestaurants;callonfamilymembersandfriendstotakepartinthecampaign.While-writing写作任务据报道，1990年,藏羚羊(Tibetanantelope)的数量大约为100万只，它们的数量一度急剧减少。我们采取了一系列措施对藏羚羊进行保护。假设你是李华，请给你的外国朋友Tom写一封信，介绍保护藏羚羊的措施，内容包括:1.设立自然保护区;2.禁止猎杀;3.提升公众意识。要求：1.词数80左右；2.可适当增加细节，以使行文连贯；3.开头和结尾已给出，不计人总词数。DearTom,_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yours,LiHua写作思路（一审、二定、三明确、四分段）(1)一审：确定写作体裁和主题体裁：应用文主题：保护藏羚羊的措施(2)二定：确定时态和人称（与体裁和主题息息相关）时态：一般过去时(叙述过去的情况)人称：以第三人称为主(3)三明确明确写作要点：说明写信的原因及描述问题→介绍保护藏羚羊的措施→期待回信(4)四分段（与写作要点息息相关）结合写作要点，正文部分适当分段关键词语：incredible,reduce,present,adopt,protect...from....,extinction,establish,reserve,contributeto,hunt,permission,oaccount(2)完成句子①你觉得不可思议吗?藏羚羊的数量从1990年的约100万只一度急剧减少。(reduce)DoyouthinkitincrediblethatthepopulationoftheTibetanantelopes____________fromabout1,000,000in1990?②因此，到采取一些方法保护藏羚羊免遭灭绝的时候了。(adopt,protect...from...,extinction)Thus,itwastimeto_______________________protecttheTibetanantelopes____________.③首先,建立了几个保护区真正地有助于野生动物的保护。(establish,reserve,contributeto)Aboveall,____________actually___________theprotectionofwildspecies.④此外，未经允许猎杀藏羚羊必须被禁止。(hunt,permission)What'smore,_____________theTibetanantelopes_____________mustbebanned.⑤最重要的是,我们把公众考虑在内了,这意味着我们采取措施提升了人们保护藏羚羊的意识。(oaccount,raisepeople'sawareness)Mostimportantly,we________________,whichmeantwetookmeasuresto________________,toprotectTibetanantelopes.Keys:①oncereducedsharply②adoptsomemethodsto,fromextinction③establishingseveralreserves,contributedto④hunting,withoutpermission⑤tookthepublicintoaccount,raisepeople'sawareness三、After-writing教师活动：邀请几位同学展示他们的作品。DearTom,DoyouthinkitincrediblethatthepopulationoftheTibetanantelopesoncereducedsharplyfromabout1,000,000in1990?Thus,itwastimetoadoptsomemethodstoprotecttheTibetanantelopesfromextinction.Aboveall,establishingseveralreservesactuallycontributedtotheprotectionofwildspecies.What'smore,huntingtheTibetanantelopeswithoutpermissionmustbebanned.Mostimportantly,wetookthepublicintoaccount,whichmeantwetookmeasurestoraisepeople'sawarenesstoprotectTib