4/4Unit12TheEarth第2課時教學設計【內容來源】上海教育出版社（2011年版）六上Module4Unit12【主題】Lookandread,Reviewthesounds【課時】第2課時一、教學目標(Teachingaims)1.通過Lookandread的短文閱讀，幫助學生拓展語言知識。2.通過對地球環保主題文章的反饋，引導學生對地球污染問題和解決方案展開深入討論。3.幫助學生復習本學期所學的語音。二、教學重難點(Teachingpointsanddifficulties)語音：（略）詞匯：sick,pickup三、教學準備(Teachingpreparation)課件、音頻（教師可以在優教平臺直接調用或下載）。四、教學過程(Teachingprocess)Pre-taskpreparations1.出示課題TheEarth,并將圖片貼在黑板上，用設問的方式復習上一課時的核心內容。T:Look,what’sthis?Ss:It’stheEarth.T:WhatarethedifferentpartsontheEarth?Ss:They’reforests,oceansandland.根據問題引出核心詞，可以讓學生將單詞拼寫在圖片旁邊，并作介紹。T：Here’stheEarth.Whocanintroduceittous?2.讓學生進一步復習上一課時關于保護地球的內容。T:Yesterday,wetalkedaboutsomeproblemsontheEarth.WhatshouldwedotoprotecttheEarth?學生兩人一組交流各自對地球、地球上的污染的認識，以及人類應采取什么行動來保護地球。While-taskprocedures1.Reviewthesounds是語音的總復習，可以讓學生朗讀單詞，感受這些語音的區別，也可以播放錄音，讓學生進行語音辨別練習?？梢栽O計一些語音練習幫助學生鞏固發音。（練習題型參見“參考資料”）2.教師總結學生上一個練習中對地球的介紹，引入新課。T:Asyoumentionedjustnow,theEarthwascleanbutnowsomepartsaredirty.WhatmakestheEarthdirty?WhydoestheEarthgetsick?Intoday’sclass,wearegoingtofindoutmore.Beforereadingthepassage,doyouknowwhytheEarthisgettingsick?在閱讀課文之前，先讓學生根據個人對本話題的認知談一談。3.引入Lookandread的內容，將班級分成兩大組，第一組看課文第一段，第二組看課文第二段，快速閱讀后交流閱讀感受。T：NowGroup1，canyoutelluswhatthefirstparagraphisabout?S1:It’saboutwhat’sontheEarth.T:(writedownthekeyquestionontheblackboard)What’sontheEarth?S2:Thereareoceans,forests,riversandlandontheEarth.Therearepeople,animalsandplantsonittoo.T:NowGroup2,canyoutelluswhatthesecondparagraphisabout?S3:It’saboutwhytheEarthgetssick.T:(writedownthekeyquestionontheblackboard)WhydoestheEarthgetsick?S4:Peoplethrowrubbishintoriversandoceans.S5:Peoplecutdowntoomanytrees.S6:Smokefromcarsandfactoriesmakestheairdirty.教師可以根據學生的回答板書核心詞，作為學生概括課文大意的提示。THEEARTHOceansriversforestslandWhat’sontheEarth?peopleanimalsplantsWhydoestheEarthgetsick?throwrubbishcutdowntreessmokefromcarsandfactoriesWhatdopeopledo?pickuprubbishplanttreesrecycleglassandpaperstopusingplasticbags4.播放課文第一、二段的多媒體動畫，讓學牛模仿錄音朗讀。然后學生按照板書嘗試對文章的前兩段進行歸納。T：FromthesetwoparagraphsweknowsomethingabouttheEarth.Lookattheblackboard.What’sthemainideaofthefirsttwoparagraphs?指導學生獨立閱讀第三段和第四段，并模仿板書自己設計核心問題和記錄核心詞。閱讀結束后，兩人一組相互問答，完成第三、四段的學習。S1:Whatarethethirdandfourthparagraphsabout?S2:They’reaboutwhatpeopledotokeeptheEarthcleanandhealthy.S1:Whatdopeopledo?S2:Peoplepickuprubbish,planttreeseveryyear,recycleglassandpaper,bringtheirownshoppingbagsandstopusingplasticbags.討論結束后，讓學生模仿第三、四段的錄音朗讀課文，并根據板書概述第三、四段的內容。Post-taskactivities學生通讀課文，根據板書概括課文大意，作為本節課的總結。2.引導學生關注地球污染和人們的行為之間的因果聯系，可以通過連線練習來完成。.WhytheEarthgetssickSmokefromcarsmakestheairdirty.Peoplethrowrubbishintoriversandoceans.Peoplecutdownsomanytrees.Peopleuseplasticbags.WhatpeopledoDrivecarslessoften.Pickuprubbish.Plantmoretrees.Stopusingplasticbags. 學生可以根據個人學力