the earth is becoming warmer教學設計

1、1TheEarthIsBecomingWarmer教學設計教學設計（選修6Unit4人教新課標）教學課題TheEarthIsBecomingWarmer（選修6Unit4人教新課標）課程類型reading課時一課時教材分析本節(jié)課是單元的閱讀課，教材以說明文的文體呈現(xiàn)，教師可在充分利用教材資源的基礎上，結(jié)合學生的實際情況設計教學活動，旨在幫助學生有效地掌握閱讀技巧，形成有效地學習方法和閱讀策略，同時了解說明文篇章結(jié)構(gòu)和寫作特點，為下一步進

2、行說明文的寫作教學做好準備。學情分析Thestudentsarefamiliarwiththetopic.Afteraboutayear’sEnglishstudytheyhavedevelopedsomebasicreadingskills.教學重難點1.Developthestudents’readingskills.2.Improvethestudents’readingspeed.3.Grasptheusefulwdsexpre

3、ssions.教學目標1.Knowledgeobjects知識目標:Tohelpstudentstousethelanguagepointsbyreadinglisteningspeakingwriting.2.Abilityobjects能力目標:Tohelpthestudentstoimprovetheirreadingability.3.Emotionobjects情感態(tài)度目標:Tohelpthestudentstoknowwel

4、ltheglobalwarmingraisetheirawarenessofsavingenergyprotectingtheenvironment教學方法situationalteachingmethodcooperativelearningmethodprogrammedteachingmethodtaskbasedassessmentteachingmethods.(導學自學互學助學測學)教學手段videopictures教學過程

5、設計教學步驟教師活動學生活動設計意圖Step1Leadin導學WhatcanwelearnafterwatchingthevideoWatchthevideothenanswerthequestions.Tointroducethetopic3Step5Summary助學HowhasglobalwarmingcomeaboutHumanactivityburningoffossilfuelsGreenhouseeffectgreenho

6、usegasesweneedthosegasesHugequantitiesofextracarbondioxideFrom1957to1997fromaround315partspermilliontoaround370partspermillionUndertheguidanceoftheteachertheSstrytosumupthecauseofglobalwarming.Totrainthestudents’abilityo

7、fsummarizing.Step6Discussion互學Askstudentstodiscuss:ShouldwedonothingaboutglobalwarmingDiscussthequestioningroupstrytowriteitdown.Todevelopthestudents’awarenessofcooperationarousetheiremotion.Step7Quiz測學AsktheSstofillinth

8、eblanks.重點句式重點句式1____________________theearthisbecomingwarmerthatitishumanactivitythathascausedthisglobalwarming_______________arombutnaturalphenomenon.毫無疑問，地球正變得更加暖和。全球變暖是人為的，而不是隨意的自然現(xiàn)象。2.Allscientists______________thev

9、iewthattheincreaseintheearth’stemperatureis_________theburningoffossilfuelslikecoal，naturalgasoiltoproduceenergy.所有的科學家都支持地球溫度升高是由于燃燒像煤、天然氣和石油等化石燃料來制造能量而引起的這種觀點。3.Itmeansthatmeheatenergy____________betrappedintheFillinth