江苏省新沂市第二中学高中英语《Unit2Welcometotheunit》教案新人教版必修5教学目标1.Developstudents’speakingabilitybyexpressingtheiropinionsinthediscussion.2.Studentsparticipateinadiscussiontofindoutwaystodiscusscommonproblemswiththeenvironment.重点improvetheiroralEnglish难点howtotraintheiroralEnglish教法及教具Listening,Discussing教学过程教学内容个案调整教师主导活动学生主体活动Step1WarmingupWhatdoestheword“environment”mean?Itistheplacewherepeople,animalsandplantslive.Whenwetalkabout“theenvironment”,whatwordswillcometoyourmind?Whatdoyouthinkofourenvironmenttoday?Canyougiveussomeexamplesaboutenvironmentalproblems?Step2TalkaboutthepicturesPicture1Howdoyoufeelwhenyouseepilesofrubbishlikethis?Inyourdailylife,howdopeopledealwitheverydayrubbish?Doyouthinkrubbishisabigproblemfortheenvironment?Picture2Supposeyoulivenexttothefactory,howdoyouthinkthesmokewillaffectyou?Comparedtotheeconomicbenefitsafactorycanbringtoyou,howimportantisenvironmentalprotection?Why?Picture3Whatcanyouseeinthepicture?Whydopeoplechopdownsomanytreeseveryyear?Whatcanhumanandtheenvironmentbenefitfromtrees?Whatwillhappenifwecontinuechoppingdownsomanytrees?Whatcanwedotopreventthisfromhappening?Picture4Itisreportedthateveryyearthelossescausedbyforestfiresamounttomillionsofdollars.Inyouropinion,whatmightbethereasonsfortheterribleforestfireinthepicture?Doyouthinktheforestplaysanimportantpartinbalancingnature?Step3DiscussionLookatthepicturesaboveanddiscusswhichproblemsarecausedbynatureandwhichonesarecausedbyman.Canyouthinkofothernaturedisastersthatdamagetheenvironment?Canyouthinkofotherwaysinwhichpeopledamagetheenvironment?Step4FurtherdiscussionWhydowehavesomanydifferentkindsofenvironmentalproblems?Aretheycausedbynatureorbyhumanbeingsourselves?Whatshouldwedonowtoprotecttheenvironment?Fromnowon,weshoulddoallwecouldtoprotectourworldnottobehurt.Weshouldsaveevenapennyoradropofwatertoprotectoursourcesbeingwasted.Weshouldnotspitandlittertokeepourenvironmentclean,andweshouldnotwasteachancetoprotectourselves.Step5HomeworkWriteashortpassageabouttheenvironmentalproblemsallthepeopleinourcityarefacingnowanalyzethecausesandgivesomepossiblesuggestionstoimprovetheenvironment.板书设计教学札记
