高中英语 unit4 第4课时 using language学案 新人教版选修6

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1、Unit4GlobalWarmingPeriod4UsingLanguageLearningaims:1.Knowwelltheglobalwarming2.Enablethestudentstotalkaboutdifferentsourcesofenergy.Importantpoint:Learningabouteffecttheglobalwarmingbringshumanbeing.Difficultpoint:Toimprovetheskillsofreading.使用说明及学法指导：

2、1.通过阅读课本P30，完成预习案。2.完成时间：30分钟。预习案PreviewingCaseTask1重点单词及短语翻译代表……一方______________提倡;主张_________承诺；交托___________贡献___________忍受______________________污染______________等等_____________只有________________有影响；很重要_______________________增长________________环境_____

3、___________随便的，不经心_____________使恢复_________________教育家_______________微波炉__________________吸收______________可回收材料________________________Task2Scanthefirste-mail,answerthetwoquestionsandgetthemainidea.1)Whoarethewritersoftheletter?________________________

4、__2)Whatisthepurposeofwritingtheletters?_____________________________3)Mainidea:Theletteriswrittenby__________________________________________________________________________________________________________________________________________Task3Scanthese

5、conde-mail,answerthetwoquestionsandgetthemainidea.1)Whoarethewritersoftheletter?__________________________2)Whatisthepurposeofwritingtheletters?_____________________________3)Mainidea:Theletteriswrittenby________________________________________________

6、__________________________________________________________________________________________Task4Readtheseconde-mailcarefullyandfillintheblanks.1)Turna(n)_________________offwhenyou’renotusingit.2)Putonmoreclothesinsteadofturningupthe__________.3)Walkor_

7、________insteadoftakingmotorvehicles.4)________cans,bottles,plasticsandnewspapers.5)Buythingsmadefrom____________________.6)Buyproductsthataremadetosave________.7)__________inyourgardenoryourschoolyard.8)Talkwithyourfamilyandfriendsabout_______________

8、.我的迷惑探究案ExploringCase探究一重点词汇1.onbehalfof代表……很荣幸在这儿代表我的学校演出。I’mgreatlyhonoredtoputonperformancehere__________________________________.2.makeadifference有影响；很重要锻炼对你的健康产生很大的影响。________________________________________________________________