Section B 第5课时(3a～3b)-教案-人教版九年级英语下册3页

SectionB第5课时（3a~3b）类别学习重点重点短语needto,environmentalproblems重点句式1.Whichpartsofthetown/cityhaveaniceenvironment?2.Givesuggestionsorpossiblewaystosolvetheproblems.课前预习译一译1.需要needto2.环境问题environmentalproblems背一背1.城镇/城市的哪些部分环境好？Whichpartsofthetown/cityhaveaniceenvironment?2.给出解决这些问题的建议或可能的方法。Givesuggestionsorpossiblewaystosolvetheproblems.新课导入Teacher:Theremustbesomeniceplaces,andtherearesomeplacesthatneedtobeimprovedinyourhometown.Describetheniceenvironmentandtheenvironmentalproblemsinyourhometown. 新课展示【完成教材3a~3b的教学任务】1.小组内互相交流自己家乡的环境，完成3a表格。2.结合3a记录的内容，以及3b的提示写一篇作文，介绍自己家乡的环境。写完后小组内互相交流纠错，借鉴好词好句，教师抽查点拨。典例参考DearSir/Madam,Environmentalproblemsarebecomingmoreandmoreseriousallovertheworld.Withthedevelopmentofthesociety,therearetoomanycarsonthestreets.Carshavemadetheairunhealthyforpeopletobreathe.Blacksmokefromfactoriespollutedtheairseriously.Factoriesalsoputwasteintotheriver.Nowmoreandmorepeoplehaverealizedtheseproblems.Ithinkthatgovernmentsshoulddeveloplawstostoppeoplefromdrivingcarseveryday.Isuggesteveryoneinthiscityshouldhelptocleanuptheriversandthestreets.Ihopetheproblemwillbesolvedandourcitywillbecomebetterandbetter.活学活练（D）Noisepollutioncan_______hearingloss.A.causetoB.beharmfultoC.begoodforD.leadto 布置作业：教师引导学生课后完成本课时对应练习，并预习下一课时内容。教学反思本课时由谈论自己家乡的环境入手，既活跃了课堂气氛，又有利于学生口语表达能力和写作能力的提升。教学过程中老师的疑问：教师点评和总结：