人教版英语九年级下册教案Unit13SectionB3a-SelfCheck

教案 教学基本信息 学科英语学段初中年级九年级单元Unit13课题We,retryingtosavetheearth!"总^时数6课时SectionB3a-SelfCheck课型写作课"授^时间教学目标及教学重点、难点教学目标：Attheendoftheclass,thestudentswillbeableto:talkaboutWayStoprotecttheenvironment.learntopayattentiontoenvironmentalprotection.improvetheskillsofwriting.教学重点：Keyvocabulary:disappoint.Keysentences:Whichpartsneedtobeimproved?Whatorwhoiscausingtheseproblems?Givesuggestionsorpossiblewaystosolvetheproblems.Structureusedtodo/be....getworseandworse教学难点：Writealettertothecitymayorabouttheproblemandsuggestions. 教学过程（表格描述） 教学环节主要教学活动设置意图Step1Warm-up(PPT3-4)1.Haveafreetalk:Whatisthepictureabout?Whatdoyouthinkaboutit?Whatcausedtheproblems?2.Sumuptheproblemandthesuggestions.自由谈论图片，分析人物行动的原因，然后总结同学们提出的建议。引出3a。Step2Presentation(PPT5-6)1.Workon3a.Thinkabouttheenvironmentinyourtown/cityandcompletethechartbelow.Whichpartsofthetown/cityhaveanice完成3a的表格，并且写出原因。熟练地表达环境好坏的原因。environment?Whyaretheynice?Whichpartsneedtobeimproved?Why?2.Completethechartandreadthem.Step3Writing(PPT7-8)Workon3b.Writealettertothecitymayorabouttheproblemsandyoursuggestions.Showthefollowingexpressions:Inyourletter,describetheenvironmentalproblemsinyourtown/city.Whataretheproblems?Wherearethey?Whatorwhoiscausingtheseproblems?Then,givesuggestionsorpossiblewaystosolvetheproblems.Ithinkthat…Weshould/Could…ISuggeSt…Showthewritingmodel.Writeapassageabouttheexperience.运用3b所给的重点句子结构、写作指导，给市长写一封信，谈谈环境问题和你的建议。熟练运用本单元的句型写出该信。通过写作，培养学生的书面表达能力。Step4Showthemodels(PPT9-13)Showoneofthegoodpassagestootherstudents.Analyzesthegoodsentencesandcorrecttheerrors.写作过后，找出范文进行讲评。Step5SelfCheck(PPT14-20)Writedifferentformsofthewords.Thenaddmoretoeachgroup.Matcheachstatementwiththegrammarstructure.Writewaystocutdownonthesekindsofpollution.综合检测学生对本单元的词汇及语法的掌握。Step6Exercises(PPT21-30)Practicethelanguagepointsbydoingtheseexercises.通过单选、句型转换、首字母填空等形式练习所学的知识点，提高学生的阅读能力。Step7中考链接(PPT31)Practicethekeywordsandthetargetlanguages:beused为引导学生学习，本部分设计主要精选beused的用法作为中考例题。Step8Homework(PPT32)Reviseyourcomposition.PreviewthenewwordsandexpressionsinUnit14.本节课布置的作业是复习本单元写的作文，预习U14的单词短语。板书设计Unit13We'retryingtosavetheearth!SectionB(3a-SelfCheck)SampleDearsirormadam,Theenvironmentalpollutionisworseandworsetoday.Wecan,taffordtowaitanylongertotakeaction.Waterispollutedinsomecitiesandcountryside,wehavenocleanwatertodrink.Manytreesarebeingcutdown,someanim